The 81st Support Aviation Regiment (Serbo-Croatian: 81. puk pomoćne avijacije / 83. пук помоћне авијације) was an aviation regiment established in 1944 as 2nd Yugoslav Assault Regiment (Serbo-Croatian: 2. jugoslovenski vazduhoplovni jurišni puk / 2. југословенски ваздухопловни јуришни пук, Russian: 2-й Югославский штурмовой авиационный полк) formed from Yugoslav partisan aviators on training in Soviet Union.

By the end of training and arming with Ilyushins regiment became operational by March 3, 1945.

It has moved from USSR taking off by June 22, 1945, and land in Yugoslavia by July 17, 1945, at Sombor airport.

The commanders of the regiment in this period were Mirko Šćepanović and Ivan Salević and commissar was Vlado Bakarić.

The commanders of regiment in this period were Dimitrije Kovačević, Slobodan Alagić, Svetolik Muždeka, Vlado Kecman, Ljubomir Vučkević and Bogdan Verbole.