The LK-4 (Leningradskii Kombinat), (a.k.a. NIAI-4) was a tandem two-seat trainer aircraft designed and built in the USSR from 1933.
| LK-4 | |
|---|---|
| Role | Trainer Type of aircraft |
| National origin | USSR |
| Manufacturer | NIAI (Naoochno-Issledovatel'skiy Aero-Institoot - scientific test aero-institute) |
| Designer | Anatolii Georgievich Bedunkovich |
| First flight | early 1934 |
| Number built | 1 |
In 1930 the LIIPS ( - Leningrad institute for sail and communications engineers) formed a UK GVF ( - training centre for civil air fleet), in turn the UK GVF formed the NIAI (Naoochno-Issledovatel'skiy Aero-Institoot - scientific test aero-institute) which became the focus of several good design engineers who were given command of individual OKB (Osboye Konstrooktorskoye Byuro – personal design/construction bureau).
Designed by Anatolii Georgievich Bedunkovich, an Engineer Colonel, the LK-4 was really five aircraft in one, for use in research projects and for training in aircraft of different configurations. The wooden airframe was covered in plywood on the forward fuselage and leading edges of the wings, the rest being covered in fabric. The LK-4 was simple to make and used the standard propeller and instruments from the U-2 (oochebnyy – trainer). Testing began early in 1934, with a recommendation being given for production of the aircraft, which never materialised, despite the aircraft's success in several light aircraft competitions from 1934 to 1936.
Data from Gunston, Bill. "Encyclopaedia of Russian Aircraft 1875-1995". London:Osprey. 1995. ISBN 1-85532-405-9
General characteristics
Performance
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