Regarding the civil identification registration letters painted on airliners, up until around 1970(I think) it was mandatory for these to be worn below the port wing and above the starboard wing, as well as either on the rear fuselage or tail fin. Does anyone know exactly when the requirement for the painting of this above the starboard wing was relaxed? Was this decided by the FAA,CAA or IATA perhaps and did this relaxation apply to other civil aircraft, apart from airliners?
By: EGNM - 29th October 2007 at 17:30
I couldn’t tell you when, however I believe the new technologies within ATC equipment and Transponder equipped aircraft, the visual identification of the individual aircraft was no longer required as were in the 50’s and 60’s.
However, I would say the vast majority of European carriers still continue the practice of carrying markings underwing.
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October 28, 2007 at 3:08 pm