Description: Military copter distant by with strong clean thwops.

Description: Strong, well defined thwops coming closer and louder. Cuts off at touch down. Stereo.

Description: Helicopter passes by with slow, clean blade thwops. Mono

Description: Police helicopter passes by while circling. Stereo.

Description: Razor sharp military quality helicopter blade spinning at a steady speed. Stereo.

Description: Clean recording of military type helicopter blades popping air as it is incoming or flying by. Stereo.

Description: Hi definition CU slowed down helicopter blades with a sense of movement.

Description: Short in to slow close descent. Then touch down on landing platform. Engine slowly spins down.