THIS is the gut-wrenching moment a helicopter crashes after becoming entangled in overhead cables, killing everyone onboard.

Light rotorcraft maker Robinson Helicopter and biotechnology firm United Therapeutics recently ground tested an R44 modified with hydrogen fuel cells, and the companies say test flights are imminent.

A private Robinson R44 helicopter has crashed in Russia’s Arkhangelsk Oblast, resulting in the deaths of two men, one of whom is believed to be Sergei Smetanin, a member of Arkhangelsk city council ...

A helicopter spun out of control during takeoff at a Houston-area airport on Sunday, crashing into a parked plane, according to video of the incident. The Robinson R44 helicopter was taking off from ...