YO-3A Quiet Plane (NASA-718) parked on ramp This aircraft is a flying acoustic platform used as a microphone to study aircraft noise, especially helicopter noise.
YO-3A (NASA-718) and SH-3G (NASA-735) in flight over Ames on way to Crows Landing during Helicopter Airborne Laser Positioning System flight tests
YO-3A (NASA-718) Flying Acoustic Platform: The Quiet Plane is used as a flying microphone platform to study aircraft noise, especially helicopter noise.
YO-3A (NASA-718) Flying Acoustic Platform: The Quiet Plane is used as a flying microphone platform to study aircraft noise, especially helicopter noise.
Megan McCluer in cockpit of YO-3A (NASA 718) during IRAP (inflight rotorcraft acoustics program) tests with XV-15 (NASA 703) over Bell Helicopter Textron Co.,