Fleetwings BT-12 Sophomore

BT-12 Sophomore
The XBT-12
Role Basic trainer
National origin United States
Manufacturer Fleetwings
First flight 1939
Primary user United States Army Air Forces
Produced 1942-1943
Number built 25


The Fleetwings BT-12 Sophomore, also known by the company designation Model 23, was a 1940s all-metal basic training monoplane built by Fleetwings for the United States Army Air Forces. Only 24 production examples of the type were built before the contract was cancelled.

Design and development

With the outbreak of the Second World War, the United States Army Air Corps (later U.S. Army Air Forces) was ill-prepared for a major war. In an effort to obtain as many aircraft as possible the USAAF contracted Fleetwings, a specialist fabricator of sheet stainless steel,[1] to produce a basic training monoplane. A prototype Model 23 was ordered as the XBT-12 during 1939.[2]

The XBT-12 was an all-metal low-wing cantilever monoplane with a fixed tailwheel landing gear and powered by a Pratt & Whitney R-985 engine. The aircraft had two identical tandem cockpits for instructor and pupil covered by a continuous canopy. It was the first military aircraft to be constructed primarily from welded stainless steel.[3]

Operational history

After evaluation of the XBT-12 starting in late 1939,[4] an order for 176 production aircraft, designated BT-12, was placed.[5] Only 24 aircraft were delivered, one in 1942 and 23 in 1943,[6] before the contract was cancelled,[2] the Vultee BT-13 being preferred.[1]

Variants

XBT-12
Army designation for the prototype Model 23, one built.
BT-12
Army designation for the production Model 23, 24 built, 152 cancelled.

Operators

 United States
United States Army Air Forces

Specifications (BT-12)

Data from The Illustrated Encyclopedia of Aircraft (Part Work 1982-1985), 1985, Orbis Publishing; also [4]

General characteristics

Performance

See also

Aircraft of comparable role, configuration and era
Related lists

References

Wikimedia Commons has media related to Fleetwings BT-12 Sophomore.
Notes
  1. 1 2 Pattillo, Donald M. (2001). Pushing the Envelope: The American Aircraft Industry. Ann Arbor, MI: University of Michigan Press. p. 131. ISBN 978-0472086719.
  2. 1 2 Gunston, Bill (1994). World Encyclopaedia of Aircraft Manufacturers. Annapolis, MD: Naval Institute Press. p. 118. ISBN 978-1557509390.
  3. ↑ Pitkin, Walter (1942). What's That Plane?: The Handbook for Practical Aircraft Identification (2nd ed.). New York: Penguin Books. p. 60. ASIN B001DEMTMO.
  4. 1 2 Historical Office of the Army Air Forces (1947). The official pictorial history of the AAF. New York: Duell, Sloan and Pierce. p. 177. ASIN B000GU84Z2.
  5. ↑ Andrade, John (1979). U.S. Military Aircraft Designations and Serials since 1909. Leicester, UK: Midland Counties Publications. p. 61. ISBN 0-904597-22-9.
  6. ↑ Trimble, William F. (1982). High Frontier: A History of Aeronautics in Pennsylvania. Pittsburgh, PA: University of Pittsburgh Press. pp. 217–218. ISBN 0-8229-5340-4.
Bibliography
  • The Illustrated Encyclopedia of Aircraft (Part Work 1982-1985), 1985, Orbis Publishing

Further reading

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