The Beriev MBR-2 was a Soviet multi-purpose flying boat which entered service with the Soviet Navy in 1935. Out of 1,365 built, nine were used by foreign countries. In the Soviet Union, it sometimes carried the nickname of "Kорова" (cow) and "Амбар" (barn).

The Mikulin M-17 was a Soviet-licensed copy of the German BMW VI V-12 liquid-cooled aircraft piston engine, further developed by Alexander Mikulin and used by Soviet aircraft and tanks during World War II. Production began in 1930 and continued until 1942. More than 27,000 were produced, of which 19,000 were aircraft engines while the rest were used in Soviet tanks of the period.