Bristol Blenheim Mk.I
Two Blenheim Mk.Is acquired in 1937 and flown out in November 1937. Licence to manufacture 50 more by Ikarus A.D at Zemun also obtained - 26 were built in 1939 and 14 in 1940. Early in 1940, 20 more Blenheims Mk.Is were diverted from RAF stocks and flown to Zemun. Some were equippped as fighters with two 20 mm cannon firing forward. 828 hp Bristol Mercury VIII engines. In 1940 one Ikarus-built aircraft was fitted with 750 hp Alfa Romeo 126 RC.34K engines. Also in 1940, another Ikarus-built aircraft was fitted with a Blenheim Mk.IV style nose section and designated Blenheim B-4. A batch of 20 Blenheim B-4s were ordered, but not delivered due to the April 1941 invasion. Used in the light bomber and long range reconnaissance roles, but many were lost in the April 1941 conflict.

One aircraft was captured by Hungary, while the Germans captured 14 aircraft and large amount of tools and spare parts. The Germans sold 6 aircraft to Romania and 8 to the Croatian Air Force. A large quantity of spares, parts and tools from Ikarus were sold to Finland, where they were used for production of 10 Blenheim Mk.IV in 1944. YAAF captured a single Croatian Air Force aircraft and used it shortly after the war.

Serial	c/no.	Prev. Identity	Delivered	Fate/Notes
3501	8814	G-AFCE	Nov 1937
3502	8815	G-AFCF	Nov 1937
3503			1939	Ikarus built
3504			1939	Ikarus built
3505			1939	Ikarus built
3506			1939	Ikarus built
3507			1939	Ikarus built
3508			1939	Ikarus built
3509			1939	Ikarus built
3510			1939	Ikarus built
3511			1939	Ikarus built
3512			1939	Ikarus built
3513			1939	Ikarus built
3514			1939	Ikarus built
3515			1939	Ikarus built
3516			1939	Ikarus built
3517			1939	Ikarus built
3518			1939	Ikarus built
3519			1939	Ikarus built
3520			1939	Ikarus built
3521			1939	Ikarus built
3522			1939	Ikarus built
3523			1939	Ikarus built
3524			1939	Ikarus built
3525			1939	Ikarus built
3526			1939	Ikarus built
3527			1939	Ikarus built
3528			1939	Ikarus built
3529			1940	Ikarus built
3530			1940	Ikarus built
3531			1940	Ikarus built
3532			1940	Ikarus built
3533			1940	Ikarus built
3534			1940	Ikarus built
3535			1940	Ikarus built
3536			1940	Ikarus built
3537			1940	Ikarus built
3538			1940	Ikarus built
3539			1940	Ikarus built
3540			1940	Ikarus built
3541			1940	Ikarus built
3542			1940	Ikarus built
3543		YU-BAA	1940	Ex RAF L6825
3544		YU-BAB	1940	Ex RAF L6826
3545		YU-BAC	1940	Ex RAF L6827
3546		YU-BAD	1940	Ex RAF L6824
3547		YU-BAE	1940	Ex RAF L6823
3548		YU-BAF	1940	Ex RAF L6817
3549		YU-BAG	1940	Ex RAF L6813
3550		YU-BAH	1940	Ex RAF L6814
3551		YU-BAI	1940	Ex RAF L6833
3552		YU-BAJ	1940	Ex RAF L6834
3553		YU-BAK	1940	Ex RAF L6830
3554		YU-BAL	1940	Ex RAF L6828
3555		YU-BAM	1940	Ex RAF L6829
3556		YU-BAN	1940	Ex RAF L6831
3557		YU-BAO	1940	Ex RAF L6832
3558		YU-BAP	1940	Ex RAF L6820
3559		YU-BAQ	1940	Ex RAF L6821
3560		YU-BAR	1940	Ex RAF L6818
3561		YU-BAS	1940	Ex RAF L6819
3562		YU-BAT	1940	Ex RAF L6822
3563			1940	Blenheim B-4 conv.

References:

• Bristol Aircraft Since 1910 (Putnam, 1988)
• LET No.1 (Yugoslav Aviation Museum)