The UTVA Aero 3 was a piston-engined military trainer aircraft built in Yugoslavia to replace the Ikarus Aero 2 then in service. One hundred ten were built, in Yugoslav Air Force service from 1958 to mid-1970s. It was superseded by the UTVA 75. Design and development First flown in 1956 the Aero 3 was designed to meet a Yugoslav Air Force requirement for a primary trainer that could also be used in the army co-operation role. The Aero 3 was a low wing cantilever monoplane that seated the student and instructor in tandem under a bubble canopy. Of all wood construction it had a fixed, tailwheel landing gear and powered by a nose-mounted 190 hp (142 kW) Lycoming O-435-A piston engine. Former military operators Yugoslav Air Force Aviation Technical Group of Aviation Training School (1958–1960) Light Combat Aviation Squadron of 3rd Air Command (1959-1961) Light Combat Aviation Squadron of 5th Air Command (1959-1961) Light Combat Aviation Squadron of 7th Air Command (1959-1961) 463rd Light Combat Aviation Squadron (1961-1965) 464th Light Combat Aviation Squadron (1961-1965) 465th Light Combat Aviation Squadron (1961-1965) Letalski center Maribor (Civil operator 1961-2011) Aircraft on display Serbia Museum of Aviation (Belgrade) in Belgrade A UTVA Aero 3 prototype and UTVa Aero 3 are on display Specifications See also References Notes Bibliography External links Photos and drawings at Ugolok Neba Aero 3 1950s Yugoslav military trainer aircraft Low-wing aircraft Single-engined tractor aircraft Aircraft first flown in 1956