Consolidated PT-11

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PT-11

Consolidated Y1PT-11
Type Primary trainer
Manufacturer Consolidated Aircraft Company
Introduced 1931
Primary users United States Army Air Corps
United States Coast Guard
Number built 30[1]

The Consolidated Model 21 was an American two-seat training aircraft built by the Consolidated Aircraft Company. It was used by the United States Army Air Corps with the designation PT-11 and the United States Coast Guard under the designation N4Y

Contents

[edit] Development

The Model 21 was an aerodynamic cleaned up version of the Model 12/PT-3, one of the distinguishing features was curved instead of angular tail surfaces. The aircraft was a single-engined biplane with fixed tailwheel landing gear and accommodation for two in open cockpits. Designated the PT-11 by the United States Army Air Corps it progressed through a number of trial variants but was not built in quantity.

[edit] Variants

YPT-11
Evaluation aircraft based on the commercial Model 21 with a 165hp R-540-1 engine, four built.
PT-11A
One YPT-11 was re-engined with a 175hp R-600-1 engine, originally as Y1PT-11A, later converted to PT-11C standard.
Y1PT-11B
One YPT-11 was re-engined with a 170hp YR-720-1 engine and designated YPT-11B. Another aircraft was diverted to the United States Coast Guard and designated N4Y-1.
PT-11B
Production version of the YPT-11 with a 210hp R-720-1 engine, five built
PT-11C
One PT-11A re-engined with a 180hp YR-680-1 engine.
PT-11D
Production version with 200hp R-680-3 engine, 21 built.
PT-12
A version of the PT-11 with a 300hp R-985-1 engine and detailed changes, ten built later re-designated BT-7.
BT-6
One YPT-11 was re-engined with a 300hp R-985-1.
BT-7
PT-12 aircraft re-designated.
XN4Y-1
Evaluation aircraft for the United States Coast Guard, three built.
N4Y-1
One YPT-11B for the USCG, later modified to the same standard as the XN4Y-1
Fleet Finch
Canadian built version of the N4Y (Consolidated Model 21M).

[edit] Operators

Flag of Canada Canada
Flag of the United States United States

[edit] Specifications (PT-11D)

Data from "The Illustrated Encyclopedia of Aircraft (Part Work 1982-1985)" Orbis Publishing

General characteristics

  • Crew: Two
  • Length: 26 ft 11 in (8.20 m)
  • Wingspan: 31 ft 7 in (9.63 m)
  • Height: 9 ft 8 in (2.95 m)
  • Wing area: 280 ft² (26.01 m²)
  • Empty weight: 1,918 lb (870 kg)
  • Max takeoff weight: 2,585 lb (1173 kg)
  • Powerplant: 1× Lycoming R-680A radial piston, 200 hp (149 kW)

Performance


[edit] See also

[edit] References

  1. ^ "U.S. Army Aircraft 1908-1946" by James C. Fahey, 1946, 64pp.
  • The Illustrated Encyclopedia of Aircraft (Part Work 1982-1985). Orbis Publishing. 
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