Dean Delt-Air 250

The Dean Delt-Air 250 was an American twin-seat amateur-built, delta wing light aircraft. Designed and built by Herbert Dean of Flint, Michigan, the aircraft was destroyed on its first flight and Dean was killed.

Design and development
The Delt-Air was a single-engined all-metal light aircraft powered by a 180 hp Lycoming O-360 engine mounted at the rear driving a pusher propeller. It had a tricycle landing gear and rear-hinged canopy for access to the tandem cockpit. Registered N6379T it was destroyed during its first flight on 8 November 1961 and the designer killed.