Yakovlev Yak-14

The Yakovlev Yak-14 (NATO reporting name: "Mare", Russian: Як-14) was the largest assault glider ever to enter service with the Soviet Air Force. It was introduced in 1949, at a time when other air forces were abandoning the glider concept. In 1950 a Yak-14 became the first glider to fly over the North Pole.

Read more about Yakovlev Yak-14:  Design and Development, Operational History, Variants, Operators, Specifications (Yak-14)