Maxwell Aircraft Unveils Hybrid Amphibious M1 Cargo Plane

Florida-based startup Maxwell Aircraft has officially unveiled its patent-pending M1 Hybrid, a twin-engine hybrid-electric amphibious aircraft designed to serve cargo and passenger markets in locations without conventional airports. The concept is generating buzz across the general aviation community as a bold reimagining of what a seaplane can do.

The initial cargo variant, designated the M1-HC, is being developed with these specifications:

• Payload: 2,000 pounds (907 kg)
• Range: 1,000 nautical miles
• Takeoff and climb: High-output electric motors delivering up to 1,500 horsepower
• Cruise: Two Jet A-burning, compound-turbocharged direct-injection engines producing approximately 300 hp combined
• Cargo access: A five-foot-wide door designed to accommodate palletised freight

The M1’s hybrid-drive system uses electric power during takeoff and climb, then switches to its engines for efficient cruise flight.

The aircraft is built on a composite carbon-fibre and Kevlar airframe derived from the Gweduck amphibian, itself a fifth-generation evolution of the classic Grumman seaplane design. The composite construction is intended to avoid the corrosion problems that affect metal aircraft in marine environments.

Maxwell CEO David Dillon said the goal was to “rethink what an amphibious aircraft can do.” The company is targeting initial flight testing in 2027 and envisions the M1 serving remote communities, island logistics, disaster response, and government operations.

Source: FlightGlobal – Maxwell Aircraft unveils amphibious M1 hybrid cargo concept (November 4, 2026)