Cabin. At a pressure altitude of [*CTR*] the guaranteed A-weighted Sound Pressure Level (SPL) and the Speech Interference Level (SIL) shall be as follows: Guarantee [*CTR*] SPL [dB(A)] [*CTR*] SIL [dB] [*CTR*] [*CTR*] SPL [dB(A)] [*CTR*] SIL [dB] [*CTR*] Noise levels shall be measured at a height of [*CTR*] above the passenger compartment floor on the aisle center lines in the passenger seated area.
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Cabin. At a pressure altitude of [*CTR***] the guaranteed A-weighted Sound Pressure Level (SPL) and the Speech Interference Level (SIL) shall be as follows: Guarantee [*CTR***] SPL [dB(A)] [*CTR***] SIL [dB] [*CTR***] [*CTR***] SPL [dB(A)] [*CTR***] SIL [dB] [*CTR***] Noise levels shall be measured at a height of [*CTR***] above the passenger compartment floor on the aisle center lines in the passenger seated area.
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Cabin. At a pressure altitude of [*CTR*] ], the guaranteed A-weighted Sound Pressure Level (SPL) and the Speech Interference Level (SIL) shall be as follows: Guarantee [*CTR*] SPL [dB(A)] [*CTR*] SIL [dB] [*CTR*] [*CTR*] SPL [dB(A)] [*CTR*] SIL [dB] [*CTR*] Noise levels shall be measured at a height of [*CTR*] above the passenger compartment floor on the aisle center lines in the passenger seated area.
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Cabin. At a pressure altitude of [*CTR*] the guaranteed A-weighted Sound Pressure Level (SPL) and the Speech Interference Level (SIL) shall be as follows: Guarantee [*CTR*] SPL [dB(A)] [*CTR*] SIL [dB] [*CTR*] [*CTR*] SPL [dB(A)] [*CTR*] SIL [dB] [*CTR*] Noise levels shall be measured at a height of [*CTR*] above the passenger compartment floor on the aisle center lines in the passenger seated area.
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