ANBO IV aircraft was developed from the training aircraft ANBO III. The design was supervised by colonel Antanas Gustaitis. First flight took place on July 14, 1932 and the prototype was powered by a Wasp engine. Ater successful trials serial production began. Thirteen serial built aircraft was powered by British Bristol Pegasus engines and were manufactured by Lithuanian Aircraft State Factory. It could be armed with two pairs of light machine guns and could carry 200 kg of bombs.
ANBO IVs were introduced into Lithuanian Air Force in 1934 and shortly before that few aircraft made demonstration flights in few European countries: Soviet Union, France, United Kingdom and most Scandinavian countries. Between June 25 and July 29, 1934 three aircraft commanded by colonel Gustaitis flew 10,000 km route.
ANBO IV and ANBO 41 aircraft equipped respectively one and two reconnaissance squadrons in Lithuanian Air Force, at the time of Soviet Occupation of Baltic Republics in the summer of 1940.
Several ANBO-41, operated by the Latvian pilots,  fought with the Luftwaffe on the Eastern Front. The wings had German crosses, and on the rudder , they had a Latvian (red) swastikas on a white background.
A photo exists showing that least one Anbo IV or Anbo 41 survived this period and was operated by the Luftwaffe during the German occupation.

Type 41  Two-seat reconnaissance and light bomber
Engine 1 Bristol Pegasus XXIII
Dimensions Length 8,80 m , height  ,  span 13,20 m , wing area 29,0 m2  ,
Weights Empty 1500 kg , loaded 2300 kg , max. take off weight  
Performance Max.. speed 360 km/h ,  range  800 km, service ceiling  9000 m , climb 6,9 m/sec.
Armament 2 fixed forwardfiring machine guns, 2 flexible machine guns in the rear. Up to 200 kg of bombs
Type Werk.Nr Registration History