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Aviation call signs. Aviation call signs or aircraft call signs are communication call signs assigned as unique identifiers referring to an aircraft. Call signs in aviation are derived from several different policies, depending upon the type of flight operation and whether or not the caller is in an aircraft or at a ground facility.
Aviator call sign. An aviator call sign or aviator callsign is a call sign given to a military pilot, flight officer, and even some enlisted aviators. The call sign is a specialized form of nickname that is used as a substitute for the aviator's given name. It is used on flight suit and flight jacket name tags, painted/displayed beneath the ...
During World War I, air transport was used to provide medical evacuation – either from frontline areas or the battlefield itself.. In 1928, in Australia, John Flynn founded the Flying Doctor Service (later the Royal Flying Doctor Service), to provide a wide range of medical services to civilians in remote areas; these included from routine consultations with travelling general practitioners ...
Call signs in the United States. Call signs in the United States are identifiers assigned to radio and television stations, which are issued by the Federal Communications Commission (FCC) and, in the case of most government stations, the National Telecommunications and Information Administration (NTIA). They consist of from 3 to 9 letters and ...
United States. The earliest identification, used in the 1910s and into the early 1920s, was arbitrary. The U.S. government began requiring stations to use three-letter call signs around 1912, but they could be chosen at random. This system was replaced by the basic form of the current system in the early 1920s.
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.
Medical certificates must be regularly revalidated, or renewed if expired. Class 1 certificates require pilots aged 50 and over to have an electrocardiogram every year, and it is recommended that those aged 30-50 have one every two years. Class 1 certificates require pilots to have their hearing tested every 5 years before the age of 40, then ...
Military call signs are call signs (or callsigns) or specialized form of nickname assigned as unique identifiers to military communications. In wartime, monitoring an adversary's communications can be a valuable form of intelligence. Consistent call signs can aid in this monitoring, so in wartime, military units often employ tactical call signs ...