![Helicopter in the sky above the Grand Canyon](/subjects/sound/images/500x250_GRCA_helicopter_NPS.jpg?maxwidth=1300&maxheight=1300&autorotate=false)
NPS Photo
-
Helicopter
Sound recording of a helicopter, Yosemite National Park, California.
- Credit / Author:
- NPS
- Date created:
- 10/14/2020
![Spectrogram of a helicopter](/subjects/sound/images/Spectro_Helicopter_YOSE_8_6_2005.jpg?maxwidth=1300&maxheight=1300&autorotate=false)
NPS
Last updated: December 2, 2019
NPS Photo
Sound recording of a helicopter, Yosemite National Park, California.
NPS
Last updated: December 2, 2019