Listen to the sound clip Sikorski 61N, Helicopter, exterior, Take off and depart (24 seater with General Electric CT 58 Turbine engine) from Sikorski 61N (24 Seater) Helicopter Exterior Soundboard:
Sikorski 61N, Helicopter, exterior, Take off and depart (24 seater with General Electric CT 58 Turbine engine)
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