The AISA GN was a prototype four-seat autogyro developed in Spain between 1974 and 1982. it featured an extensively-glazed cabin fitted with a pusher engine and tricycle undercarriage. A separate tail fin was carried at the end of two booms. The aircraft suffered from an extremely prolonged development, but finally took to the air on 20 July 1982. Shortly thereafter, however, it was damaged and finally abandoned.

Specifications [link]

General characteristics

• Crew: one pilot
• Capacity: 3 passengers
• Length: 6.50 m (21 ft 4 in)
• Diameter: 12.8 m (43 ft 0 in)
• Height: 3.2 m (10 ft 6 in)
• Main rotor area: 128.7 m² (1,390 ft²)
• Empty weight: 708 kg (1,560 lb)
• Gross weight: 1,200 kg (2,650 lb)
• Powerplant: 1 × Lycoming IO-540-K1A5, 225 kW (300 hp)

Performance

• Maximum speed: 240 km/h (150 mph)
• Range: 800 km (500 miles)

References [link]

• Taylor, Michael J. H. (1989). Jane's Encyclopedia of Aviation. London: Studio Editions. pp. 51. 
• Simpson, R. W. (1998). Airlife's Helicopters and Rotorcraft. Ramsbury: Airlife Publishing. pp. 207. 

See also [link]

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