Home Electric Aircraft GKN to supply Pratt & Whitney with wiring for hybrid-electric test aircraft... GKN to supply Pratt & Whitney with wiring for hybrid-electric test aircraft | Aerospace Testing International 21 Sep 2023 | Electric AircraftHeadline5Hybrid Aircraft GKN Aerospace has signed an agreement with Pratt & Whitney Canada to collaborate on the development of the High Voltage High Power EWIS for the RTX hybrid-electric flight demonstrator project