Sikorsky reported successful flight tests for its 115-pound, battery-powered twin prop-rotor unmanned aircraft.

They say that drummers make the best helicopter pilots ... collective and cyclical changes in the angle of attack of the rotor blades. As [Tom Stanton] points out in his latest video, a ...

Occupying the space between its strong-selling H135 and H145 light-twins, the H140 features a five-blade main rotor, a new ...