is 143.70 KB, has a resolution of 722x722 pixels and was uploaded on August 24, 2020 @ 8:11 am by user: helenann. It is filed under the tags: helicopter, rotorcraft, helicopter rotor, internet of things, quadcopter. Click the blue button at the top to freely download: Helicopter Fixed-wing Aircraft Unmanned Aerial Vehicle Rotor Quadcopter png.