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HU-25 Guardian

Falcon 20 (Mystère 20)
HU-25 Guardian
Dassault Falcon (Mystere) 20F-5 (PH-BPS).jpg
Civilian Falcon 20
Role Business jet
Manufacturer Dassault Aviation
First flight 4 May 1963
Introduction 3 June 1965
Status Out of production, in active service
Primary users Federal Express
French Navy
United States Coast Guard
Cobham Aviation
Produced 1963-1988
Number built 508
Variants Dassault Falcon 10
Dassault Falcon 50

The Dassault Falcon 20 is a French business jet. It was the first of a family of business jets built by Dassault Aviation.

Marcel Dassault gave the go-ahead for production of an eight- or ten-seat executive jet or military liaison aircraft the Dassault-Breguet Mystère 20 in December 1961. The Mystère 20 was a low-wing monoplane with two rear-mounted Pratt & Whitney JT12A-8 engines. The prototype, registered F-WLKB, first flew on 4 May 1963 at Bordeaux-Merignac. Under the influence of Pan American the aircraft was re-engined with two General Electric CF700 engines and some dimensions were increased. Pan American signed a contract to distribute the Mystère 20 in the western hemisphere and ordered 40 aircraft with options on 120. The re-engined aircraft first flew on 10 July 1964. The first production aircraft flew on 1 January 1965 and both French and American certification was awarded in June 1965. On 10 June 1965, Jacqueline Auriol set the women's world record speed in the first Mystère 20 prototype, F-WLKB, with an average speed of 859 kilometers per hour over 1000 km. This prototype was used in the 1966 comedy How to Steal a Million, starring Audrey Hepburn and Peter O'Toole. Deliveries began to the Pan American outfitting facility at Burbank Airport, California. In 1966 the company redesignated the American-delivered aircraft as the Fan Jet Falcon, this later became the Falcon 20. Military orders from Australia and Canada were received. All non-American aircraft were fitted out before delivery at Bordeaux-Merignac. In 1967 Pan American Business Jets Division, a business unit of Pan American World Airways, increased their firm orders to 160 aircraft.

Some Falcon 20s powered by General Electric CF700 engines were re-engined with Garrett TFE731 engines under AMD-BA Service Bulletin No. 731. These aircraft were redesignated with a "-5" after the model number. Volpar, Inc. worked on a program to reengine Falcon 20s with the Pratt & Whitney Canada PW305 engines, but the program was abandoned before a FAA STC was awarded.


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