Aviation regiments were homogeneously equipped with aircraft designed for specific operations, usually bomber, assault, fighter or reconnaissance types.
The strength of aviation regiments varied significantly during Soviet-German fighting on the Eastern Front.
But heavy losses during initial stage of war and difficulties in operating such unit lead to formation of new type of regiment in the fall of 1941 - with two 10-aircraft squadrons and one aircraft for commander - 21 aircraft total.
The Rifle and Tank Corps air squadron had 12 reconnaissance aircraft with 18 crews.
The squadrons of Front aviation consisted of flights, while those of the long-range bombers from detachments of 3 aircraft each.