Yakovlev Yak-40

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The Yakovlev Yak-40 (Russian: Яковлев Як-40; NATO reporting name: Codling) is a small, three-engined jet airliner. It is the world's first commuter trijet. The maiden flight was made in 1966, and it was in production from 1967 to 1981. Introduced in September 1968, the Yak-40 has been exported since 1970.

Variants[edit | edit source]

  • Yak-40: First production variant.
  • Yak-40-25: Military conversion with the nose of a MiG-25R and SRS-4A Elint installation.
  • Yak-40 Akva (Aqua): Military conversion with nose probe, pylon-mounted sensors, a fuselage dispenser and underwing active jammer pods.
  • Yak-40D (Dal'niy – long-distance): Variant with increased range.
  • Yak-40CE: Export version.
  • Yak-40 Fobos (Phobos): Military conversion with two dorsal viewing domes and a removable window on each side.
  • Yak-40K: Cargo/Convertible/Combi version with a large freight door. Produced in 1975–81.
  • Yak-40 Kalibrovshchik: Military ELINT conversion with a "farm" of blade, dipole and planar antennas.
  • Yak-40L: Proposed version with two Lycoming LF507-1N turbofans, a joint program between Skorost and Textron (now Allied-Signal) Lycoming. The original design would have had a slightly swept wing.
  • Yak-40 Liros: Military conversion with nose probe carrying air-data sensors.
  • Yak-40M: Proposed 40-seat stretched passenger version.
  • Yak-40 M-602: Flying testbed with a Czechoslovak M 602 turboprop installed in the nose.
  • Yak-40 Meteo: Military conversion with multipole dipole antennas and fuselage dispenser.
  • Yak-40P: Yak-40L with large nacelles projecting ahead of the wings.
  • Yak-40REO: Military conversion with large ventral canoe for IR linescan. Lateral observation blister on right side.
  • Yak-40 Shtorm: Military conversion with multiple probes and sensors on the forward sidewalls.
  • Yak-40TL: Proposed upgraded version, to be powered by three Lycoming LF 507 turbofan engines.
  • Yak-40V: Export version powered by three AI-25T turbofan engines.
  • Yak-40MS: Experimental upgrade with two Honeywell TFE731-5 turbofan engines by SibNIA.
  • STR-40DT: A proposed twin-engine composite-wing derivative along the line of TVS-2DTS, also being developed by SibNIA. Endorsed, but not supported by Yakovlev.

See Also[edit | edit source]

Related Development[edit | edit source]

Comparable Aircraft[edit | edit source]