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Yakovlev Yak-11

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Yak-11
Type Training aircraft
Manufacturer Yakovlev
Maiden flight 1945-11-10
Introduced 1946
Retired 1962
Primary user Soviet Air Force
Number built 4,566

The Yakovlev Yak-11 (NATO reporting name: "Moose", Russian: Як-11) was a trainer aircraft used by the Soviet Air Force and other Soviet-influenced air forces from 1947 until 1962.

History

The Yak-11 design was based in large part on the successful Yak-3 fighter; it became the Soviet Air Force's most widely used trainer aircraft and has sometimes been equated in importance with the T-6 Texan. The first prototype flew on 10 November 1945; the aircraft entered service in 1946. In total, 3,859 aircraft were produced between 1947 and 1956. From 1953, an additional 707 were licence-built in Czechoslovakia under the name LET C-11. Both Yak-11 and C-11 were used in all Warsaw Pact countries, as well as many African, Middle Eastern and Asian countries, such as Afghanistan, Albania, Algeria, Bulgaria, China, Czechoslovakia, East Germany, Egypt, Indonesia, Iraq, Hungary, Poland, North Korea, Romania, Somalia, Soviet Union, Syria, Vietnam, Yemen and Austria.

In 1958, the Yak-11 was to be replaced by the tricycle-geared Yak-11U which was intended as a trainer for jet pilots. However, the U variant was only produced in small numbers, and the Yak-11 remained in service with the VVS until 1962. A licensed copy of the Yak-11U, the LET C-11U, was also produced in Czechoslovakia in a small series.

Due to its Yak-3 lineage, the Yak-11 has recently seen widespread popularity among warbird enthusiasts. Souped-up versions of the Yak-11 can be frequently seen at air races. About 120 Yak-11s remain in airworthy condition.

Operators

Description

File:Yak11.jpg
Yakovlev Yak-11 trainer

Mixed construction (metal and wood) trainer plane. 7 cylinder radial engine with two-blade fixed propeller. Conventional retractable landing gear with fixed tailwheel.

Specifications (Yak-11)

General characteristics

  • Crew: Two - student and instructor
  • Length: 8.50 m (27 ft 10 in)
  • Wingspan: 9.4 m (30 ft 10 in)
  • Height: 3.28 m (10 ft 5 in)
  • Wing area: 15.40 m² (166 ft²)
  • Empty weight: 1,900 kg (4,189 lb)
  • Loaded weight: kg (lb)
  • Max takeoff weight: 2,440 kg (5,379 lb)
  • Powerplant:Shvetsov ASh-21 air-cooled radial piston engine, 425 kW (570 hp)

Performance

Armament

  • 1x nose-mounted machine gun, either 12.7 mm UBS or 7.62 mm ShKAS
  • up to 200 kg (440 lb) of bombs on two underwing racks


See also

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Related development
Yakovlev Yak-3 Comparable aircraft
T-6 Texan - PZL TS-8 Bies

cs:Jakovlev Jak-11 de:Jakowlew Jak-11 fr:Yakovlev Yak-11 hu:Jak–11 ja:Yak-11 (航空機) vi:Yakovlev Yak-11


This article is licensed under the GNU Free Documentation License.
It uses material from the Wikipedia article "Yakovlev Yak-11".