Template:Soviet trainer designations

v t e Soviet trainer designations, 1923–1940
Trainer (U)	U-1 U-2 U-3 (I) U-3 (II) U-4 U-5
Seaplane trainer (MU)	MU-1 MU-2 MU-3 MU-4
Advanced trainer (UT)	UT-1 UT-2 UT-3
Fighter trainer (UTI)	UTI-1 UTI-2 UTI-3 UTI-4 UTI-5 UTI-6 UTI-7 through UTI-25¹ UTI-26
Transitional trainer (P)	P-2
Descriptors	Transitional bomber trainer UPB Advanced bomber trainer UTB
¹ Unknown/not assigned