Common use of Issuance and Terms of Equipment Notes Clause in Contracts

Issuance and Terms of Equipment Notes. The Equipment Notes shall be dated the date of issuance thereof, shall be issued in (a) separate Series consisting of Series AA Equipment Notes, Series A Equipment Notes and one or more Additional Series Equipment Notes (if issued) and (b) the maturities and principal amounts and shall bear interest at the applicable Debt Rates specified in Schedule I. On the Closing Date, each Series AA Equipment Note and Series A Equipment Note shall be issued to Subordination Agent on behalf of Pass Through Trustee for the applicable Pass Through Trust created under the Pass Through Trust Agreements referred to in Schedule II. Subject to compliance with the conditions set forth in Section 2.02 of the Participation Agreement and Section 8.01(c) or 8.01(d) of the Intercreditor Agreement, as applicable, Company shall have the option after the Closing Date, at any time and from time to time (i) to issue one or more Series of Additional Series Equipment Notes under this Indenture (including, for the avoidance of doubt, multiple issuances at the same or different times resulting in more than one Series of Additional Series Equipment Notes being outstanding at any time), (ii) to redeem all but not less than all of the Series A Equipment Notes (or all but not less than all of any Series of Additional Series Equipment Notes) pursuant to, and in accordance with, the provisions of Section 2.11(b) and to issue under this Indenture new Equipment Notes with the same Series designation as, but with terms that may be the same as or different from those of, the redeemed Equipment Notes, and (iii) following the payment in full at maturity or otherwise of all but not less than all of the Series A Equipment Notes (or all but not less than all of any Series of Additional Series Equipment Notes), to issue new Equipment Notes with the same Series designation as, but with terms that may be the same as or different from those of, such Equipment Notes that have been paid in full. If new Series A Equipment Notes or Additional Series Equipment Notes of any Series or new Additional Series Equipment Notes of any Series are issued after the Closing Date in accordance with the immediately preceding sentence, such Equipment Notes shall be dated the date of original issuance thereof and shall have such maturities, principal amounts and interest rate as specified in an amendment to this Indenture. The Equipment Notes shall be issued in registered form only. The Equipment Notes shall be issued in denominations of $1,000 and integral multiples thereof, except that one Equipment Note of each Series may be in an amount that is not an integral multiple of $1,000. For the avoidance of doubt, if Company shall issue new “Series A Equipment Notes” or “Additional Series Equipment Notes” of any Indenture and Security Agreement (2019-1 EETC) N976JT Series or new “Additional Series Equipment Note” of any Series, in each case under any Related Indenture, Company may, but shall not be required to, issue, as the case may be, new Series A Equipment Notes or Additional Series Equipment Notes of the same Series or new Additional Series Equipment Notes of the same Series, in each case under this Indenture. Each Equipment Note shall bear interest at the Debt Rate specified for the applicable Series (calculated on the basis of a year of 360 days comprised of twelve 30-day months), payable in arrears on each Payment Date on the unpaid principal amount thereof from time to time outstanding from the most recent Payment Date to which interest has been paid or duly provided for (or, if no interest has been so paid or provided for, from the date of issuance of such Equipment Note) until such principal amount is paid in full, as further provided in the form of Equipment Note set forth in Section 2.01. The principal amount of each Series AA Equipment Note and each Series A Equipment Note shall be payable in installments or in a single payment on the Payment Dates set forth in such Equipment Note, each such installment, if any, to be in an amount computed by multiplying the original principal amount of such Equipment Note by the corresponding percentage set forth in Schedule I hereto applicable to such Series, the applicable portion of which shall be attached as Schedule I to such Equipment Note, opposite the Payment Date on which such installment is due. Each Additional Series Equipment Note, if issued, shall be payable in installments or in a single payment as set forth in an amendment to this Indenture, and if payable in installments, such installments shall be calculated as set forth in the preceding sentence. Notwithstanding the foregoing, the final payment made under each Equipment Note shall be in an amount sufficient to discharge in full the unpaid principal amount and all accrued and unpaid interest on, and any other amounts due under, such Equipment Note. Each Equipment Note shall bear interest, payable on demand, at the Past Due Rate (and not at the Debt Rate) (calculated on the basis of a year of 360 days comprised of twelve 30-day months) on any principal amount and (to the extent permitted by applicable law) Make-Whole Amount, if any, interest and any other amounts payable thereunder not paid when due for any period during which the same is overdue, in each case for the period the same is overdue. Amounts shall be overdue under an Equipment Note if not paid in the manner provided therein or in this Indenture when due (whether at stated maturity, by acceleration or otherwise). Notwithstanding anything to the contrary contained herein, if any date on which a payment hereunder or under any Equipment Note becomes due and payable is not a Business Day, then such payment shall not be made on such scheduled date but shall be made on the next succeeding Business Day with the same force and effect as if made on such scheduled date, and if such payment is made on such next succeeding Business Day, no interest shall accrue on the amount of such payment from and after such scheduled date. Indenture and Security Agreement (2019-1 EETC) N976JT The Equipment Notes shall be executed on behalf of Company by the manual or facsimile signature of one of its authorized officers. Equipment Notes bearing the signatures of individuals who were at the time of execution the proper officers of Company shall bind Company, notwithstanding that such individuals or any of them have ceased to hold such offices prior to the authentication and delivery of such Equipment Notes or did not hold such offices at the respective dates of such Equipment Notes. No Equipment Note shall be secured by or entitled to any benefit under this Indenture or be valid or obligatory for any purposes unless there appears on such Equipment Note a certificate of authentication in the form provided herein executed by Loan Trustee by the manual signature of one of its authorized officers, and such certificate upon any Equipment Notes shall be conclusive evidence, and the only evidence, that such Equipment Note has been duly authenticated and delivered hereunder.

Issuance and Terms of Equipment Notes. The Equipment Notes shall be dated the date of issuance thereof, shall be issued in (a) separate Series consisting of Series AA Equipment Notes, Series A Equipment Notes and one or more Additional Series Equipment Notes (if issued) and (b) the maturities and principal amounts and shall bear interest at the applicable Debt Rates specified in Schedule I. On the Closing Date, each Series AA Equipment Note and Series A Equipment Note shall be issued to Subordination Agent on behalf of the Pass Through Trustee for the applicable Pass Through Trust created under the Pass Through Trust Agreements Agreement referred to in Schedule II. Subject to compliance with the conditions set forth in Section 2.02 of the Participation Agreement and Section 8.01(c) or 8.01(d) of the Intercreditor Agreement, as applicable, Company shall have the option after the Closing Date, at any time and from time to time (i) to issue one or more Series of Additional Series Equipment Notes under this Indenture (including, for the avoidance of doubt, multiple issuances at the same or different times resulting in more than one Series of Additional Series Equipment Notes being outstanding at any time), (ii) to redeem all but not less than all of the Series A Equipment Notes (or all but not less than all of any Series of Additional Series Equipment Notes) Notes pursuant to, and in accordance with, the provisions of Section ‎Section 2.11(b) and to issue under this Indenture new Equipment Notes with the same Series designation as, but with terms that may be the same as or different from those of, the redeemed Equipment Notes, and (iii) following the payment in full at maturity or otherwise of all but not less than all of the Series A Equipment Notes (or all but not less than all of any Series of Additional Series Equipment Notes), to issue new Equipment Notes with the same Series designation as, but with terms that may be the same as or different from those of, such Equipment Notes that have been paid in full. If new Series A Equipment Notes or Additional Series Equipment Notes of any Series or new Additional Series Equipment Notes of any Series are issued after the Closing Date in accordance with the immediately preceding sentence, such Equipment Notes shall be dated the date of original issuance thereof and shall have such maturities, principal amounts and interest rate as specified in an amendment to this Indenture; provided, however, that any new Equipment Notes that are not fungible for U.S. federal income tax purposes with existing Equipment Notes shall be issued with a separate CUSIP number. The Equipment Notes shall be issued in registered form only. The Equipment Notes shall be issued in denominations of $1,000 and integral multiples thereof, except that one Equipment Note of each Series may be in an amount that is not an integral multiple of $1,000. For the avoidance of doubt, if Company shall issue new “Series A Equipment Notes” or “Additional Series Equipment Notes” of any Indenture and Security Agreement (2019-1 EETC) N976JT Series or new “Additional Series Equipment Note” of any Seriesseries, in each case under any Related Indenture, Company may, but shall not be required to, issue, as the case may be, new Series A Equipment Notes or Additional Series Equipment Notes of the same Series or new Additional Series Equipment Notes of the same Series, in each case under this Indenture. Each Equipment Note shall bear interest at the Debt Rate specified for the applicable Series (calculated on the basis of a year of 360 days comprised of twelve 30-day months), payable in arrears on each Payment Date on the unpaid principal amount thereof from time to time outstanding from the most recent Payment Date to which interest has been paid or duly provided for (or, if no interest has been so paid or provided for, from the date of issuance of such Equipment Note) until such principal amount is paid in full, as further provided in the form of Equipment Note set forth in Section ‎Section 2.01. The principal amount of each Series AA Equipment Note and each Series A Equipment Note shall be payable in installments or in a single payment on the Payment Dates set forth in such Equipment Note, each such installment, if any, to be in an amount computed by multiplying the original principal amount of such Equipment Note by the corresponding percentage set forth in Schedule I hereto applicable to such Series, the applicable portion of which shall be attached as Schedule I to such Equipment Note, opposite the Payment Date on which such installment is due. Each Additional Series Equipment Note, if issued, shall be payable in installments or in a single payment as set forth in an amendment to this Indenture, and if payable in installments, such installments shall be calculated as set forth in the preceding sentence. Notwithstanding the foregoing, the final payment made under each Equipment Note shall be in an amount sufficient to discharge in full the unpaid principal amount and all accrued and unpaid interest on, and any other amounts due under, such Equipment Note. Each Equipment Note shall bear interest, payable on demand, at the Past Due Rate (and not at the Debt Rate) (calculated on the basis of a year of 360 days comprised of twelve 30-day months) on any principal amount and (to the extent permitted by applicable law) Make-Whole Amount, if any, interest and any other amounts payable thereunder not paid when due for any period during which the same is overdue, in each case for the period the same is overdue. Amounts shall be overdue under an Equipment Note if not paid in the manner provided therein or in this Indenture when due (whether at stated maturity, by acceleration or otherwise). Notwithstanding anything to the contrary contained herein, if any date on which a payment hereunder or under any Equipment Note becomes due and payable is not a Business Day, then such payment shall not be made on such scheduled date but shall be made on the next succeeding Business Day with the same force and effect as if made on such scheduled date, and if such payment is made on such next succeeding Business Day, no interest shall accrue on the amount of such payment from and after such scheduled date. Indenture and Security Agreement (2019-1 EETC) N976JT The Equipment Notes shall be executed on behalf of Company by the manual or facsimile signature of one of its authorized officers. Equipment Notes bearing the signatures of individuals who were at the time of execution the proper officers of Company shall bind Company, notwithstanding that such individuals or any of them have ceased to hold such offices prior to the authentication and delivery of such Equipment Notes or did not hold such offices at the respective dates of such Equipment Notes. No Equipment Note shall be secured by or entitled to any benefit under this Indenture or be valid or obligatory for any purposes unless there appears on such Equipment Note a certificate of authentication in the form provided herein executed by Loan Trustee by the manual signature of one of its authorized officers, and such certificate upon any Equipment Notes shall be conclusive evidence, and the only evidence, that such Equipment Note has been duly authenticated and delivered hereunder.

Issuance and Terms of Equipment Notes. The Equipment Notes shall be dated the date of issuance thereof, shall be issued in (a) separate Series consisting of Series AA Equipment Notes, Series A Equipment Notes, Series B Equipment Notes, Series C Equipment Notes and one or more Additional Series Equipment Notes (if issued) and (b) the maturities and principal amounts and shall bear interest at the applicable Debt Rates specified in Schedule I. On the Closing Datedate of original issuance thereof, each Series AA Equipment Note and Series A Equipment Note shall be issued to the Subordination Agent on behalf of each of the Pass Through Trustee Trustees for the applicable Pass Through Trust created under the Pass Through Trust Agreements referred to in Schedule II. Subject to compliance with the conditions set forth in Section 4(a)(v) of the Note Purchase Agreement, Section 2.02 of the Participation Agreement and Section 8.01(c) or 8.01(d) of the Intercreditor Agreement, as applicable, the Company shall have the option after the Closing Class C Issuance Date, at any time and from time to time (i) to issue one or more Series of Additional Series Equipment Notes under this Indenture (including, for the avoidance of doubt, multiple issuances at the same or different times resulting in more than one Series of Additional Series Equipment Notes being outstanding at any time), (ii) to redeem all but not less than all of the Series A Equipment Notes, all but not less than all of the Series B Equipment Notes or all but not less than all of the Series C Equipment Notes (or all but not less than all of any Series of Additional Series Equipment Notes) pursuant to, and in accordance with, the provisions of Section 2.11(b) and to issue under this Indenture new Equipment Notes with the same Series designation as, but with terms that may be the same as or different from those of, the redeemed Equipment Notes, and (iii) following the payment in full at maturity or otherwise of all but not less than all of the Series A Equipment Notes, all but not less than all of the Series B Equipment Notes or all but not less than all of the Series C Equipment Notes (or all but not less than all of any Series of Additional Series Equipment Notes), to issue new Equipment Notes with the same Series designation as, but with terms that may be the same as or different from those of, such Equipment Notes that have been paid in full. If new Series A Equipment Notes or Notes, new Series B Equipment Notes, new Series C Equipment Notes, Additional Series Equipment Notes of any Series or new Additional Series Equipment Notes of any Series are issued after the Closing Class C Issuance Date in accordance with the immediately preceding sentence, such Equipment Notes shall be dated the date of original issuance thereof and shall have such maturities, principal amounts and interest rate as specified in an amendment to this Indenture. The Equipment Notes shall Indenture and Security Agreement (Spirit 2017-1 EETC) [Reg. No.] Exhibit 4.13 be issued in registered form only. The Equipment Notes shall be issued in denominations of $1,000 and integral multiples thereof, except that one Equipment Note of each Series may be in an amount that is not an integral multiple of $1,000. For the avoidance of doubt, if the Company shall issue new “Series A Equipment Notes” or new “Series B Equipment Notes” or new “Series C Equipment Notes” or “Additional Series Equipment Notes” of any Indenture and Security Agreement (2019-1 EETC) N976JT Series or new “Additional Series Equipment Note” of any Series”, in each case under any Related Indenture, the Company may, but shall not be required to, issue, as the case may be, new Series A Equipment Notes or new Series B Equipment Notes or new Series C Equipment Notes or Additional Series Equipment Notes of the same Series or new Additional Series Equipment Notes of the same Series, in each case under this Indenture. Each Equipment Note shall bear interest at the Debt Rate specified for the applicable Series (calculated on the basis of a year of 360 days comprised of twelve 30-day months), payable in arrears on each Payment Date on the unpaid principal amount thereof from time to time outstanding from the most recent Payment Date to which interest has been paid or duly provided for (or, if no interest has been so paid or provided for, from the date of issuance of such Equipment Note) until such principal amount is paid in full, as further provided in the form of Equipment Note set forth in Section 2.01. The principal amount of each Series AA Equipment Note and each Series A Equipment Note shall be payable in installments or in a single payment on the Payment Dates set forth in such Equipment Note, each such installment, if any, to be in an amount computed by multiplying the original principal amount of such Equipment Note by the corresponding percentage set forth in Schedule I hereto applicable to such Series, the applicable portion of which shall be attached as Schedule I to such Equipment Note, opposite the Payment Date on which such installment is due. Each Additional Series Equipment Note, if issued, shall be payable in installments or in a single payment as set forth in an amendment to this Indenture, and if payable in installments, such installments shall be calculated as set forth in the preceding sentence. Notwithstanding the foregoing, the final payment made under each Equipment Note shall be in an amount sufficient to discharge in full the unpaid principal amount and all accrued and unpaid interest on, and any other amounts due under, such Equipment Note. Each Equipment Note shall bear interest, payable on demand, at the Past Due Rate (and not at the Debt Rate) (calculated on the basis of a year of 360 days comprised of twelve 30-day months) on any principal amount and (to the extent permitted by applicable law) Make-Whole Amount, if any, interest and any other amounts payable thereunder not paid when due for any period during which the same is overdue, in each case for the period the same is overdue. Amounts shall be overdue under an Equipment Note if not paid in the manner provided therein or in this Indenture when due (whether at stated maturity, by acceleration or otherwise). Notwithstanding anything to the contrary contained herein, if any date on which a payment hereunder or under any Equipment Note becomes due and payable is not a Business Day, then such payment shall not be made on such scheduled date but shall be made on the next succeeding Business Day with the same force and effect as if made on such scheduled date, and if such payment is made on such next succeeding Business Day, no interest shall accrue on the amount of such payment from and after such scheduled date. Indenture and Security Agreement (2019-1 EETC) N976JT The Equipment Notes shall be executed on behalf of Company by the manual or facsimile signature of one of its authorized officers. Equipment Notes bearing the signatures of individuals who were at the time of execution the proper officers of Company shall bind Company, notwithstanding that such individuals or any of them have ceased to hold such offices prior to the authentication and delivery of such Equipment Notes or did not hold such offices at the respective dates of such Equipment Notes. No Equipment Note shall be secured by or entitled to any benefit under this Indenture or be valid or obligatory for any purposes unless there appears on such Equipment Note a certificate of authentication in the form provided herein executed by Loan Trustee by the manual signature of one of its authorized officers, and such certificate upon any Equipment Notes shall be conclusive evidence, and the only evidence, that such Equipment Note has been duly authenticated and delivered hereunder.”

Issuance and Terms of Equipment Notes. The Equipment Notes shall be dated the date of issuance thereof, shall be issued in (a) separate Series consisting of Series AA A Equipment Notes, Series A B Equipment Notes and one or more Additional Series Equipment Notes (if issued) (if more than one series of Additional Series Equipment Notes are so issued whether at the same or different times, each such series shall have a different 16 To be inserted in installment Equipment Notes. 13 Indenture and Security Agreement (American Airlines 2021-1 EETC) [Reg. No.] designation such as, for example, “Series C” and “Series D”) and (b) the maturities and original principal amounts and shall bear interest at the applicable Debt Rates specified in Schedule I. I hereto. On the Closing Date, each Series AA A Equipment Note and Series A B Equipment Note shall be issued to the Subordination Agent on behalf of each of the Pass Through Trustee Trustees for the applicable Pass Through Trust created under the Pass Through Trust Agreements referred to in Schedule II. Subject to compliance with the conditions set forth in Section 4(a)(v) of the Note Purchase Agreement, Section 2.02 of the Participation Agreement and Section 8.01(c) or Section 8.01(d) of the Intercreditor Agreement, as applicable, the Company shall have the option after the Closing Date, at any time and from time to time (i) to issue one or more Series of Additional Series Equipment Notes under this Indenture (including, for the avoidance of doubt, multiple issuances at the same or different times resulting in more than one Series of Additional Series Equipment Notes being outstanding at any time), (ii) to redeem all but not less than all of the Series A B Equipment Notes (or all but not less than all of any Series of Additional Series Equipment Notes) pursuant to, and in accordance with, the provisions of Section 2.11(b) and to issue under this Indenture new Equipment Notes with the same Series designation as, but with terms that may be the same as or different from those of, the redeemed Equipment Notes, and (iii) at any time following the payment in full at maturity or otherwise of all but not less than all of the Series A B Equipment Notes (or all but not less than all of any Series of Additional Series Equipment Notes), to issue under this Indenture new Equipment Notes with the same Series designation as, but with terms that may be the same as or different from those of, such Equipment Notes that have been paid in full. If new Series A B Equipment Notes or Additional Series Equipment Notes of any Series or new Additional Series Equipment Notes of any Series are issued after the Closing Date in accordance with the immediately preceding sentence, such Equipment Notes shall be dated the date of original issuance thereof and shall have such maturities, principal amounts and interest rate as specified in an amendment to this Indenture. The Equipment Notes shall be issued in registered form only. The Equipment Notes shall be issued in denominations of $1,000 and integral multiples thereof, except that one Equipment Note of each Series may be in an amount that is not an integral multiple of $1,000. For the avoidance of doubt, if Company shall issue new “Series A B Equipment Notes” or “Additional Series Equipment Notes” of any Indenture and Security Agreement (2019-1 EETC) N976JT Series or new “Additional Series Equipment Note” of any Series, in each case under any Related Indenture, the Company may, but shall not be required to, issue, as the case may be, new Series A B Equipment Notes or Additional Series Equipment Notes of the same Series or new Additional Series Equipment Notes of the same Series, in each case under this Indenture. 14 Indenture and Security Agreement (American Airlines 2021-1 EETC) [Reg. No.] Each Equipment Note shall bear interest at the Debt Rate specified for the applicable Series (such Series, calculated on the basis of a year of 360 days comprised of twelve 30-day months), payable in arrears on each Payment Date on the unpaid principal amount thereof from time to time outstanding from the most recent Payment Date to which interest has been paid or duly provided for (or, if no interest has been so paid or provided for, from the date of issuance of such Equipment Note) until such principal amount is paid in full, as further provided in the form of Equipment Note set forth in Section 2.01. The principal amount of each Series AA A Equipment Note and each Series A B Equipment Note shall be payable in installments or in a single payment on the Payment Dates set forth in Schedule I to such Equipment Note, each such installment, if any, to be in an amount computed by multiplying the original principal amount of such Equipment Note by the corresponding percentage set forth in Schedule I hereto applicable to such Series, the applicable portion of which shall be attached as Schedule I to such Equipment Note, opposite the Payment Date on which such installment is due. Each Additional Series Equipment Note, if issued, shall be payable in installments or in a single payment as set forth in an amendment to this Indenture, and if payable in installments, such installments shall be calculated as set forth in the preceding sentence. Notwithstanding the foregoing, the final payment made under each Equipment Note shall be in an amount sufficient to discharge in full the unpaid principal amount and all accrued and unpaid interest on, and any other amounts due under, such Equipment Note. Each Equipment Note shall bear interest, payable on demand, at the Past Due Rate (and not at the Debt Rate) (calculated on the basis of a year of 360 days comprised of twelve 30-day months) on any principal amount and (to the extent permitted by applicable law) Make-Whole Amount, if any, interest and any other amounts payable thereunder not paid when due for any period during which the same is shall be overdue, in each case for the period the same is overdue. Amounts shall be overdue under an Equipment Note if not paid in the manner provided therein or in this Indenture when due (whether at stated maturity, by acceleration or otherwise). Notwithstanding anything to the contrary contained herein, if any date on which a payment hereunder or under any Equipment Note becomes due and payable is not a Business Day, then such payment shall not be made on such scheduled date but shall be made on the next succeeding Business Day with the same force and effect as if made on such scheduled date, and if such payment is made on such next succeeding Business Day, no interest shall accrue on the amount of such payment from and after such scheduled date. Indenture and Security Agreement (2019-1 EETC) N976JT The Equipment Notes shall be executed on behalf of the Company by the manual signature (or delivery of a facsimile signature or electronic .pdf copy of a signature) of one of its authorized officers. Equipment Notes bearing the signatures of individuals who were at the time of execution the proper officers of the Company shall bind the Company, notwithstanding that such individuals or any of them have ceased to hold such offices prior to the authentication and delivery of such Equipment Notes or did not hold such offices at the respective dates of such Equipment Notes. No Equipment Note shall be secured by or entitled to any benefit under this Indenture or be valid or obligatory for any purposes unless there appears on such Equipment Note a certificate of authentication in the form provided herein executed by the Loan Trustee by the manual signature of one of its authorized officers, and such certificate upon any Equipment Notes shall be conclusive evidence, and the only evidence, that such Equipment Note has been duly authenticated and delivered hereunder. 15 Indenture and Security Agreement (American Airlines 2021-1 EETC) [Reg. No.]

Issuance and Terms of Equipment Notes. The Equipment Notes shall be dated the date of issuance thereof, shall be issued in (a) separate Series consisting of Series AA Equipment Notes, Series A Equipment Notes and one or more Additional Series Equipment Notes (if issued) and (b) the maturities and principal amounts and shall bear interest at the applicable Debt Rates specified in Schedule I. On the Closing Date, each Series AA Equipment Note and Series A Equipment Note shall be issued to Subordination Agent on behalf of Pass Through Trustee for the applicable Pass Through Trust created under the Pass Through Trust Agreements referred to in Schedule II. Subject to compliance with the conditions set forth in Section 2.02 of the Participation Agreement and Section 8.01(c) or 8.01(d) of the Intercreditor Agreement, as applicable, Company shall have the option after the Closing Date, at any time and from time to time (i) to issue one or more Series of Additional Series Equipment Notes under this Indenture (including, for the avoidance of doubt, multiple issuances at the same or different times resulting in more than one Series of Additional Series Equipment Notes being outstanding at any time), (ii) to redeem all but not less than all of the Series A Equipment Notes (or all but not less than all of any Series of Additional Series Equipment Notes) pursuant to, and in accordance with, the provisions of Section 2.11(b) and to issue under this Indenture new Equipment Notes with the same Series designation as, but with terms that may be the same as or different from those of, the redeemed Equipment Notes, and (iii) following the payment in full at maturity or otherwise of all but not less than all of the Series A Equipment Notes (or all but not less than all of any Series of Additional Series Equipment Notes), to issue new Equipment Notes with the same Series designation as, but with terms that may be the same as or different from those of, such Equipment Notes that have been paid in full. If new Series A Equipment Notes or Additional Series Equipment Notes of any Series or new Additional Series Equipment Notes of any Series are issued after the Closing Date in accordance with the immediately preceding sentence, such Equipment Notes shall be dated the date of original issuance thereof and shall have such maturities, principal amounts and interest rate as specified in an amendment to this Indenture. The Equipment Notes shall be issued in registered form only. The Equipment Notes shall be issued in denominations of $1,000 and integral multiples thereof, except that one Equipment Note of each Series may be in an amount that is not an integral multiple of $1,000. For the avoidance of doubt, if Company shall issue new “Series A Equipment Notes” or “Additional Series Equipment Notes” of any Indenture and Security Agreement (2019-1 EETC) N976JT Series or new “Additional Series Equipment Note” of any Series”, in each case under any Related Indenture, Company may, but shall not be required to, issue, as the case may be, new Series A Equipment Notes or Additional Series Equipment Notes of the same Series or new Additional Series Equipment Notes of the same Series, in each case under this Indenture. N103DU Each Equipment Note shall bear interest at the Debt Rate specified for the applicable Series (calculated on the basis of a year of 360 days comprised of twelve 30-day months), payable in arrears on each Payment Date on the unpaid principal amount thereof from time to time outstanding from the most recent Payment Date to which interest has been paid or duly provided for (or, if no interest has been so paid or provided for, from the date of issuance of such Equipment Note) until such principal amount is paid in full, as further provided in the form of Equipment Note set forth in Section 2.01. The principal amount of each Series AA Equipment Note and each Series A Equipment Note shall be payable in installments or in a single payment on the Payment Dates set forth in such Equipment Note, each such installment, if any, to be in an amount computed by multiplying the original principal amount of such Equipment Note by the corresponding percentage set forth in Schedule I hereto applicable to such Series, the applicable portion of which shall be attached as Schedule I to such Equipment Note, opposite the Payment Date on which such installment is due. Each Additional Series Equipment Note, if issued, shall be payable in installments or in a single payment as set forth in an amendment to this Indenture, and if payable in installments, such installments shall be calculated as set forth in the preceding sentence. Notwithstanding the foregoing, the final payment made under each Equipment Note shall be in an amount sufficient to discharge in full the unpaid principal amount and all accrued and unpaid interest on, and any other amounts due under, such Equipment Note. Each Equipment Note shall bear interest, payable on demand, at the Past Due Rate (and not at the Debt Rate) (calculated on the basis of a year of 360 days comprised of twelve 30-day months) on any principal amount and (to the extent permitted by applicable law) Make-Whole Amount, if any, interest and any other amounts payable thereunder not paid when due for any period during which the same is overdue, in each case for the period the same is overdue. Amounts shall be overdue under an Equipment Note if not paid in the manner provided therein or in this Indenture when due (whether at stated maturity, by acceleration or otherwise). Notwithstanding anything to the contrary contained herein, if any date on which a payment hereunder or under any Equipment Note becomes due and payable is not a Business Day, then such payment shall not be made on such scheduled date but shall be made on the next succeeding Business Day with the same force and effect as if made on such scheduled date, and if such payment is made on such next succeeding Business Day, no interest shall accrue on the amount of such payment from and after such scheduled date. Indenture and Security Agreement (2019-1 EETC) N976JT The Equipment Notes shall be executed on behalf of Company by the manual or facsimile signature of one of its authorized officers. Equipment Notes bearing the signatures of individuals who were at the time of execution the proper officers of Company shall bind Company, notwithstanding that such individuals or any of them have ceased to hold such offices prior to the authentication and delivery of such Equipment Notes or did not hold such offices at the respective dates of such Equipment Notes. No Equipment Note shall be secured by or entitled to any benefit under this Indenture or be valid or obligatory for any purposes unless there appears on such Equipment Note a certificate of authentication in the form provided herein executed by Loan Trustee by the manual signature of one of its authorized officers, and such certificate upon any Equipment Notes shall be conclusive evidence, and the only evidence, that such Equipment Note has been duly authenticated and delivered hereunder.. Indenture and Security Agreement (2019-1 EETC) N103DU

Issuance and Terms of Equipment Notes. The Equipment Notes shall be dated the date of issuance thereof, shall be issued in (a) separate Series consisting of Series AA Equipment Notes, Series A Equipment Notes and one or more Additional Series Equipment Notes (if issued) and (b) the maturities and principal amounts and shall bear interest at the applicable Debt Rates specified in Schedule I. On the Closing Date, each Series AA Equipment Note and Series A Equipment Note shall be issued to Subordination Agent on behalf of Pass Through Trustee for the applicable Pass Through Trust created under the Pass Through Trust Agreements referred to in Schedule II. Subject to compliance with the conditions set forth in Section 2.02 of the Participation Agreement and Section 8.01(c) or 8.01(d) of the Intercreditor Agreement, as applicable, Company shall have the option after the Closing Date, at any time and from time to time (i) to issue one or more Series of Additional Series Equipment Notes under this Indenture (including, for the avoidance of doubt, multiple issuances at the same or different times resulting in more than one Series of Additional Series Equipment Notes being outstanding at any time), (ii) to redeem all but not less than all of the Series A Equipment Notes (or all but not less than all of any Series of Additional Series Equipment Notes) pursuant to, and in accordance with, the provisions of Section 2.11(b) and to issue under this Indenture new Equipment Notes with the same Series designation as, but with terms that may be the same as or different from those of, the redeemed Equipment Notes, and (iii) following the payment in full at maturity or otherwise of all but not less than all of the Series A Equipment Notes (or all but not less than all of any Series of Additional Series Equipment Notes), to issue new Equipment Notes with the same Series designation as, but with terms that may be the same as or different from those of, such Equipment Notes that have been paid in full. If new Series A Equipment Notes or Additional Series Equipment Notes of any Series or new Additional Series Equipment Notes of any Series are issued after the Closing Date in accordance with the immediately preceding sentence, such Equipment Notes shall be dated the date of original issuance thereof and shall have such maturities, principal amounts and interest rate as specified in an amendment to this Indenture. The Equipment Notes shall be issued in registered form only. The Equipment Notes shall be issued in denominations of $1,000 and integral multiples thereof, except that one Equipment Note of each Series may be in an amount that is not an integral multiple of $1,000. For the avoidance of doubt, if Company shall issue new “Series A Equipment Notes” or “Additional Series Equipment Notes” of any Indenture and Security Agreement (2019-1 EETC) N976JT Series or new “Additional Series Equipment Note” of any Series”, in each case under any Related Indenture, Company may, but shall not be required to, issue, as the case may be, new Series A Equipment Notes or Additional Series Equipment Notes of the same Series or new Additional Series Equipment Notes of the same Series, in each case under this Indenture. N510DN Each Equipment Note shall bear interest at the Debt Rate specified for the applicable Series (calculated on the basis of a year of 360 days comprised of twelve 30-day months), payable in arrears on each Payment Date on the unpaid principal amount thereof from time to time outstanding from the most recent Payment Date to which interest has been paid or duly provided for (or, if no interest has been so paid or provided for, from the date of issuance of such Equipment Note) until such principal amount is paid in full, as further provided in the form of Equipment Note set forth in Section 2.01. The principal amount of each Series AA Equipment Note and each Series A Equipment Note shall be payable in installments or in a single payment on the Payment Dates set forth in such Equipment Note, each such installment, if any, to be in an amount computed by multiplying the original principal amount of such Equipment Note by the corresponding percentage set forth in Schedule I hereto applicable to such Series, the applicable portion of which shall be attached as Schedule I to such Equipment Note, opposite the Payment Date on which such installment is due. Each Additional Series Equipment Note, if issued, shall be payable in installments or in a single payment as set forth in an amendment to this Indenture, and if payable in installments, such installments shall be calculated as set forth in the preceding sentence. Notwithstanding the foregoing, the final payment made under each Equipment Note shall be in an amount sufficient to discharge in full the unpaid principal amount and all accrued and unpaid interest on, and any other amounts due under, such Equipment Note. Each Equipment Note shall bear interest, payable on demand, at the Past Due Rate (and not at the Debt Rate) (calculated on the basis of a year of 360 days comprised of twelve 30-day months) on any principal amount and (to the extent permitted by applicable law) Make-Whole Amount, if any, interest and any other amounts payable thereunder not paid when due for any period during which the same is overdue, in each case for the period the same is overdue. Amounts shall be overdue under an Equipment Note if not paid in the manner provided therein or in this Indenture when due (whether at stated maturity, by acceleration or otherwise). Notwithstanding anything to the contrary contained herein, if any date on which a payment hereunder or under any Equipment Note becomes due and payable is not a Business Day, then such payment shall not be made on such scheduled date but shall be made on the next succeeding Business Day with the same force and effect as if made on such scheduled date, and if such payment is made on such next succeeding Business Day, no interest shall accrue on the amount of such payment from and after such scheduled date. Indenture and Security Agreement (2019-1 EETC) N976JT The Equipment Notes shall be executed on behalf of Company by the manual or facsimile signature of one of its authorized officers. Equipment Notes bearing the signatures of individuals who were at the time of execution the proper officers of Company shall bind Company, notwithstanding that such individuals or any of them have ceased to hold such offices prior to the authentication and delivery of such Equipment Notes or did not hold such offices at the respective dates of such Equipment Notes. No Equipment Note shall be secured by or entitled to any benefit under this Indenture or be valid or obligatory for any purposes unless there appears on such Equipment Note a certificate of authentication in the form provided herein executed by Loan Trustee by the manual signature of one of its authorized officers, and such certificate upon any Equipment Notes shall be conclusive evidence, and the only evidence, that such Equipment Note has been duly authenticated and delivered hereunder.. Indenture and Security Agreement (2019-1 EETC) N510DN

Issuance and Terms of Equipment Notes. The Equipment Notes shall be dated the date of issuance thereof, shall be issued in (a) separate Series consisting of Series AA A Equipment Notes, Series A B Equipment Notes and one or more Additional Series Equipment Notes (if issued) and (b) the maturities and principal amounts and shall bear interest at the applicable Debt Rates specified in Schedule I. On the Closing Date, each Series AA A Equipment Note and Series A B Equipment Note shall be issued to the Subordination Agent on behalf of the Pass Through Trustee for the applicable Pass Through Trust created under the Pass Through Trust Agreements referred to in Schedule II. Subject to compliance with the conditions set forth in Section 4(a)(v) of the Note Purchase Agreement, Section 2.02 of the Participation Agreement and Section 8.01(c) or 8.01(d) of the Intercreditor Agreement, as applicable, the Company shall have the option after the Closing Date, at any time and from time to time (i) to issue one or more Series of Additional Series Equipment Notes under this Indenture (including, for the avoidance of doubt, multiple issuances at the same or different times resulting in more than one Series of Additional Series Equipment Notes being outstanding at any time)Indenture, (ii) to redeem all but not less than all of the Series A B Equipment Notes (or all but not less than all of any Series of Additional Series Equipment Notes) pursuant to, and in accordance with, the provisions of Section 2.11(b) and to issue under this Indenture new Equipment Notes with the same Series designation as, but with terms that may be the same as or different from those of, the redeemed Equipment Notes, and (iii) following the payment in full at maturity or otherwise of all but not less than all of the Series A B Equipment Notes (or all but not less than all of any Series of Additional Series Equipment Notes), to issue new Equipment Notes with the same Series designation as, but with terms that may be the same as or different from those of, such Equipment Notes that have been paid in full. If new Series A B Equipment Notes or Additional Series Equipment Notes of any Series or new Additional Series Equipment Notes of any Series are issued after the Closing Date in accordance with the immediately preceding sentence, such Equipment Notes shall be dated the date of original issuance thereof and shall have such maturities, principal amounts and interest rate as specified in an amendment to this Indenture. The Equipment Notes shall be issued in registered form only. The Equipment Notes shall be issued in denominations of $1,000 and integral multiples thereof, except that one Equipment Note of each Series may be in an amount that is not an integral multiple of $1,000. For the avoidance of doubt, if the Company shall issue new “Series A B Equipment Notes” or “Additional Series Equipment Notes” of any Indenture and Security Agreement (2019-1 EETC) N976JT Series or new “Additional Series Equipment Note” of any Series”, in each case under any Related Indenture, the Company may, but shall not be 12 To be inserted in installment Equipment Notes. [Reg. No.] required to, issue, as the case may be, new Series A B Equipment Notes or Additional Series Equipment Notes of the same Series or new Additional Series Equipment Notes of the same Series, in each case under this Indenture. Each Equipment Note shall bear interest at the Debt Rate specified for the applicable Series (calculated on the basis of a year of 360 days comprised of twelve 30-day months), payable in arrears on each Payment Date on the unpaid principal amount thereof from time to time outstanding from the most recent Payment Date to which interest has been paid or duly provided for (or, if no interest has been so paid or provided for, from the date of issuance of such Equipment Note) until such principal amount is paid in full, as further provided in the form of Equipment Note set forth in Section 2.01. The principal amount of each Series AA A Equipment Note and each Series A B Equipment Note shall be payable in installments or in a single payment on the Payment Dates set forth in such Equipment Note, each such installment, if any, to be in an amount computed by multiplying the original principal amount of such Equipment Note by the corresponding percentage set forth in Schedule I hereto applicable to such Series, the applicable portion of which shall be attached as Schedule I to such Equipment Note, opposite the Payment Date on which such installment is due. Each Additional Series Equipment Note, if issued, shall be payable in installments or in a single payment as set forth in an amendment to this Indenture, and if payable in installments, such installments shall be calculated as set forth in the preceding sentence. Notwithstanding the foregoing, the final payment made under each Equipment Note shall be in an amount sufficient to discharge in full the unpaid principal amount and all accrued and unpaid interest on, and any other amounts due under, such Equipment Note. Each Equipment Note shall bear interest, payable on demand, at the Past Due Rate (and not at the Debt Rate) (calculated on the basis of a year of 360 days comprised of twelve 30-day months) on any principal amount and (to the extent permitted by applicable law) Make-Whole Amount, if any, interest and any other amounts payable thereunder not paid when due for any period during which the same is overdue, in each case for the period the same is overdue. Amounts shall be overdue under an Equipment Note if not paid in the manner provided therein or in this Indenture when due (whether at stated maturity, by acceleration or otherwise). Notwithstanding anything to the contrary contained herein, if any date on which a payment hereunder or under any Equipment Note becomes due and payable is not a Business Day, then such payment shall not be made on such scheduled date but shall be made on the next succeeding Business Day with the same force and effect as if made on such scheduled date, and if such payment is made on such next succeeding Business Day, no interest shall accrue on the amount of such payment from and after such scheduled date. Indenture and Security Agreement (2019-1 EETC) N976JT The Equipment Notes shall be executed on behalf of the Company by the manual or facsimile signature of one of its authorized officers. Equipment Notes bearing the signatures of individuals who were at the time of execution the proper officers of the [Reg. No.] Company shall bind the Company, notwithstanding that such individuals or any of them have ceased to hold such offices prior to the authentication and delivery of such Equipment Notes or did not hold such offices at the respective dates of such Equipment Notes. No Equipment Note shall be secured by or entitled to any benefit under this Indenture or be valid or obligatory for any purposes unless there appears on such Equipment Note a certificate of authentication in the form provided herein executed by the Loan Trustee by the manual signature of one of its authorized officers, and such certificate upon any Equipment Notes shall be conclusive evidence, and the only evidence, that such Equipment Note has been duly authenticated and delivered hereunder.

Issuance and Terms of Equipment Notes. The Equipment Notes shall be dated the date of issuance thereof, shall be issued in (a) separate Series consisting of Series AA Equipment Notes, Series A Equipment Notes and one or more Additional Series Equipment Notes (if issued) and (b) the maturities and principal amounts and shall bear interest at the applicable Debt Rates specified in Schedule I. On the Closing Date, each Series AA Equipment Note and Series A Equipment Note shall be issued to Subordination Agent on behalf of Pass Through Trustee for the applicable Pass Through Trust created under the Pass Through Trust Agreements referred to in Schedule II. Subject to compliance with the conditions set forth in Section 2.02 of the Participation Agreement and Section 8.01(c) or 8.01(d) of the Intercreditor Agreement, as applicable, Company shall have the option after the Closing Date, at any time and from time to time (i) to issue one or more Series of Additional Series Equipment Notes under this Indenture (including, for the avoidance of doubt, multiple issuances at the same or different times resulting in more than one Series of Additional Series Equipment Notes being outstanding at any time), (ii) to redeem all but not less than all of the Series A Equipment Notes (or all but not less than all of any Series of Additional Series Equipment Notes) pursuant to, and in accordance with, the provisions of Section 2.11(b) and to issue under this Indenture new 10 To be inserted in installment Equipment Notes. Indenture and Security Agreement (2019-1 EETC) N907DN Equipment Notes with the same Series designation as, but with terms that may be the same as or different from those of, the redeemed Equipment Notes, and (iii) following the payment in full at maturity or otherwise of all but not less than all of the Series A Equipment Notes (or all but not less than all of any Series of Additional Series Equipment Notes), to issue new Equipment Notes with the same Series designation as, but with terms that may be the same as or different from those of, such Equipment Notes that have been paid in full. If new Series A Equipment Notes or Additional Series Equipment Notes of any Series or new Additional Series Equipment Notes of any Series are issued after the Closing Date in accordance with the immediately preceding sentence, such Equipment Notes shall be dated the date of original issuance thereof and shall have such maturities, principal amounts and interest rate as specified in an amendment to this Indenture. The Equipment Notes shall be issued in registered form only. The Equipment Notes shall be issued in denominations of $1,000 and integral multiples thereof, except that one Equipment Note of each Series may be in an amount that is not an integral multiple of $1,000. For the avoidance of doubt, if Company shall issue new “Series A Equipment Notes” or “Additional Series Equipment Notes” of any Indenture and Security Agreement (2019-1 EETC) N976JT Series or new “Additional Series Equipment Note” of any Series”, in each case under any Related Indenture, Company may, but shall not be required to, issue, as the case may be, new Series A Equipment Notes or Additional Series Equipment Notes of the same Series or new Additional Series Equipment Notes of the same Series, in each case under this Indenture. Each Equipment Note shall bear interest at the Debt Rate specified for the applicable Series (calculated on the basis of a year of 360 days comprised of twelve 30-day months), payable in arrears on each Payment Date on the unpaid principal amount thereof from time to time outstanding from the most recent Payment Date to which interest has been paid or duly provided for (or, if no interest has been so paid or provided for, from the date of issuance of such Equipment Note) until such principal amount is paid in full, as further provided in the form of Equipment Note set forth in Section 2.01. The principal amount of each Series AA Equipment Note and each Series A Equipment Note shall be payable in installments or in a single payment on the Payment Dates set forth in such Equipment Note, each such installment, if any, to be in an amount computed by multiplying the original principal amount of such Equipment Note by the corresponding percentage set forth in Schedule I hereto applicable to such Series, the applicable portion of which shall be attached as Schedule I to such Equipment Note, opposite the Payment Date on which such installment is due. Each Additional Series Equipment Note, if issued, shall be payable in installments or in a single payment as set forth in an amendment to this Indenture, and if payable in installments, such installments shall be calculated as set forth in the preceding sentence. Notwithstanding the foregoing, the final payment made under each Equipment Note shall be in an amount sufficient to discharge in full the unpaid principal amount and all accrued and unpaid interest on, and any other amounts due under, such Equipment Note. Each Equipment Note shall bear interest, payable on demand, at the Past Due Rate (and not at the Debt Rate) (calculated on the basis of a year of 360 days comprised of twelve 30-day months) on any principal Indenture and Security Agreement (2019-1 EETC) N907DN amount and (to the extent permitted by applicable law) Make-Whole Amount, if any, interest and any other amounts payable thereunder not paid when due for any period during which the same is overdue, in each case for the period the same is overdue. Amounts shall be overdue under an Equipment Note if not paid in the manner provided therein or in this Indenture when due (whether at stated maturity, by acceleration or otherwise). Notwithstanding anything to the contrary contained herein, if any date on which a payment hereunder or under any Equipment Note becomes due and payable is not a Business Day, then such payment shall not be made on such scheduled date but shall be made on the next succeeding Business Day with the same force and effect as if made on such scheduled date, and if such payment is made on such next succeeding Business Day, no interest shall accrue on the amount of such payment from and after such scheduled date. Indenture and Security Agreement (2019-1 EETC) N976JT The Equipment Notes shall be executed on behalf of Company by the manual or facsimile signature of one of its authorized officers. Equipment Notes bearing the signatures of individuals who were at the time of execution the proper officers of Company shall bind Company, notwithstanding that such individuals or any of them have ceased to hold such offices prior to the authentication and delivery of such Equipment Notes or did not hold such offices at the respective dates of such Equipment Notes. No Equipment Note shall be secured by or entitled to any benefit under this Indenture or be valid or obligatory for any purposes unless there appears on such Equipment Note a certificate of authentication in the form provided herein executed by Loan Trustee by the manual signature of one of its authorized officers, and such certificate upon any Equipment Notes shall be conclusive evidence, and the only evidence, that such Equipment Note has been duly authenticated and delivered hereunder.

Issuance and Terms of Equipment Notes. The Equipment Notes shall be dated the date of issuance thereof, shall be issued in (a) separate Series consisting of Series AA Equipment Notes, Series A Equipment Notes, Series B Equipment Notes and one or more Additional Series Equipment Notes (if issued) (if more than one series of Additional Series Equipment Notes are so issued whether at the same or different 17 To be inserted in installment Equipment Notes. Indenture and Security Agreement (American Airlines 2019-1 Aircraft EETC) [Reg. No.] times, each such series shall have a different designation such as, for example, “Series C” and “Series D”) and (b) the maturities and original principal amounts and shall bear interest at the applicable Debt Rates specified in Schedule I. I hereto. On the Closing Date, each Series AA Equipment Note, Series A Equipment Note and Series A B Equipment Note shall be issued to the Subordination Agent on behalf of each of the Pass Through Trustee Trustees for the applicable Pass Through Trust created under the Pass Through Trust Agreements referred to in Schedule II. Subject to compliance with the conditions set forth in Section 4(a)(v) of the Note Purchase Agreement, Section 2.02 of the Participation Agreement and Section 8.01(c) or Section 8.01(d) of the Intercreditor Agreement, as applicable, the Company shall have the option after the Closing Date, at any time and from time to time (i) to issue one or more Series of Additional Series Equipment Notes under this Indenture (including, for the avoidance of doubt, multiple issuances at the same or different times resulting in more than one Series of Additional Series Equipment Notes being outstanding at any time), (ii) to redeem all but not less than all of the Series A Equipment Notes or all but not less than all of the Series B Equipment Notes (or all but not less than all of any Series of Additional Series Equipment Notes) pursuant to, and in accordance with, the provisions of Section 2.11(b) and to issue under this Indenture new Equipment Notes with the same Series designation as, but with terms that may be the same as or different from those of, the redeemed Equipment Notes, and (iii) at any time following the payment in full at maturity or otherwise of all but not less than all of the Series A Equipment Notes or all but not less than all of the Series B Equipment Notes (or all but not less than all of any Series of Additional Series Equipment Notes), to issue under this Indenture new Equipment Notes with the same Series designation as, but with terms that may be the same as or different from those of, such Equipment Notes that have been paid in full. If new Series A Equipment Notes or new Series B Equipment Notes or Additional Series Equipment Notes of any Series or new Additional Series Equipment Notes of any Series are issued after the Closing Date in accordance with the immediately preceding sentence, such Equipment Notes shall be dated the date of original issuance thereof and shall have such maturities, principal amounts and interest rate as specified in an amendment to this Indenture. The Equipment Notes shall be issued in registered form only. The Equipment Notes shall be issued in denominations of $1,000 and integral multiples thereof, except that one Equipment Note of each Series may be in an amount that is not an integral multiple of $1,000. For the avoidance of doubt, if Company shall issue new “Series A Equipment Notes” or new “Series B Equipment Notes” or “Additional Series Equipment Notes” of any Indenture and Security Agreement (2019-1 EETC) N976JT Series or new “Additional Series Equipment Note” of any Series, in each case under any Related Indenture, the Company may, but shall not be required to, issue, as the case may be, new Series A Equipment Notes or Additional Series Equipment Notes of the same Series or new Additional Series Equipment Notes of the same Series, in each case under this Indenture. Indenture and Security Agreement (American Airlines 2019-1 Aircraft EETC) [Reg. No.] Each Equipment Note shall bear interest at the Debt Rate specified for the applicable Series (such Series, calculated on the basis of a year of 360 days comprised of twelve 30-day months), payable in arrears on each Payment Date on the unpaid principal amount thereof from time to time outstanding from the most recent Payment Date to which interest has been paid or duly provided for (or, if no interest has been so paid or provided for, from the date of issuance of such Equipment Note) until such principal amount is paid in full, as further provided in the form of Equipment Note set forth in Section 2.01. The principal amount of each Series AA Equipment Note, each Series A Equipment Note and each Series A B Equipment Note shall be payable in installments or in a single payment on the Payment Dates set forth in Schedule I to such Equipment Note, each such installment, if any, to be in an amount computed by multiplying the original principal amount of such Equipment Note by the corresponding percentage set forth in Schedule I hereto applicable to such Series, the applicable portion of which shall be attached as Schedule I to such Equipment Note, opposite the Payment Date on which such installment is due. Each Additional Series Equipment Note, if issued, shall be payable in installments or in a single payment as set forth in an amendment to this Indenture, and if payable in installments, such installments shall be calculated as set forth in the preceding sentence. Notwithstanding the foregoing, the final payment made under each Equipment Note shall be in an amount sufficient to discharge in full the unpaid principal amount and all accrued and unpaid interest on, and any other amounts due under, such Equipment Note. Each Equipment Note shall bear interest, payable on demand, at the Past Due Rate (and not at the Debt Rate) (calculated on the basis of a year of 360 days comprised of twelve 30-day months) on any principal amount and (to the extent permitted by applicable law) Make-Whole Amount, if any, interest and any other amounts payable thereunder not paid when due for any period during which the same is shall be overdue, in each case for the period the same is overdue. Amounts shall be overdue under an Equipment Note if not paid in the manner provided therein or in this Indenture when due (whether at stated maturity, by acceleration or otherwise). Notwithstanding anything to the contrary contained herein, if any date on which a payment hereunder or under any Equipment Note becomes due and payable is not a Business Day, then such payment shall not be made on such scheduled date but shall be made on the next succeeding Business Day with the same force and effect as if made on such scheduled date, and if such payment is made on such next succeeding Business Day, no interest shall accrue on the amount of such payment from and after such scheduled date. Indenture and Security Agreement (2019-1 EETC) N976JT The Equipment Notes shall be executed on behalf of the Company by the manual signature (or delivery of a facsimile signature or electronic .pdf copy of a signature) of one of its authorized officers. Equipment Notes bearing the signatures of individuals who were at the time of execution the proper officers of the Company shall bind the Company, notwithstanding that such individuals or any of them have ceased to hold such offices prior to the authentication and delivery of such Equipment Notes or did not hold such Indenture and Security Agreement (American Airlines 2019-1 Aircraft EETC) [Reg. No.] offices at the respective dates of such Equipment Notes. No Equipment Note shall be secured by or entitled to any benefit under this Indenture or be valid or obligatory for any purposes unless there appears on such Equipment Note a certificate of authentication in the form provided herein executed by the Loan Trustee by the manual signature of one of its authorized officers, and such certificate upon any Equipment Notes shall be conclusive evidence, and the only evidence, that such Equipment Note has been duly authenticated and delivered hereunder.

Issuance and Terms of Equipment Notes. The Equipment Notes shall be dated the date of issuance thereof, shall be issued in (a) separate Series consisting of Series AA A Equipment Notes, Series A B Equipment Notes, Series C Equipment Notes and one or more Additional Series Equipment Notes (if issued) and (b) the maturities and principal amounts and shall bear interest at the applicable Debt Rates specified in Schedule I. On the Closing Datedate of original issuance thereof, each Series AA Equipment Note and Series A Equipment Note shall be issued to the Subordination Agent on behalf of each of the Pass Through Trustee Trustees for the applicable Pass Through Trust created under the Pass Through Trust Agreements referred to in Schedule II. Subject to compliance with the conditions set forth in Section 4(a)(v) of the Note Purchase Agreement, Section 2.02 of the Participation Agreement and Section 8.01(c) or 8.01(d) of the Intercreditor Agreement, as applicable, the Company shall have the option after the Closing Class C Issuance Date, at any time and from time to time (i) to issue one or more Series of Additional Series Equipment Notes under this Indenture (including, for the avoidance of doubt, multiple issuances at the same or different times resulting in more than one Series of Additional Series Equipment Notes being outstanding at any time)Indenture, (ii) to redeem all but not less than all of the Series A B Equipment Notes or all but not less than all of the Series C Equipment Notes (or all but not less than all of any Series of Additional Series Equipment Notes) pursuant to, and in accordance with, the provisions of Section 2.11(b) and to issue under this Indenture new Equipment Notes with the same Series designation as, but with terms that may be the same as or different from those of, the redeemed Equipment Notes, and (iii) following the payment in full at maturity or otherwise of all but not less than all of the Series A B Equipment Notes or all but not less than all of the Series C Equipment Notes (or all but not less than all of any Series of Additional Series Equipment Notes), to issue new Equipment Notes with the same Series designation as, but with terms that may be the same as or different from those of, such Equipment Notes that have been paid in full. If new Series A B Equipment Notes or Notes, new Series C Equipment Notes, Additional Series Equipment Notes of any Series or new Additional Series Equipment Notes of any Series are issued after the Closing Class C Issuance Date in accordance with the immediately preceding sentence, such Equipment Notes shall be dated the date of original issuance thereof and shall have such maturities, principal amounts and interest rate as specified in an amendment to this Indenture. The Equipment Notes shall be issued in registered form only. The Equipment Notes shall be issued in denominations of $1,000 and integral multiples thereof, except that one Equipment Note of each Series may be in an amount that is not an integral multiple of $1,000. For the avoidance of doubt, if the Company shall issue new “Series A B Equipment Notes” or new “Series C Equipment Notes” or “Additional Series Equipment Notes” of any Indenture and Security Agreement (2019-1 EETC) N976JT Series or new “Additional Series Equipment Note” of any Series”, in each case under any Related Indenture, the Company may, but shall not be required to, issue, as the case may be, new Series A B Equipment Notes or new Indenture and Security Agreement (Spirit 2015-1 EETC) Exhibit 4.4 Series C Equipment Notes or Additional Series Equipment Notes of the same Series or new Additional Series Equipment Notes of the same Series, in each case under this Indenture. Each Equipment Note shall bear interest at the Debt Rate specified for the applicable Series (calculated on the basis of a year of 360 days comprised of twelve 30-day months), payable in arrears on each Payment Date on the unpaid principal amount thereof from time to time outstanding from the most recent Payment Date to which interest has been paid or duly provided for (or, if no interest has been so paid or provided for, from the date of issuance of such Equipment Note) until such principal amount is paid in full, as further provided in the form of Equipment Note set forth in Section 2.01. The principal amount of each Series AA Equipment Note and each Series A Equipment Note shall be payable in installments or in a single payment on the Payment Dates set forth in such Equipment Note, each such installment, if any, to be in an amount computed by multiplying the original principal amount of such Equipment Note by the corresponding percentage set forth in Schedule I hereto applicable to such Series, the applicable portion of which shall be attached as Schedule I to such Equipment Note, opposite the Payment Date on which such installment is due. Each Additional Series Equipment Note, if issued, shall be payable in installments or in a single payment as set forth in an amendment to this Indenture, and if payable in installments, such installments shall be calculated as set forth in the preceding sentence. Notwithstanding the foregoing, the final payment made under each Equipment Note shall be in an amount sufficient to discharge in full the unpaid principal amount and all accrued and unpaid interest on, and any other amounts due under, such Equipment Note. Each Equipment Note shall bear interest, payable on demand, at the Past Due Rate (and not at the Debt Rate) (calculated on the basis of a year of 360 days comprised of twelve 30-day months) on any principal amount and (to the extent permitted by applicable law) Make-Whole Amount, if any, interest and any other amounts payable thereunder not paid when due for any period during which the same is overdue, in each case for the period the same is overdue. Amounts shall be overdue under an Equipment Note if not paid in the manner provided therein or in this Indenture when due (whether at stated maturity, by acceleration or otherwise). Notwithstanding anything to the contrary contained herein, if any date on which a payment hereunder or under any Equipment Note becomes due and payable is not a Business Day, then such payment shall not be made on such scheduled date but shall be made on the next succeeding Business Day with the same force and effect as if made on such scheduled date, and if such payment is made on such next succeeding Business Day, no interest shall accrue on the amount of such payment from and after such scheduled date. Indenture and Security Agreement (2019-1 EETC) N976JT The Equipment Notes shall be executed on behalf of Company by the manual or facsimile signature of one of its authorized officers. Equipment Notes bearing the signatures of individuals who were at the time of execution the proper officers of Company shall bind Company, notwithstanding that such individuals or any of them have ceased to hold such offices prior to the authentication and delivery of such Equipment Notes or did not hold such offices at the respective dates of such Equipment Notes. No Equipment Note shall be secured by or entitled to any benefit under this Indenture or be valid or obligatory for any purposes unless there appears on such Equipment Note a certificate of authentication in the form provided herein executed by Loan Trustee by the manual signature of one of its authorized officers, and such certificate upon any Equipment Notes shall be conclusive evidence, and the only evidence, that such Equipment Note has been duly authenticated and delivered hereunder.”

Issuance and Terms of Equipment Notes. The Equipment Notes shall be dated the date of issuance thereof, shall be issued in (a) separate Series consisting of Series AA Equipment Notes, Series A Equipment Notes and one or more Additional Series Equipment Notes (if issued) and (b) the maturities and principal amounts and shall bear interest at the applicable Debt Rates specified in Schedule I. On the Closing Date, each Series AA Equipment Note and Series A Equipment Note shall be issued to Subordination Agent on behalf of Pass Through Trustee for the applicable Pass Through Trust created under the Pass Through Trust Agreements referred to in Schedule II. Subject to compliance with the conditions set forth in Section 2.02 of the Participation Agreement and Section 8.01(c) or 8.01(d) of the Intercreditor Agreement, as applicable, Company shall have the option after the Closing Date, at any time and from time to time (i) to issue one or more Series of Additional Series Equipment Notes under this Indenture (including, for the avoidance of doubt, multiple issuances at the same or different times resulting in more than one Series of Additional Series Equipment Notes being outstanding at any time), (ii) to redeem all but not less than all of the Series A Equipment Notes (or all but not less than all of any Series of Additional Series Equipment Notes) pursuant to, and in accordance with, the provisions of Section 2.11(b) and to issue under this Indenture new Equipment Notes with the same Series designation as, but with terms that may be the same as or different from those of, the redeemed Equipment Notes, and (iii) following the payment in full at maturity or otherwise of all but not less than all of the Series A Equipment Notes (or all but not less than all of any Series of Additional Series Equipment Notes), to issue new Equipment Notes with the same Series designation as, but with terms that may be the same as or different from those of, such Equipment Notes that have been paid in full. If new Series A Equipment Notes or Additional Series Equipment Notes of any Series or new Additional Series Equipment Notes of any Series are issued after the Closing Date in accordance with the immediately preceding sentence, such Equipment Notes shall be dated the date of original issuance thereof and shall have such maturities, principal amounts and interest rate as specified in an amendment to this Indenture. The Equipment Notes shall be issued in registered form only. The Equipment Notes shall be issued in denominations of $1,000 and integral multiples thereof, except that one Equipment Note of each Series may be in an amount that is not an integral multiple of $1,000. For the avoidance of doubt, if Company shall issue new “Series A Equipment Notes” or “Additional Series Equipment Notes” of any Indenture and Security Agreement (2019-1 EETC) N976JT Series or new “Additional Series Equipment Note” of any Seriesseries, in each case under any Related Indenture, Company may, but shall not be required to, issue, as the case may be, new Series A Equipment Notes or Additional Series Equipment Notes of the same Series or new Additional Series Equipment Notes of the same Series, in each case under this Indenture. Indenture and Security Agreement (2020-1 EETC) N301DV Each Equipment Note shall bear interest at the Debt Rate specified for the applicable Series (calculated on the basis of a year of 360 days comprised of twelve 30-day months), payable in arrears on each Payment Date on the unpaid principal amount thereof from time to time outstanding from the most recent Payment Date to which interest has been paid or duly provided for (or, if no interest has been so paid or provided for, from the date of issuance of such Equipment Note) until such principal amount is paid in full, as further provided in the form of Equipment Note set forth in Section 2.01. The principal amount of each Series AA Equipment Note and each Series A Equipment Note shall be payable in installments or in a single payment on the Payment Dates set forth in such Equipment Note, each such installment, if any, to be in an amount computed by multiplying the original principal amount of such Equipment Note by the corresponding percentage set forth in Schedule I hereto applicable to such Series, the applicable portion of which shall be attached as Schedule I to such Equipment Note, opposite the Payment Date on which such installment is due. Each Additional Series Equipment Note, if issued, shall be payable in installments or in a single payment as set forth in an amendment to this Indenture, and if payable in installments, such installments shall be calculated as set forth in the preceding sentence. Notwithstanding the foregoing, the final payment made under each Equipment Note shall be in an amount sufficient to discharge in full the unpaid principal amount and all accrued and unpaid interest on, and any other amounts due under, such Equipment Note. Each Equipment Note shall bear interest, payable on demand, at the Past Due Rate (and not at the Debt Rate) (calculated on the basis of a year of 360 days comprised of twelve 30-day months) on any principal amount and (to the extent permitted by applicable law) Make-Whole Amount, if any, interest and any other amounts payable thereunder not paid when due for any period during which the same is overdue, in each case for the period the same is overdue. Amounts shall be overdue under an Equipment Note if not paid in the manner provided therein or in this Indenture when due (whether at stated maturity, by acceleration or otherwise). Notwithstanding anything to the contrary contained herein, if any date on which a payment hereunder or under any Equipment Note becomes due and payable is not a Business Day, then such payment shall not be made on such scheduled date but shall be made on the next succeeding Business Day with the same force and effect as if made on such scheduled date, and if such payment is made on such next succeeding Business Day, no interest shall accrue on the amount of such payment from and after such scheduled date. Indenture and Security Agreement (2019-1 EETC) N976JT The Equipment Notes shall be executed on behalf of Company by the manual or facsimile signature of one of its authorized officers. Equipment Notes bearing the signatures of individuals who were at the time of execution the proper officers of Company shall bind Company, notwithstanding that such individuals or any of them have ceased to hold such offices prior to the authentication and delivery of such Equipment Notes or did not hold such offices at the respective dates of such Equipment Notes. No Equipment Note shall be secured by or entitled to any benefit under this Indenture or be valid or obligatory for any purposes unless there appears on such Equipment Note a certificate of authentication in the form provided herein executed by Loan Trustee by the manual signature of one of its authorized officers, and such certificate upon any Equipment Notes shall be conclusive evidence, and the only evidence, that such Equipment Note has been duly authenticated and delivered hereunder.. Indenture and Security Agreement (2020-1 EETC) N301DV

Issuance and Terms of Equipment Notes. The Equipment Notes shall be dated the date of issuance thereof, shall be issued in (a) separate Series consisting of Series AA Equipment Notes, Series A Equipment Notes, Series B Equipment Notes and one or more Additional Series Equipment Notes (if issued) and (b) the maturities and principal amounts and shall bear interest at the applicable Debt Rates specified in Schedule I. On the Closing Date, each Series AA Equipment Notes, Series A Equipment Note and Series A B Equipment Note shall be issued to the Subordination Agent on behalf of the Pass Through Trustee for the applicable Pass Through Trust created under the Pass Through Trust Agreements referred to in Schedule II. Subject to compliance with the conditions set forth in Section 4(a)(v) of the Note Purchase Agreement, Section 2.02 of the Participation Agreement and Section 8.01(c) or 8.01(d) of the Intercreditor Agreement, as applicable, the Company shall have the option after the Closing Date, at any time and from time to time (i) to issue one or more Series of Additional Series Equipment Notes under this Indenture (including, for the avoidance of doubt, multiple issuances at the same or different times resulting in more than one Series of Additional Series Equipment Notes being outstanding at any time), (ii) to redeem all but not less than all of the Series A Equipment Notes or all but not less than all of the Series B Equipment Notes (or all but not less than all of any Series of Additional Series Equipment Notes) pursuant to, and in accordance with, the provisions of Section 2.11(b) and to issue under this Indenture new Equipment Notes with the same Series designation as, but with terms that may be the same as or different from those of, the redeemed Equipment Notes, and (iii) following the payment in full at maturity or otherwise of all but not less than all of the Series A Equipment Notes or all but not less than all of the Series B Equipment Notes (or all but not less than all of any Series of Additional Series Equipment Notes), to issue new Equipment Notes with the same Series designation as, but with terms that may be the same as or different from those of, such Equipment Notes that have been paid in full. If new Series A Equipment Notes, new Series B Equipment Notes or Additional Series 13 To be inserted in installment Equipment Notes. 12 Indenture and Security Agreement (Spirit 2017-1 EETC) [Reg. No.] Equipment Notes of any Series or new Additional Series Equipment Notes of any Series are issued after the Closing Date in accordance with the immediately preceding sentence, such Equipment Notes shall be dated the date of original issuance thereof and shall have such maturities, principal amounts and interest rate as specified in an amendment to this Indenture. The Equipment Notes shall be issued in registered form only. The Equipment Notes shall be issued in denominations of $1,000 and integral multiples thereof, except that one Equipment Note of each Series may be in an amount that is not an integral multiple of $1,000. For the avoidance of doubt, if the Company shall issue new “Series A Equipment Notes” or new “Series B Equipment Notes” or “Additional Series Equipment Notes” of any Indenture and Security Agreement (2019-1 EETC) N976JT Series or new “Additional Series Equipment Note” of any Series”, in each case under any Related Indenture, the Company may, but shall not be required to, issue, as the case may be, new Series A Equipment Notes or new Series B Equipment Notes or Additional Series Equipment Notes of the same Series or new Additional Series Equipment Notes of the same Series, in each case under this Indenture. Each Equipment Note shall bear interest at the Debt Rate specified for the applicable Series (calculated on the basis of a year of 360 days comprised of twelve 30-day months), payable in arrears on each Payment Date on the unpaid principal amount thereof from time to time outstanding from the most recent Payment Date to which interest has been paid or duly provided for (or, if no interest has been so paid or provided for, from the date of issuance of such Equipment Note) until such principal amount is paid in full, as further provided in the form of Equipment Note set forth in Section 2.01. The principal amount of each Series AA Equipment Note, each Series A Equipment Note and each Series A B Equipment Note shall be payable in installments or in a single payment on the Payment Dates set forth in such Equipment Note, each such installment, if any, to be in an amount computed by multiplying the original principal amount of such Equipment Note by the corresponding percentage set forth in Schedule I hereto applicable to such Series, the applicable portion of which shall be attached as Schedule I to such Equipment Note, opposite the Payment Date on which such installment is due. Each Additional Series Equipment Note, if issued, shall be payable in installments or in a single payment as set forth in an amendment to this Indenture, and if payable in installments, such installments shall be calculated as set forth in the preceding sentence. Notwithstanding the foregoing, the final payment made under each Equipment Note shall be in an amount sufficient to discharge in full the unpaid principal amount and all accrued and unpaid interest on, and any other amounts due under, such Equipment Note. Each Equipment Note shall bear interest, payable on demand, at the Past Due Rate (and not at the Debt Rate) (calculated on the basis of a year of 360 days comprised of twelve 30-day months) on any principal amount and (to the extent permitted by applicable law) Make-Whole Amount, if any, interest and any other amounts payable thereunder not paid when due for any period during which the same is overdue, in each case for the period the same is overdue. Amounts shall be overdue under an Equipment Note if not paid in the manner provided therein or in this Indenture when due (whether at stated maturity, by 13 Indenture and Security Agreement (Spirit 2017-1 EETC) [Reg. No.] acceleration or otherwise). Notwithstanding anything to the contrary contained herein, if any date on which a payment hereunder or under any Equipment Note becomes due and payable is not a Business Day, then such payment shall not be made on such scheduled date but shall be made on the next succeeding Business Day with the same force and effect as if made on such scheduled date, and if such payment is made on such next succeeding Business Day, no interest shall accrue on the amount of such payment from and after such scheduled date. Indenture and Security Agreement (2019-1 EETC) N976JT The Equipment Notes shall be executed on behalf of the Company by the manual or facsimile signature of one of its authorized officers. Equipment Notes bearing the signatures of individuals who were at the time of execution the proper officers of the Company shall bind the Company, notwithstanding that such individuals or any of them have ceased to hold such offices prior to the authentication and delivery of such Equipment Notes or did not hold such offices at the respective dates of such Equipment Notes. No Equipment Note shall be secured by or entitled to any benefit under this Indenture or be valid or obligatory for any purposes unless there appears on such Equipment Note a certificate of authentication in the form provided herein executed by the Loan Trustee by the manual signature of one of its authorized officers, and such certificate upon any Equipment Notes shall be conclusive evidence, and the only evidence, that such Equipment Note has been duly authenticated and delivered hereunder.

Issuance and Terms of Equipment Notes. The Equipment Notes shall be dated the date of issuance thereof, shall be issued in (a) separate Series consisting of Series AA Equipment Notes, Series A Equipment Notes and one or more Additional Series Equipment Notes (if issued) and (b) the maturities and principal amounts and shall bear interest at the applicable Debt Rates specified in Schedule I. On the Closing Date, each Series AA Equipment Note and Series A Equipment Note shall be issued to Subordination Agent on behalf of Pass Through Trustee for the applicable Pass Through Trust created under the Pass Through Trust Agreements referred to in Schedule II. Subject to compliance with the conditions set forth in Section 2.02 of the Participation Agreement and Section 8.01(c) or 8.01(d) of the Intercreditor Agreement, as applicable, Company shall have the option after the Closing Date, at any time and from time to time (i) to issue one or more Series of Additional Series Equipment Notes under this Indenture (including, for the avoidance of doubt, multiple issuances at the same or different times resulting in more than one Series of Additional Series Equipment Notes being outstanding at any time), (ii) to redeem all but not less than all of the Series A Equipment Notes (or all but not less than all of any Series of Additional Series Equipment Notes) pursuant to, and in accordance with, the provisions of Section 2.11(b) and to issue under this Indenture new Equipment Notes with the same Series designation as, but with terms that may be the same as or different from those of, the redeemed Equipment Notes, and (iii) following the payment in full at maturity or otherwise of all but not less than all of the Series A Equipment Notes (or all but not less than all of any Series of Additional Series Equipment Notes), to issue new Equipment Notes with the same Series designation as, but with terms that may be the same as or different from those of, such Equipment Notes that have been paid in full. If new Series A Equipment Notes or Additional Series Equipment Notes of any Series or new Additional Series Equipment Notes of any Series are issued after the Closing Date in accordance with the immediately preceding sentence, such Equipment Notes shall be dated the date of original issuance thereof and shall have such maturities, principal amounts and interest rate as specified in an amendment to this Indenture. The Equipment Notes shall be issued in registered form only. The Equipment Notes shall be issued in denominations of $1,000 and integral multiples thereof, except that one Equipment Note of each Series may be in an amount that is not an integral multiple of $1,000. For the avoidance of doubt, if Company shall issue new “Series A Equipment Notes” or “Additional Series Equipment Notes” of any Indenture and Security Agreement (2019-1 EETC) N976JT Series or new “Additional Series Equipment Note” of any Series”, in each case under any Related Indenture, Company may, but shall not be required to, issue, as the case may be, new Series A Equipment Notes or Additional Series Equipment Notes of the same Series or new Additional Series Equipment Notes of the same Series, in each case under this Indenture. N360DN Each Equipment Note shall bear interest at the Debt Rate specified for the applicable Series (calculated on the basis of a year of 360 days comprised of twelve 30-day months), payable in arrears on each Payment Date on the unpaid principal amount thereof from time to time outstanding from the most recent Payment Date to which interest has been paid or duly provided for (or, if no interest has been so paid or provided for, from the date of issuance of such Equipment Note) until such principal amount is paid in full, as further provided in the form of Equipment Note set forth in Section 2.01. The principal amount of each Series AA Equipment Note and each Series A Equipment Note shall be payable in installments or in a single payment on the Payment Dates set forth in such Equipment Note, each such installment, if any, to be in an amount computed by multiplying the original principal amount of such Equipment Note by the corresponding percentage set forth in Schedule I hereto applicable to such Series, the applicable portion of which shall be attached as Schedule I to such Equipment Note, opposite the Payment Date on which such installment is due. Each Additional Series Equipment Note, if issued, shall be payable in installments or in a single payment as set forth in an amendment to this Indenture, and if payable in installments, such installments shall be calculated as set forth in the preceding sentence. Notwithstanding the foregoing, the final payment made under each Equipment Note shall be in an amount sufficient to discharge in full the unpaid principal amount and all accrued and unpaid interest on, and any other amounts due under, such Equipment Note. Each Equipment Note shall bear interest, payable on demand, at the Past Due Rate (and not at the Debt Rate) (calculated on the basis of a year of 360 days comprised of twelve 30-day months) on any principal amount and (to the extent permitted by applicable law) Make-Whole Amount, if any, interest and any other amounts payable thereunder not paid when due for any period during which the same is overdue, in each case for the period the same is overdue. Amounts shall be overdue under an Equipment Note if not paid in the manner provided therein or in this Indenture when due (whether at stated maturity, by acceleration or otherwise). Notwithstanding anything to the contrary contained herein, if any date on which a payment hereunder or under any Equipment Note becomes due and payable is not a Business Day, then such payment shall not be made on such scheduled date but shall be made on the next succeeding Business Day with the same force and effect as if made on such scheduled date, and if such payment is made on such next succeeding Business Day, no interest shall accrue on the amount of such payment from and after such scheduled date. Indenture and Security Agreement (2019-1 EETC) N976JT The Equipment Notes shall be executed on behalf of Company by the manual or facsimile signature of one of its authorized officers. Equipment Notes bearing the signatures of individuals who were at the time of execution the proper officers of Company shall bind Company, notwithstanding that such individuals or any of them have ceased to hold such offices prior to the authentication and delivery of such Equipment Notes or did not hold such offices at the respective dates of such Equipment Notes. No Equipment Note shall be secured by or entitled to any benefit under this Indenture or be valid or obligatory for any purposes unless there appears on such Equipment Note a Indenture and Security Agreement (2019-1 EETC) N360DN certificate of authentication in the form provided herein executed by Loan Trustee by the manual signature of one of its authorized officers, and such certificate upon any Equipment Notes shall be conclusive evidence, and the only evidence, that such Equipment Note has been duly authenticated and delivered hereunder.

Issuance and Terms of Equipment Notes. The Equipment Notes shall be dated the date of issuance thereof, shall be issued in (a) separate Series consisting of Series AA Equipment Notes, Series A Equipment Notes, Series B Equipment Notes and one or more Additional Series Equipment Notes (if issued) and (b) the maturities and principal amounts and shall bear interest at the applicable Debt Rates specified in Schedule I. On the Closing Date, each Series AA Equipment Note, Series A Equipment Note and Series A B Equipment Note shall be issued to Subordination Agent on behalf of Pass Through Trustee for the applicable Pass Through Trust created under the Pass Through Trust Agreements referred to in Schedule II. Subject to compliance with the conditions set forth in Section 2.02 of the 11 To be inserted in installment Equipment Notes. Indenture and Security Agreement (2015-1 EETC) N801DZ Participation Agreement and Section 8.01(c) or 8.01(d) of the Intercreditor Agreement, as applicable, Company shall have the option after the Closing Date, at any time and from time to time (i) to issue one or more Series of Additional Series Equipment Notes under this Indenture (including, for the avoidance of doubt, multiple issuances at the same or different times resulting in more than one Series of Additional Series Equipment Notes being outstanding at any time)Indenture, (ii) to redeem all but not less than all of the Series A Equipment Notes or all but not less than all of the Series B Equipment Notes (or all but not less than all of any Series of Additional Series Equipment Notes) pursuant to, and in accordance with, the provisions of Section 2.11(b) and to issue under this Indenture new Equipment Notes with the same Series designation as, but with terms that may be the same as or different from those of, the redeemed Equipment Notes, and (iii) following the payment in full at maturity or otherwise of all but not less than all of the Series A Equipment Notes or all but not less than all of the Series B Equipment Notes (or all but not less than all of any Series of Additional Series Equipment Notes), to issue new Equipment Notes with the same Series designation as, but with terms that may be the same as or different from those of, such Equipment Notes that have been paid in full. If new Series A Equipment Notes, new Series B Equipment Notes or Additional Series Equipment Notes of any Series or new Additional Series Equipment Notes of any Series are issued after the Closing Date in accordance with the immediately preceding sentence, such Equipment Notes shall be dated the date of original issuance thereof and shall have such maturities, principal amounts and interest rate as specified in an amendment to this Indenture. The Equipment Notes shall be issued in registered form only. The Equipment Notes shall be issued in denominations of $1,000 and integral multiples thereof, except that one Equipment Note of each Series may be in an amount that is not an integral multiple of $1,000. For the avoidance of doubt, if Company shall issue new “Series A Equipment Notes” or new “Series B Equipment Notes” or “Additional Series Equipment Notes” of any Indenture and Security Agreement (2019-1 EETC) N976JT Series or new “Additional Series Equipment Note” of any Series”, in each case under any Related Indenture, Company may, but shall not be required to, issue, as the case may be, new Series A Equipment Notes or new Series B Equipment Notes or Additional Series Equipment Notes of the same Series or new Additional Series Equipment Notes of the same Series, in each case under this Indenture. Each Equipment Note shall bear interest at the Debt Rate specified for the applicable Series (calculated on the basis of a year of 360 days comprised of twelve 30-day months), payable in arrears on each Payment Date on the unpaid principal amount thereof from time to time outstanding from the most recent Payment Date to which interest has been paid or duly provided for (or, if no interest has been so paid or provided for, from the date of issuance of such Equipment Note) until such principal amount is paid in full, as further provided in the form of Equipment Note set forth in Section 2.01. The principal amount of each Series AA Equipment Note, each Series A Equipment Note and each Series A B Equipment Note shall be payable in installments or in a single payment on the Payment Dates set forth in such Equipment Note, each such installment, if any, to be in an amount computed by multiplying the original principal amount of such Equipment Note by the corresponding percentage set forth in Schedule I hereto applicable to such Series, the applicable portion of which shall be attached as Schedule I N801DZ to such Equipment Note, opposite the Payment Date on which such installment is due. Each Additional Series Equipment Note, if issued, shall be payable in installments or in a single payment as set forth in an amendment to this Indenture, and if payable in installments, such installments shall be calculated as set forth in the preceding sentence. Notwithstanding the foregoing, the final payment made under each Equipment Note shall be in an amount sufficient to discharge in full the unpaid principal amount and all accrued and unpaid interest on, and any other amounts due under, such Equipment Note. Each Equipment Note shall bear interest, payable on demand, at the Past Due Rate (and not at the Debt Rate) (calculated on the basis of a year of 360 days comprised of twelve 30-day months) on any principal amount and (to the extent permitted by applicable law) Make-Whole Amount, if any, interest and any other amounts payable thereunder not paid when due for any period during which the same is overdue, in each case for the period the same is overdue. Amounts shall be overdue under an Equipment Note if not paid in the manner provided therein or in this Indenture when due (whether at stated maturity, by acceleration or otherwise). Notwithstanding anything to the contrary contained herein, if any date on which a payment hereunder or under any Equipment Note becomes due and payable is not a Business Day, then such payment shall not be made on such scheduled date but shall be made on the next succeeding Business Day with the same force and effect as if made on such scheduled date, and if such payment is made on such next succeeding Business Day, no interest shall accrue on the amount of such payment from and after such scheduled date. Indenture and Security Agreement (2019-1 EETC) N976JT The Equipment Notes shall be executed on behalf of Company by the manual or facsimile signature of one of its authorized officers. Equipment Notes bearing the signatures of individuals who were at the time of execution the proper officers of Company shall bind Company, notwithstanding that such individuals or any of them have ceased to hold such offices prior to the authentication and delivery of such Equipment Notes or did not hold such offices at the respective dates of such Equipment Notes. No Equipment Note shall be secured by or entitled to any benefit under this Indenture or be valid or obligatory for any purposes unless there appears on such Equipment Note a certificate of authentication in the form provided herein executed by Loan Trustee by the manual signature of one of its authorized officers, and such certificate upon any Equipment Notes shall be conclusive evidence, and the only evidence, that such Equipment Note has been duly authenticated and delivered hereunder.

Issuance and Terms of Equipment Notes. The Equipment Notes shall be dated the date of issuance thereof, shall be issued in (a) separate Series consisting of Series AA A Equipment Notes, Series A B Equipment Notes and one or more Additional Series Equipment Notes (if issued) and (b) the maturities and principal amounts and shall bear interest at the applicable Debt Rates specified in Schedule I. On the Closing Date, each Series AA A Equipment Note and Series A B Equipment Note shall be issued to the Subordination Agent on behalf of the Pass Through Trustee for the applicable Pass Through Trust created under the Pass Through Trust Agreements referred to in Schedule II. Subject to compliance with the conditions set forth in Section 4(a)(v) of the Note Purchase Agreement, Section 2.02 of the Participation Agreement and Section 8.01(c) or 8.01(d) of the Intercreditor Agreement, as applicable, the Company shall have the option after the Closing Date, at any time and from time to time (i) to issue one or more Series of Additional Series Equipment Notes under this Indenture (including, for the avoidance of doubt, multiple issuances at the same or different times resulting in more than one Series of Additional Series Equipment Notes being outstanding at any time)Indenture, (ii) to redeem all but not less than all of the Series A B Equipment Notes (or all but not less than all of any Series of Additional Series Equipment Notes) pursuant to, and in accordance with, the provisions of Section 2.11(b) and to issue under this Indenture new Equipment Notes with the same Series designation as, but with terms that may be the same as or different from those of, the redeemed Equipment Notes, and (iii) following the payment in full at maturity or otherwise of all but not less than all of the Series A B Equipment Notes (or all but not less than all of any Series of Additional Series Equipment Notes), to issue new Equipment Notes with the same Series designation as, but with terms that may be the same as or different from those of, such Equipment Notes that have been paid in full. If new Series A B Equipment Notes or Additional Series Equipment Notes of any Series or new Additional Series Equipment Notes of any Series are issued after the Closing Date in accordance with the immediately preceding sentence, such Equipment Notes shall be dated the date of original issuance thereof and shall have such maturities, principal amounts and interest rate as specified in an amendment to this Indenture. The Equipment Notes shall be issued in registered form only. The Equipment Notes shall be issued in denominations of $1,000 and integral multiples thereof, except that one Equipment Note of each Series may be in an amount that is not an integral multiple of $1,000. For the avoidance of doubt, if the Company shall issue new “Series A B Equipment Notes” or “Additional Series Equipment Notes” of any Indenture and Security Agreement (2019-1 EETC) N976JT Series or new “Additional Series Equipment Note” of any Series”, in each case under any Related Indenture, the Company may, but shall not be 12 To be inserted in installment Equipment Notes. Indenture and Security Agreement (Spirit 2015-1 EETC) [Reg. No.] required to, issue, as the case may be, new Series A B Equipment Notes or Additional Series Equipment Notes of the same Series or new Additional Series Equipment Notes of the same Series, in each case under this Indenture. Each Equipment Note shall bear interest at the Debt Rate specified for the applicable Series (calculated on the basis of a year of 360 days comprised of twelve 30-day months), payable in arrears on each Payment Date on the unpaid principal amount thereof from time to time outstanding from the most recent Payment Date to which interest has been paid or duly provided for (or, if no interest has been so paid or provided for, from the date of issuance of such Equipment Note) until such principal amount is paid in full, as further provided in the form of Equipment Note set forth in Section 2.01. The principal amount of each Series AA A Equipment Note and each Series A B Equipment Note shall be payable in installments or in a single payment on the Payment Dates set forth in such Equipment Note, each such installment, if any, to be in an amount computed by multiplying the original principal amount of such Equipment Note by the corresponding percentage set forth in Schedule I hereto applicable to such Series, the applicable portion of which shall be attached as Schedule I to such Equipment Note, opposite the Payment Date on which such installment is due. Each Additional Series Equipment Note, if issued, shall be payable in installments or in a single payment as set forth in an amendment to this Indenture, and if payable in installments, such installments shall be calculated as set forth in the preceding sentence. Notwithstanding the foregoing, the final payment made under each Equipment Note shall be in an amount sufficient to discharge in full the unpaid principal amount and all accrued and unpaid interest on, and any other amounts due under, such Equipment Note. Each Equipment Note shall bear interest, payable on demand, at the Past Due Rate (and not at the Debt Rate) (calculated on the basis of a year of 360 days comprised of twelve 30-day months) on any principal amount and (to the extent permitted by applicable law) Make-Whole Amount, if any, interest and any other amounts payable thereunder not paid when due for any period during which the same is overdue, in each case for the period the same is overdue. Amounts shall be overdue under an Equipment Note if not paid in the manner provided therein or in this Indenture when due (whether at stated maturity, by acceleration or otherwise). Notwithstanding anything to the contrary contained herein, if any date on which a payment hereunder or under any Equipment Note becomes due and payable is not a Business Day, then such payment shall not be made on such scheduled date but shall be made on the next succeeding Business Day with the same force and effect as if made on such scheduled date, and if such payment is made on such next succeeding Business Day, no interest shall accrue on the amount of such payment from and after such scheduled date. Indenture and Security Agreement (2019-1 EETC) N976JT The Equipment Notes shall be executed on behalf of the Company by the manual or facsimile signature of one of its authorized officers. Equipment Notes bearing the signatures of individuals who were at the time of execution the proper officers of the Indenture and Security Agreement (Spirit 2015-1 EETC) [Reg. No.] Company shall bind the Company, notwithstanding that such individuals or any of them have ceased to hold such offices prior to the authentication and delivery of such Equipment Notes or did not hold such offices at the respective dates of such Equipment Notes. No Equipment Note shall be secured by or entitled to any benefit under this Indenture or be valid or obligatory for any purposes unless there appears on such Equipment Note a certificate of authentication in the form provided herein executed by the Loan Trustee by the manual signature of one of its authorized officers, and such certificate upon any Equipment Notes shall be conclusive evidence, and the only evidence, that such Equipment Note has been duly authenticated and delivered hereunder.

Issuance and Terms of Equipment Notes. The Equipment Notes shall be dated the date of issuance thereof, shall be issued in (a) separate Series consisting of Series AA Equipment Notes, Series A Equipment Notes and one or more Additional Series Equipment Notes (if issued) and (b) the maturities and principal amounts and shall bear interest at the applicable Debt Rates specified in Schedule I. On the Closing Date, each Series AA Equipment Note and Series A Equipment Note shall be issued to Subordination Agent on behalf of Pass Through Trustee for the applicable Pass Through Trust created under the Pass Through Trust Agreements referred to in Schedule II. Subject to compliance with the conditions set forth in Section 2.02 of the Participation Agreement and Section 8.01(c) or 8.01(d) of the Intercreditor Agreement, as applicable, Company shall have the option after the Closing Date, at any time and from time to time (i) to issue one or more Series of Additional Series Equipment Notes under this Indenture (including, for the avoidance of doubt, multiple issuances at the same or different times resulting in more than one Series of Additional Series Equipment Notes being outstanding at any time), (ii) to redeem all but not less than all of the Series A Equipment Notes (or all but not less than all of any Series of Additional Series Equipment Notes) pursuant to, and in accordance with, the provisions of Section 2.11(b) and to issue under this Indenture new Equipment Notes with the same Series designation as, but with terms that may be the same as or different from those of, the redeemed Equipment Notes, and (iii) following the payment in full at maturity or otherwise of all but not less than all of the Series A Equipment Notes (or all but not less than all of any Series of Additional Series Equipment Notes), to issue new Equipment Notes with the same Series designation as, but with terms that may be the same as or different from those of, such Equipment Notes that have been paid in full. If new Series A Equipment Notes or Additional Series Equipment Notes of any Series or new Additional Series Equipment Notes of any Series are issued after the Closing Date in accordance with the immediately preceding sentence, such Equipment Notes shall be dated the date of original issuance thereof and shall have such maturities, principal amounts and interest rate as specified in an amendment to this Indenture. The Equipment Notes shall be issued in registered form only. The Equipment Notes shall be issued in denominations of $1,000 and integral N826DN multiples thereof, except that one Equipment Note of each Series may be in an amount that is not an integral multiple of $1,000. For the avoidance of doubt, if Company shall issue new “Series A Equipment Notes” or “Additional Series Equipment Notes” of any Indenture and Security Agreement (2019-1 EETC) N976JT Series or new “Additional Series Equipment Note” of any Seriesseries, in each case under any Related Indenture, Company may, but shall not be required to, issue, as the case may be, new Series A Equipment Notes or Additional Series Equipment Notes of the same Series or new Additional Series Equipment Notes of the same Series, in each case under this Indenture. Each Equipment Note shall bear interest at the Debt Rate specified for the applicable Series (calculated on the basis of a year of 360 days comprised of twelve 30-day months), payable in arrears on each Payment Date on the unpaid principal amount thereof from time to time outstanding from the most recent Payment Date to which interest has been paid or duly provided for (or, if no interest has been so paid or provided for, from the date of issuance of such Equipment Note) until such principal amount is paid in full, as further provided in the form of Equipment Note set forth in Section 2.01. The principal amount of each Series AA Equipment Note and each Series A Equipment Note shall be payable in installments or in a single payment on the Payment Dates set forth in such Equipment Note, each such installment, if any, to be in an amount computed by multiplying the original principal amount of such Equipment Note by the corresponding percentage set forth in Schedule I hereto applicable to such Series, the applicable portion of which shall be attached as Schedule I to such Equipment Note, opposite the Payment Date on which such installment is due. Each Additional Series Equipment Note, if issued, shall be payable in installments or in a single payment as set forth in an amendment to this Indenture, and if payable in installments, such installments shall be calculated as set forth in the preceding sentence. Notwithstanding the foregoing, the final payment made under each Equipment Note shall be in an amount sufficient to discharge in full the unpaid principal amount and all accrued and unpaid interest on, and any other amounts due under, such Equipment Note. Each Equipment Note shall bear interest, payable on demand, at the Past Due Rate (and not at the Debt Rate) (calculated on the basis of a year of 360 days comprised of twelve 30-day months) on any principal amount and (to the extent permitted by applicable law) Make-Whole Amount, if any, interest and any other amounts payable thereunder not paid when due for any period during which the same is overdue, in each case for the period the same is overdue. Amounts shall be overdue under an Equipment Note if not paid in the manner provided therein or in this Indenture when due (whether at stated maturity, by acceleration or otherwise). Notwithstanding anything to the contrary contained herein, if any date on which a payment hereunder or under any Equipment Note becomes due and payable is not a Business Day, then such payment shall not be made on such scheduled date but shall be made on the next succeeding Business Day with the same force and effect as if made on such scheduled date, and if such payment is made on such next succeeding Business Day, no interest shall accrue on the amount of such payment from and after such scheduled date. Indenture and Security Agreement (20192020-1 EETC) N976JT N826DN The Equipment Notes shall be executed on behalf of Company by the manual or facsimile signature of one of its authorized officers. Equipment Notes bearing the signatures of individuals who were at the time of execution the proper officers of Company shall bind Company, notwithstanding that such individuals or any of them have ceased to hold such offices prior to the authentication and delivery of such Equipment Notes or did not hold such offices at the respective dates of such Equipment Notes. No Equipment Note shall be secured by or entitled to any benefit under this Indenture or be valid or obligatory for any purposes unless there appears on such Equipment Note a certificate of authentication in the form provided herein executed by Loan Trustee by the manual signature of one of its authorized officers, and such certificate upon any Equipment Notes shall be conclusive evidence, and the only evidence, that such Equipment Note has been duly authenticated and delivered hereunder.

Issuance and Terms of Equipment Notes. The Equipment Notes shall be dated the date of issuance thereof, shall be issued in (a) separate Series consisting of Series AA Equipment Notes, Series A Equipment Notes, Series B Equipment Notes and one or more Additional Series Equipment Notes (if issued) and (b) the maturities and principal amounts and shall bear interest at the applicable Debt Rates specified in Schedule I. On the Closing Datedate of original issuance thereof, each Series AA Equipment Note and Series A Equipment Note shall be issued to the Subordination Agent on behalf of each of the Pass Through Trustee Trustees for the applicable Pass Through Trust created under the Pass Through Trust Agreements referred to in Schedule II. Subject to compliance with the conditions set forth in Section 2.02 of the Participation Agreement and Section 8.01(c) or 8.01(d) of the Intercreditor Agreement, as applicable, Company shall have the option after the Closing Class B Issuance Date, at any time and from time to time (i) to issue one or more Series of Additional Series Equipment Notes under this Indenture (including, for the avoidance of doubt, multiple issuances at the same or different times resulting in more than one Series of Additional Series Equipment Notes being outstanding at Indenture and Security Agreement (JetBlue 2019-1 EETC) N976JT any time), (ii) to redeem all but not less than all of the Series A Equipment Notes or all but not less than all of the Series B Equipment Notes (or all but not less than all of any Series of Additional Series Equipment Notes) pursuant to, and in accordance with, the provisions of Section 2.11(b) and to issue under this Indenture new Equipment Notes with the same Series designation as, but with terms that may be the same as or different from those of, the redeemed Equipment Notes, and (iii) following the payment in full at maturity or otherwise of all but not less than all of the Series A Equipment Notes or all but not less than all of the Series B Equipment Notes (or all but not less than all of any Series of Additional Series Equipment Notes), to issue new Equipment Notes with the same Series designation as, but with terms that may be the same as or different from those of, such Equipment Notes that have been paid in full. If new Series A Equipment Notes or Notes, new Series B Equipment Notes, Additional Series Equipment Notes of any Series or new Additional Series Equipment Notes of any Series are issued after the Closing Class B Issuance Date in accordance with the immediately preceding sentence, such Equipment Notes shall be dated the date of original issuance thereof and shall have such maturities, principal amounts and interest rate as specified in an amendment to this Indenture. The Equipment Notes shall be issued in registered form only. The Equipment Notes shall be issued in denominations of $1,000 and integral multiples thereof, except that one Equipment Note of each Series may be in an amount that is not an integral multiple of $1,000. For the avoidance of doubt, if Company shall issue new “Series A Equipment Notes” or new “Series B Equipment Notes” or “Additional Series Equipment Notes” of any Indenture and Security Agreement (2019-1 EETC) N976JT Series or new “Additional Series Equipment NoteNotes” of any Series, in each case under any Related Indenture, Company may, but shall not be required to, issue, as the case may be, new Series A Equipment Notes or new Series B Equipment Notes or Additional Series Equipment Notes of the same Series or new Additional Series Equipment Notes of the same Series, in each case under this Indenture. Each Equipment Note shall bear interest at the Debt Rate specified for the applicable Series (calculated on the basis of a year of 360 days comprised of twelve 30-day months), payable in arrears on each Payment Date on the unpaid principal amount thereof from time to time outstanding from the most recent Payment Date to which interest has been paid or duly provided for (or, if no interest has been so paid or provided for, from the date of issuance of such Equipment Note) until such principal amount is paid in full, as further provided in the form of Equipment Note set forth in Section 2.01. The principal amount of each Series AA Equipment Note and each Series A Equipment Note shall be payable in installments or in a single payment on the Payment Dates set forth in such Equipment Note, each such installment, if any, to be in an amount computed by multiplying the original principal amount of such Equipment Note by the corresponding percentage set forth in Schedule I hereto applicable to such Series, the applicable portion of which shall be attached as Schedule I to such Equipment Note, opposite the Payment Date on which such installment is due. Each Additional Series Equipment Note, if issued, shall be payable in installments or in a single payment as set forth in an amendment to this Indenture, and if payable in installments, such installments shall be calculated as set forth in the preceding sentence. Notwithstanding the foregoing, the final payment made under each Equipment Note shall be in an amount sufficient to discharge in full the unpaid principal amount and all accrued and unpaid interest on, and any other amounts due under, such Equipment Note. Each Equipment Note shall bear interest, payable on demand, at the Past Due Rate (and not at the Debt Rate) (calculated on the basis of a year of 360 days comprised of twelve 30-day months) on any principal amount and (to the extent permitted by applicable law) Make-Whole Amount, if any, interest and any other amounts payable thereunder not paid when due for any period during which the same is overdue, in each case for the period the same is overdue. Amounts shall be overdue under an Equipment Note if not paid in the manner provided therein or in this Indenture when due (whether at stated maturity, by acceleration or otherwise). Notwithstanding anything to the contrary contained herein, if any date on which a payment hereunder or under any Equipment Note becomes due and payable is not a Business Day, then such payment shall not be made on such scheduled date but shall be made on the next succeeding Business Day with the same force and effect as if made on such scheduled date, and if such payment is made on such next succeeding Business Day, no interest shall accrue on the amount of such payment from and after such scheduled date. Indenture and Security Agreement (2019-1 EETC) N976JT The Equipment Notes shall be executed on behalf of Company by the manual or facsimile signature of one of its authorized officers. Equipment Notes bearing the signatures of individuals who were at the time of execution the proper officers of Company shall bind Company, notwithstanding that such individuals or any of them have ceased to hold such offices prior to the authentication and delivery of such Equipment Notes or did not hold such offices at the respective dates of such Equipment Notes. No Equipment Note shall be secured by or entitled to any benefit under this Indenture or be valid or obligatory for any purposes unless there appears on such Equipment Note a certificate of authentication in the form provided herein executed by Loan Trustee by the manual signature of one of its authorized officers, and such certificate upon any Equipment Notes shall be conclusive evidence, and the only evidence, that such Equipment Note has been duly authenticated and delivered hereunder.”

Issuance and Terms of Equipment Notes. The Equipment Notes shall be dated the date of issuance thereof, shall be issued in (a) separate Series consisting of Series AA Equipment Notes, Series A Equipment Notes, Series B Equipment Notes, Series C Equipment Notes and one or more Additional Series Equipment Notes (if issued) and (b) the maturities and principal amounts and shall bear interest at the applicable Debt Rates specified in Schedule I. On the Closing Date, each Series AA Equipment Note, Series A Equipment Note, Series B Equipment Note and Series A C Equipment Note shall be issued to the Subordination Agent on behalf of each of the Pass Through Trustee Trustees for the applicable Pass Through Trust created under the Pass Through Trust Agreements referred to in Schedule II. Subject to compliance with the conditions set forth in Section 4(a)(v) of the Note Purchase Agreement, Section 2.02 of the Participation Agreement and Section 8.01(c) or 8.01(d) of the Intercreditor Agreement, as applicable, the Company shall have the option after the Closing Date, at any time and from time to time (i) to issue one or more Series of Additional Series Equipment Notes under this Indenture (including, for the avoidance of doubt, multiple issuances at the same or different times resulting in more than one Series of Additional Series Equipment Notes being outstanding at any time), (ii) to redeem all but not less than all of the Series A Equipment Notes, all but not less than all of the Series B Equipment Notes or all but not less than all of the Series C Equipment Notes (or all but not less than all of any Series of Additional Series Equipment Notes) pursuant to, and in accordance with, the provisions of Section 2.11(b) and to issue under this Indenture new Equipment Notes with the same Series designation as, but with terms that may be the same as or different from those of, the redeemed Equipment Notes, and (iii) following the payment in full at maturity or otherwise of all but not less than all of the Series A Equipment Notes, all but not less than all of the Series B Equipment Notes or all but not less than all of the Series C Equipment Notes (or all but not less than all of any Series of Additional Series Equipment Notes), to issue new Equipment Notes with the same Series designation as, but with terms that may be the same as or different from those of, such Equipment Notes that have been paid in full. If new Series A Equipment Notes or Notes, new Series B Equipment Notes, new Series C Equipment 2To insert the relevant Closing Date. Indenture and Security Agreement (Spirit 2017-1 EETC) [Reg. No.] Exhibit 4.9 Note, Additional Series Equipment Notes of any Series or new Additional Series Equipment Notes of any Series are issued after the Closing Date in accordance with the immediately preceding sentence, such Equipment Notes shall be dated the date of original issuance thereof and shall have such maturities, principal amounts and interest rate as specified in an amendment to this Indenture. The Equipment Notes shall be issued in registered form only. The Equipment Notes shall be issued in denominations of $1,000 and integral multiples thereof, except that one Equipment Note of each Series may be in an amount that is not an integral multiple of $1,000. For the avoidance of doubt, if the Company shall issue new “Series A Equipment Notes” or new “Series B Equipment Notes” or new “Series C Equipment Notes” or “Additional Series Equipment Notes” of any Indenture and Security Agreement (2019-1 EETC) N976JT Series or new “Additional Series Equipment Note” of any Series”, in each case under any Related Indenture, the Company may, but shall not be required to, issue, as the case may be, new Series A Equipment Notes or new Series B Equipment Notes or new Series C Equipment Notes or Additional Series Equipment Notes of the same Series or new Additional Series Equipment Notes of the same Series, in each case under this Indenture. Each Equipment Note shall bear interest at the Debt Rate specified for the applicable Series (calculated on the basis of a year of 360 days comprised of twelve 30-day months), payable in arrears on each Payment Date on the unpaid principal amount thereof from time to time outstanding from the most recent Payment Date to which interest has been paid or duly provided for (or, if no interest has been so paid or provided for, from the date of issuance of such Equipment Note) until such principal amount is paid in full, as further provided in the form of Equipment Note set forth in Section 2.01. The principal amount of each Series AA Equipment Note, each Series A Equipment Note, each Series B Equipment Note and each Series A C Equipment Note shall be payable in installments or in a single payment on the Payment Dates set forth in such Equipment Note, each such installment, if any, to be in an amount computed by multiplying the original principal amount of such Equipment Note by the corresponding percentage set forth in Schedule I hereto applicable to such Series, the applicable portion of which shall be attached as Schedule I to such Equipment Note, opposite the Payment Date on which such installment is due. Each Additional Series Equipment Note, if issued, shall be payable in installments or in a single payment as set forth in an amendment to this Indenture, and if payable in installments, such installments shall be calculated as set forth in the preceding sentence. Notwithstanding the foregoing, the final payment made under each Equipment Note shall be in an amount sufficient to discharge in full the unpaid principal amount and all accrued and unpaid interest on, and any other amounts due under, such Equipment Note. Each Equipment Note shall bear interest, payable on demand, at the Past Due Rate (and not at the Debt Rate) (calculated on the basis of a year of 360 days comprised of twelve 30-day months) on any principal amount and (to the extent permitted by applicable law) Make-Whole Amount, if any, interest and any other amounts payable thereunder not paid when due for any period during which the same is overdue, in each case for the period the same is overdue. Amounts shall be overdue Indenture and Security Agreement (Spirit 2017-1 EETC) [Reg. No.] Exhibit 4.9 under an Equipment Note if not paid in the manner provided therein or in this Indenture when due (whether at stated maturity, by acceleration or otherwise). Notwithstanding anything to the contrary contained herein, if any date on which a payment hereunder or under any Equipment Note becomes due and payable is not a Business Day, then such payment shall not be made on such scheduled date but shall be made on the next succeeding Business Day with the same force and effect as if made on such scheduled date, and if such payment is made on such next succeeding Business Day, no interest shall accrue on the amount of such payment from and after such scheduled date. Indenture and Security Agreement (2019-1 EETC) N976JT The Equipment Notes shall be executed on behalf of the Company by the manual or facsimile signature of one of its authorized officers. Equipment Notes bearing the signatures of individuals who were at the time of execution the proper officers of the Company shall bind the Company, notwithstanding that such individuals or any of them have ceased to hold such offices prior to the authentication and delivery of such Equipment Notes or did not hold such offices at the respective dates of such Equipment Notes. No Equipment Note shall be secured by or entitled to any benefit under this Indenture or be valid or obligatory for any purposes unless there appears on such Equipment Note a certificate of authentication in the form provided herein executed by the Loan Trustee by the manual signature of one of its authorized officers, and such certificate upon any Equipment Notes shall be conclusive evidence, and the only evidence, that such Equipment Note has been duly authenticated and delivered hereunder.