Common use of Cabin Clause in Contracts

Cabin. At a pressure altitude of ** and a true Mach number of ** in straight and level flight in still air under ISA conditions, the guaranteed A-weighted Sound Pressure Level (SPL) and the Speech Interference Level (SIL) shall be as follows: Front 40% of passenger seated area SPL [dB(A)] * * SIL [dB] * * Remaining 60 % of passenger seated area SPL [dB(A)] * * SIL [dB] * * Noise levels shall be measured at a height of ** above the passenger compartment floor on the aisle center lines in the passenger seated area. ** Confidential Treatment Requested. USA — Amended & Restated Airbus A320 Family Purchase Agreement LA 8E-1 — 9 of 14 EXECUTION PRIVILEGED AND CONFIDENTIAL 5 GUARANTEE CONDITIONS

Cabin. At a pressure altitude of ** and a true Mach number of ** in straight and level flight in still air under ISA conditions, the guaranteed A-weighted Sound Pressure Level (SPL) and the Speech Interference Level (SIL) shall be as follows: ** Confidential Treatment Requested. USA — Amended and Restated Airbus A320 Family Purchase Agreement LA 8F-1 — 15 of 22 EXECUTION PRIVILEGED AND CONFIDENTIAL Front 40% of passenger seated area SPL [dB(ASPL[dB(A)] * ** SIL [dB] * ** Remaining 60 % of passenger seated area SPL [dB(ASPL[dB(A)] * ** SIL [dB] * ** Noise levels shall be measured at a height of ** above the passenger compartment floor on the aisle center lines in the passenger seated area. ** Confidential Treatment Requested. USA — Amended & and Restated Airbus A320 Family Purchase Agreement LA 8E-1 8F-1 — 9 16 of 14 22 EXECUTION PRIVILEGED AND CONFIDENTIAL 5 GUARANTEE CONDITIONSCONFIDENTIAL