![]() law enforcement radiotelephony spelling alphabets ĪPCO's Project 14 updated the definition of Ten-codes, and also adopted the international radiotelephony spelling alphabet for use by law enforcement nationwide. For example, the license plate "8QXG518" might be read by a civilian as "eight cue ex gee five eighteen" but with accuracy being paramount, the police dispatcher would say "eight queen x-ray george five one eight." Despite the development in 1941 of the Joint Army/Navy Phonetic Alphabet and its replacement, circa 1956, by the NATO phonetic alphabet (currently used by all NATO armed forces, civil aviation, telecommunications, and some law enforcement agencies), the LAPD and other law enforcement and emergency service agencies throughout the United States continue to use their traditional system. Saint Paul, Minnesota Police Department Īt some point in the early history of emergency service mobile radio systems, the LAPD adopted the APCO radio spelling alphabet for relaying precise information on individual letters.A partial list of police departments using the modern APCO/ICAO spelling alphabet includes: However, most police departments nationwide have kept using the 1940 APCO spelling alphabet, with those using the 1974 APCO spelling alphabet being the exception, rather than the rule. In 1974, APCO adopted the ICAO International Radiotelephony Spelling Alphabet, replacing the Adam-Boy-Charlie alphabet APCO first published in 1940. Replacement with international spelling alphabet The resulting final list differs from the Bell Telephone word list by only five words, and from the Western Union word list by only eight words. Lists used by military services were excluded because of a lack of permission to reproduce. The questionnaire solicited suggestions, but also included the existing Western Union and Bell Telephone word lists, plus another list then in general use by a number of police stations. The list was based on the results of questionnaires sent out by the Procedures Committee to all zone and interzone police radio stations. ![]() By this point, APCO President Herb Wareing "came out in favor of a standard list of words for alphabet letters, preferably suitable for both radiophone and radiotelegraph use." The APCO first suggested that its Procedure and Signals Committee work out a system for a "standard set of words representing the alphabet should be used by all stations" in its April 1940 newsletter. 2 Replacement with international spelling alphabet.P ronouncing numbers similar to regular English, with a few exceptions: “ Delta”, and spell you name the same way. The airline alphabet code, it is easy, you will say my booking code is “ Bravo” “ Victor” “ Five” “ NIN-ER” To transmitting the correct words and numbers. Services ask you to spell out your booking code “ bv59d” or even your name “ maged ”. Let us Imagine that the airline's customer If you are not an airline employee, and you want toĬonfirm your booking status. Pilot Alphabet is called flight Alphabet. ”Įxample, if the pilot read the records of wind direction and speed " 200 degrees 70 knots ", it will be transmitted as, “ wind “two” “zero” “zero” degrees “seven” “zero” knots ” Locator is “ SBRZH ”, it will be transmitted as it’s “ Sierra, Bravo, ROMEO, Zulu and Hotel. Transmitted as, “ Alpha, Bravo, Charlie, Delta, EchoĪnd Foxtrot. Out in radiotelephony the aviation alphabet is use.įor example, if the pilot read the record locator “ ABCDEF ,” it will be Service abbreviations and words of which the spelling is doubtful are spelled Must be in compliance with word spelling in radiotelephony. (since a B, P, T, and V sound hauntingly similar when spoken). In this article, you will understand aviation alphabet Standard phonetic alphabet for aviation use to help avoid confusion with March 1956 the International Civil Aviation Organization (ICAO) adopted a The reason of using Airline Alphabet is to avoid pilotsĪnd controllers mishearing each other and potentially creating an accident. The Airline Alphabet Code is used by Pilots, Flightĭispatcher, flight crew controllers, Air Traffic Controllers, and Customer In aviation, there is a different way of learning English letters.
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