These glossaries of acronyms and initials are used for aero-engines and aircraft equipment the Russian federation and formerly the USSR. The Latin-alphabet names are phonetic representations of the Cyrillic originals, and variations are inevitable.

The Union of Soviet Socialist Republics abbreviated to USSR or shortened to the Soviet Union , was a Marxist–Leninist state on the Eurasian continent that existed between 1922 and 1991. A union of multiple subnational Soviet republics, its government and economy were highly centralized. The Soviet Union was a one-party state, governed by the Communist Party with Moscow as its capital.