|First flight||August 1917|
|Primary user||French Air Force|
Development and design
The AI was developed to replace the obsolete Morane-Saulnier Type N. Its engine was mounted in a circular open-front cowling. The parasol wing was swept back. The spars and ribs of the circular section fuselage were wood, wire-braced and covered in fabric. The production aircraft were given service designations based on whether they had 1 gun (designated MoS 27) or 2 guns (designated MoS 29).
- MoS 27
- Production fighter variant with one 0.303in (7.7mm) Vickers machine gun and powered by a Gnome Monosoupape 9NI rotary engine.
- MoS 29
- Production fighter variant with two 0.303in (7.7mm) Vickers machine guns and powered by a Gnome Monosoupape 9NI rotary engine.
- MoS 30
- Production advanced trainer with either a 89kW (120hp) le Rhone 9Jb or a 101kW (135hp) le Rhone 9Jby rotary engine.
- MoS 30bis
- Variant of the MoS 30 with a de-rated le Rhone 9Jby engine 67kW (90hp).
- Soviet Air Force - Four aircraft, used for tests and trials.
An original AI is part of the Fantasy of Flight collection in Polk City, Florida. This particular aircraft was sold to the United States Army Air Service in 1918. This aircraft, along with several others, was shipped to McCook Field in Ohio for testing. Surviving the test programs of the early 1920s they eventually were sold to private pilots. This AI ended up in the Tallmantz Collection and was acquired by Fantasy of Flight's owner Kermit Weeks when he purchased the collection in 1985. It was sent to England and restored by Personal Plane Services in the late 1980s.
Specifications (MoS 27.C1, 150 hp Monosoupape)
Data from War Planes of the First World War: Volume Five Fighters
- Crew: 1
- Length: 5.65 m (18 ft 6⅜ in)
- Wingspan: 8.51 m (27 ft 11 in)
- Height: 2.40 m (7 ft 10¼ in)
- Wing area: 13.39 m2 (144.1 ft2)
- Empty weight: 421 kg (926 lb)
- Gross weight: 649 kg (1,428 lb)
- Powerplant: 1 × Gnome Monosoupape 9N, 112 kW (150 hp) each
- Maximum speed: 225 km/h (140 mph)
- Endurance: 1 hours 45 min
- Service ceiling: 7,000 m (22,965 ft)
- Rate of climb: 8.3 m/s (500 ft/min)
- 1 7.7mm (0.303-in) Vickers machine gun forward of cockpit
- Angelucci, Enzo. The Rand McNally Encyclopedia of Military Aircraft, 1914-1980. San Diego, California: The Military Press, 1983. ISBN 0-517-41021-4.
- Bruce, J.M. War Planes of the First World War: Volume Five Fighters. London: Macdonald, 1972. ISBN 0-356-03779-7.
- Donald, David, ed. The Encyclopedia of World Aircraft. Ottawa, Canada: Prospero Books, 1997. p. 659. ISBN 1-85605-375-X.
- Holmes, Tony. Jane's Vintage Aircraft Recognition Guide. London: Harper Collins, 2005. p. 36. ISBN 0-00-719292-4.
- Lamberton, W.M. Fighter Aircraft of the 1914-1918 War. Herts, UK: Harleyford Publications Ltd., 1960, pp. 84–85.
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