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An aircraft type designator is a two-, three- or four-character alphanumeric code designating every aircraft type (and some sub-types) that may appear in flight planning. These codes are defined by both the International Civil Aviation Organization (ICAO) and the International Air Transport Association (IATA).
The registration often denotes the aircraft type and maker. Some examples: HB-Axx two-engined aircraft from 5.7 to 15 tons, Aircraft over 15 tons due to shortage of Jxx. HB-Bxx balloons; HB-Cxx single-engined Cessnas under 5.7 tons; HB-Dxx and HB-Kxx other single-engined aircraft under 5.7 tons; HB-Fxx Swiss-produced aircraft like PC-6 and PC-12
The registration identifier must be displayed prominently on the aircraft. [3] Most countries also require the registration identifier to be imprinted on a permanent fireproof plate mounted on the fuselage in case of a post-fire/post-crash aircraft accident investigation. Most nations' military aircraft typically use tail codes and serial ...
The U.S. Navy introduced the identification system of tail and wing letter codes for its aircraft in July 1945. This system was intended to replace the set of geometrical symbols employed for the similar purpose since January 1945. When introduced, tail codes were only given to aircraft carriers.
Only those designated after 1962 are listed here. Some aircraft did not have military sponsors, but since they were designated under the same sequence they are listed here. For aircraft in the sequence designated before 1962, see List of United States Air Force aircraft designations (1919–1962) § X: Special Research/Experimental (1948–1962).
An equipment code describes the communication (COM), navigation (NAV), approach aids and surveillance transponder equipment on board an aircraft.These alphabetic codes are used on FAA and ICAO flight plan forms to aid flight service station (FSS) personnel in their handling of aircraft.
The codes are in the form of two letters and/or digits which are appended to the aircraft's model designator, as seen in the following examples: A Boeing 377-10 ordered by Pan American World Airways with customer code 26 would be designated 377-10-26.
This is a list of all airline codes. The table lists the IATA airline designators , the ICAO airline designators and the airline call signs (telephony designator). Historical assignments are also included for completeness.