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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.[1]

Delt-Air 250
Role	Delta-wing homebuilt aircraft Type of aircraft
National origin	United States
Designer	Herbert Dean
First flight	8 November 1961
Status	Destroyed
Number built	1

Design and development

The Delt-Air was a single-engined all-metal light aircraft powered by a 180 hp (134 kW) 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 fatal flight on 8 November 1961.[1][2]

Specifications

Data from Flight International January 1962[1]

General characteristics

• Length: 25 ft 3 in (7.70 m)
• Wingspan: 16 ft 3 in (4.95 m)
• Gross weight: 1,460 lb (662 kg)
• Powerplant: 1 × Lycoming O-360 four-cylinder, direct-drive, horizontally opposed, air-cooled, piston aircraft engine, 180 hp (130 kW)
• Propellers: 2-bladed

Performance

• Maximum speed: 240 mph (390 km/h, 210 kn) estimated

References

Notes

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