The Yakovlev UT-1 (Russian: Яковлев УТ-1) was a single-seater trainer aircraft used by the Soviet Air Force from 1937 until the late 1940s.
[1] The AIR-14 was a small low-winged monoplane with a fixed tailwheel undercarriage, with a welded steel fuselage and wooden wings.
It was not easy to fly, requiring precise piloting, thus forming an ideal intermediate between basic trainers and the maneuverable but difficult-to-fly I-16.
In February 1942, about 50 UT-1 were converted in workshops as improvised UT-1B (УТ-1б) ground-attack planes, fitted with two machine guns and two-four rockets.
There were a large number of variants, the most numerous or noteworthy were: Data from Gordon 2005 and Gunston 1995General characteristics Performance Armament