t 74.9 47.0 Window 7 Right 75.6 46.9 Aft Row Left 71.7 47.5 Aft Row Right 72.5 47.6 Lavatory Center 78.4 58.0 Lavatory RH 75.7 56.6 Baggage Center 81.7 65.3 Passenger Cabin Average 741.4 46.3 dB(A) A-Weighted Sound Pressure level SIL = Speech Interference level ( 1. 2. 4 kHr ) Job flAC-