Helicopter Flight tweets
João Miranda de Sá
Watch Navy helicopter drone's first flight above Southern California http://t.co/cAXX8Ls13E
Garry Varley
Brittany's Helicopter Flight: http://t.co/s2uZoK3Bqk via @YouTube
David O'Sullivan
RT @WelshPingu: Lock up during helicopter flight. Nice,
Luis Eduardo Vanegas
Northrop Grumman's MQ-8C Fire Scout unmanned aircraft based on the Bell 407 light helicopter, made its first flight.