A long booming extreme resonating bass note in the key of D.
A 2 bar, 4/4, closed / open hi-hat pattern at 144 bpm.
A long booming extreme resonating bass note in the key of A.
Opening and closing of galley cabinets
Opening and closing a pedal trash can or bin
A person walking up to the cockpit and opening the door
Opening the lock of a binder.
Switch, open or close, a lot of ambient air.
Metal bolt lock, open or close
Opening packaging roughly