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[[Category:1960s Yugoslav attack aircraft]]
[[Category:1960s Yugoslav attack aircraft]]
[[Category:Yugoslav military trainer aircraft 1960–1969]]
[[Category:1960s Yugoslav military trainer aircraft]]
[[Category:Soko aircraft|J-020 Kraguj]]
[[Category:Soko aircraft|J-020 Kraguj]]
[[Category:Single-engined tractor aircraft]]
[[Category:Single-engined tractor aircraft]]

Revision as of 08:58, 8 May 2019

J-20 Kraguj
J-20 Kraguj in private collection with Yugoslav marks at a local airshow in Serbia, 2009.
Role COIN
Manufacturer SOKO
Design group Aeronautical Technical Institute
First flight 21 November 1962
Introduction 1964
Status Retired in 1989
Primary user Yugoslav Air Force (1967-1989)
Produced 1964-1977
Number built 43

The Soko J-20 Kraguj (Sparrowhawk) is light military, single-engine, low-wing single-seat aircraft with a metal airframe, capable of performing close air support, counter insurgency (COIN), and reconnaissance missions, that was designed by VTI and manufactured by SOKO of Yugoslavia, first flown in 1962.

Design

It is of classic semi-monocoque, metal structure with a slightly tapered wing. The pilot is accommodated in an enclosed, heated and ventilated cockpit with adjustable seats. The cockpit canopy slides backwards to open. The landing gear is non-retractable with a tail wheel. Rubber dampers provide shock absorption, and hydraulic brakes are used for wheel braking.

The power plant comprises one 340 hp Textron Lycoming GSO-480-B1J6 piston engine and Hartzell HC-B3Z20-1/10151C-5 three-blade metal variable-pitch propeller. The engine cooling airflow is intensified by means of two specially designed ejectors. 36 US Gal of fuel contained in two rubber tanks enables a flight range of 350 NM for the fully armed configuration of the aircraft. 28 V DC electric power is supplied from a 1,5 kW generator and a storage battery. De-fogging and de-icing of the windshield is done by blowing of hot air.

Armament

Permanent armament comprises two wing-mounted 7.7 mm Colt–Browning Mk-II machine guns with 650 rounds each and a collimator sight in the cockpit. For combat missions there is a capacity for an external load of bombs and two 57 mm and two 128 mm (HVAR-5) air-to-ground rocket launchers. Adapters on the underwing pylons can be used to switch the armament configuration from free-fall bombs to multi-tube launchers with twelve 57 mm air-to-ground rockets. Cluster or cargo bombs, or 128 mm air-to-ground rockets can be fitted.

Operation

The aircraft was specially designed for low-altitude missions against day and night visible ground targets in a broad area. It was readily available to be loaded with weapons and supplied through a flexible system of auxiliary airfields that required no special preparations, especially in mountainous regions. Yugoslav military planners assumed that potential aggressor will first disable airfields. Therefore, J-20 Kraguj was designed to take-off from short unprepared runways, even ones covered in deep snow when fitted with skis. It was also called a "Partisan aircraft".[citation needed]

The Kraguj P-2 was intended for close ground force support, and could be used for training of pilots in visual day/night flights, aiming, missile firing and bombing of ground targets.

Operators

Yugoslavian J-20 Kraguj on display in the Museum of Aviation in Belgrade, Serbia
 Croatia
 Republika Srpska
 Yugoslavia

Specifications (J-20)

Data from Jane's All the World's Aircraft 1969-70 [1]

General characteristics

Performance Armament

  • Guns: 2 × 7.7 mm Colt–Browning Mk.II machine guns (650 rounds each)
  • Rockets: 2 × 12 round rocket pack or 6 × 57 mm or 127 mm rocket
  • Bombs: 2 × 100 kg (220 lb) bombs

See also

Aircraft of comparable role, configuration, and era

References

  1. ^ J W R Taylor 1969, p.506.
  • Taylor,John W.R. (editor). Jane's All The World's Aircraft 1969-70. London: Sampson Low,1969.