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 ***.
Appears in 3 contracts
Sources: Purchase Agreement (Us Airways Inc), Airbus A319/A320/A321 Purchase Agreement (Us Airways Inc), Airbus A319/A320/A321 Purchase Agreement (Us Airways Inc)
Cockpit noise. At a pressure altitude of 35,000 ft and a Mach number of M=0.78 M=0.82 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 ***.
Appears in 2 contracts
Sources: Purchase Agreement (Us Airways Inc), Purchase Agreement (Us Airways Inc)