Helicopter Sikorsky S 61N, medium distant, up land and off
Helicopter Sikorsky S 76A Spirit, medium distant, idle, take off and pass by
Helicopter, Sikorsky S76A, pass by in the distance, with birds in the background
A thick, metallic whoosh, pans from left to right.
Helicopter rotor blade, slow down
Synth jet engine passes right to left