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.

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 ...

EU financial backing for the development of a next-generation military helicopter engine via the European Defence Fund (EDF) has moved a step closer, reports suggest. According to the Euractiv news ...