Prop sound effects

In the cockpit of a propeller helicopter: idle

4539 957

In a propeller plane (2)

3287 1028

Helicopter propeller: gaining momentum and taking off

5343 1173

Helicopter propeller: gaining altitude and flying away

4463 931

Helicopter propeller: the blades at idle

4805 1273

Propeller plane flies

5122 1049

Propeller plane starts engines

3474 973

Propeller plane takeoff (2)

3375 558

Propeller plane takeoff (3)

3533 1090