The Aero 145 is a later version of Aero 45 model. It's a twin piston-engined civil utility aircraft produced in Czechoslovakia after World War II. It was the first product of the nation's post-war aviation industry and proved a great success, with many of the 590 produced exported.
Aero 45 - First production version built in Aero factory, 200 built between 1948 - 1951.
Aero 45S "Super Aero" - Improved variant produced by Let in Kunovice factory, better navigational equipment. 228 aircrafts produced between 1954 - 1959.
Aero 145 - Version with engines changed to supercharged Motorlet (Walter) M332, produced later as Avia M332s. Developed by Let, 162 aircraft between 1959 - 1963.