1916-Present
The main marking is displayed in 4 positions (ie above and below each wing) of aircraft. The fin flash is displayed on the rudder. The serial number is displayed on the fuselage of aircraft and helicopters and sometimes also on the rudder. From 1953 the main marking and the inscription "FAU" are usually displayed in 2 positions (ie above and below each wing) of aircraft. The fin flash is displayed on the rudder. The serial number is displayed on the fuselage of aircraft and helicopters and sometimes also on the rudder.