Cockpit noise Clause Samples
Cockpit noise. At a pressure altitude of 35000 feet and a true Mach number of 0.82 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 not exceed the following values: Guarantee ---------- SPL dB(A) [...***...] SIL dB [...***...] Noise levels will be measured at the Captain's and First Officer's seat position at head level with normal cockpit air conditioning and ventilation in operation.
Cockpit noise. At a pressure altitude of 35,000 ft and a Mach number of M=0.78 in still air under ISA conditions, the guaranteed A-Weighted Sound Pressure Level (SPL) will not exceed *** and the Speech Interference Level (SIL) will not exceed ***.
Cockpit noise. 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 not exceed the following values: SPL dB(A) ** SIL dB ** ** Confidential Treatment Requested. USA — Amended and Restated A350 Purchase Agreement LA 8-2.B — 10 of 16 EXECUTION PRIVILEGED AND CONFIDENTIAL Noise levels will be measured at the Captain’s and First Officer’s seat position at head level with normal cockpit air conditioning and ventilation in operation.