Rogozarski AZR
One prototype Rogozarski AZR (Avion Živojina Rogožarskog) obtained in 1930 for evaluation as a fighter conversion trainer. Single-seat biplane. 260 hp Walter Kastor engine. Returned to Rogozarski after failing its Air Force evaluation. In 1934 the aircraft was purchased from the company as a contribution to help it through financial difficulties. Withdrawn from service in 1937.

Serial	c/no.	Prev. Identity	Delivered	Fate/Notes
	1	UN-PAU	1934	first reg'd 1930, wfu 1937

References:

• LET No.1 (Yugoslav Aviation Museum)

Rogozarski Brucos
One prototype Rogozarski Brucos obtained in 1940 for evaluation as a basic trainer. Low-wing monoplane with 132 hp Gipsy Major I engine. Evaluated against Albatros ALKA and Ikarus Aero 2. No production order. The aircraft was destroyed during the April 1941 war.

Serial	c/no.	Prev. Identity	Delivered	Fate/Notes
			1940	w/o Apr 1941

References:

• xx