On March 11, 1959, the Sikorsky SH-3 Sea King took flight for the first time, marking a major milestone in naval aviation.

LONDON—Hill Helicopters is on track to fire up its internally developed GT50 turboshaft engine for its HX/HC50 family of single-engine light helicopters this summer, company founder Jason Hill ...

Regarding civil turboshaft engines, two models, the AES100 and the AES20, have been developed for helicopters. The AES100 is expected to obtain its production certificate (PC) in 2025, which will ...