Bell sound obtained from:
http://freesound.org/people/InspectorJ/sounds/339812/

Radio chatter obtained from:
http://freesound.org/people/digifishmusic/sounds/55022/

Tray close sound obtained from:
http://freesound.org/people/Hard3eat/sounds/351780/

CD sound obtained from:
http://freesound.org/people/cmorris035/sounds/207276/

Takeoff1.wav:
http://freesound.org/people/hannagreen/sounds/346570/

Beep.wav:
http://freesound.org/people/jobro/sounds/33778/

R C P M 1 A 1
| | | | | | V
| | | | | V Message number
| | | | V A = Approach, D = Departure, F = Final, T = Taxi
| | | V Voice number
| | V M = Man, W = Woma
| V P = Pilot, T = Tower
| Chatter
V
Radio