G Warwick Sikorsky’s hybrid electric powertrain, Tech Take, Aviation Week & Space Technology, 23 March-5 April 2026, p 55

Warwick, G; 23/03/2026

In US, Sikorsky is ground testing the powertrain for its HEX VTOL aircraft, a 9000 lb vehicle with a 1.2 MW hybrid system powering two rotors, and a GE turbogenerator.