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) will be as follows: SPL [dB(A)] ** SIL [dB] ** USA — Airbus A330 Purchase Agreement EXECUTION PRIVILEGED AND CONFIDENTIAL **Confidential Treatment Requested. Noise levels will be measured at a height of ** above the passenger compartment floor on the aisle center lines in the passenger seated area.

Cabin. At a pressure altitude of ** 35000 ft 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) will be as follows: SPL [dB(A)] ** SIL [dB] ** USA — Airbus A330 Purchase Agreement EXECUTION PRIVILEGED AND CONFIDENTIAL **Confidential Treatment Requested. Noise levels will be measured at a height of ** above the passenger compartment floor on the aisle center lines in the passenger seated area.