Military Aircraft Procurement News

FlightGlobalRyan Finnerty

Joby and L3Harris to demo autonomous S-4T hybrid-electric rotorcraft for the US Army

Joby Aviation and defense contractor L3Harris plan to demonstrate a modified, hybrid-electric version of Joby’s S-4 rotorcraft—dubbed the S-4T—for the US Army in the coming days. The S-4T pairs the all-electric S-4 airframe with hybrid-electric propulsion and an autonomous flight control system.

2026-04-16T16:16:26.237964-07:00

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2026-04-16T16:16:26.237964-07:00
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