Heart Aerospace secures FAA CLEEN award for ES-36 development
The $2.9 million grant funds R&D for the hybrid propulsion turbogenerator, supporting certification and flight testing alongside existing FAA FAST program funding.
See the latest news and media coverage for Heart Aerospace. We track all announcements, press releases, and industry mentions in real time, all in one place.
Hybrid-electric regional aircraft developer
heartaerospace.comLast updated
In short: Heart Aerospace flew its X1, the largest battery-electric aircraft, on a 27-minute test flight in August 2026.
The $2.9 million grant funds R&D for the hybrid propulsion turbogenerator, supporting certification and flight testing alongside existing FAA FAST program funding.
The agreement includes 50 firm orders with options for 50 more. The hybrid-electric regional airliner offers a 745-mile range and 40 percent lower operating costs than legacy aircraft.
The 27-minute flight on August 12, 2026, at Plattsburgh International Airport used $5 of electricity, demonstrating commercial-scale electric propulsion.
The company moves from Gothenburg to support product development and upcoming prototype flights, closing Swedish operations to focus on the U.S. market.
Heart Aerospace unveiled a redesigned 36-seat hybrid-electric regional aircraft on Wednesday and said public charter carrier JSX had committed to buy 50 of these planes.
Heart Aerospace just made aviation history. Its X1 demonstrator, the largest battery-electric aircraft ever flown, completed a 27-minute test flight over Plattsburgh, New York, reaching...
Electric aircraft developer Heart Aerospace has carried out the maiden flight of its X1 demonstrator, almost two years after unveiling the experimental aircraft. Heart flew...
The X1 is a full-scale all-electric demonstrator for Heart's planned hybrid 30-seat ES-30. Credit: Heart Aerospace Startup Heart Aerospace completed the first flight of its...
Track Heart Aerospace and your other target companies to get real-time alerts and weekly summaries delivered straight to your inbox.
Discover what's making headlines across other trending companies.