UK-based Hill Helicopters has completed the first run of its GT50 turboshaft, the first clean-sheet British helicopter turbine engine in 60 years.

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 ...

Turbotech's TP-R150 turboprop is crossing a threshold that has long eluded small turbine engines: manufacturers are now committing to it as a production ...