![](http://www.alamy.com/thumbs/6/E090C7B4-E49E-4362-AAAE-B18FFCD91CF9/2PYNX0K.jpg)
Avia (so called II version) of the Flight 40 of the Air Regiment 4 of the Czechoslovak Army Air Force, May 1938
Size: 5803px × 2753px
Photo credit: © Martin Čížek / Alamy / Afripics
License: Royalty Free
Model Released: No
Keywords: -534, .534, ., 1930s, 4, 40, 1938, 40th, 4th, 534, aeronautics, aerospace, air, aircraft, airplane, army, artworkaviation, avia, aviation, biplane, crisis, csr, czech, czechoslovak, czechoslovakia, engine, fighter, flight, flying, force, historic, history, illustration, munich, paint, piston, plane, propellers, regiment, single, sudeten, transportation, warplane, Čsr