LONDON—UK rotorcraft startup, Hill Helicopters is “on schedule” to perform the first engine run of its in-house developed GT50 turboshaft engine for its HX/HC50 light helicopter in the spring, founder ...

LONDON—Hill Helicopters, the UK startup developing the HX/HC50 single-engine light helicopter, has further delayed a planned first engine run of its independently developed GT50 turbine powerplant.

Safran Helicopter Engines is to collaborate on the development of the hybrid-electric propulsion system for Aura Aero’s Electric Regional Aircraft (ERA). Covered by a memorandum of understanding, the ...