https://www.flyer.co.uk/avions-mauboussin-launches-hybrid-hydrogen-stol-aircraft/

The Alcyon M3c is a a regional short take-off and landing aircraft, with seating for five passengers plus pilot, and the same powerplant as Alérion M1h two-seater (hybrid then hydrogen).

The Alcyon M3c will have a range of 1,500km and will reach a cruise speed of 370km/h. Certification and commercialisation are planned for 2026.