It was finally adopted by the International Maritime Organization (“IMO”) in 1965. Because the ITU governs all international radio communications, it was also adopted by most radio operators, whether military, civilian, or amateur. Alfa, Bravo, Charlie, Delta, Echo, Foxtrot, Golf, Hotel, India, Juliett, Kilo, Lima, Mike, November, Oscar, Papa, Quebec, Romeo, Sierra, Tango, Uniform, Victor. The final version of the alphabet was implemented by the International Civil Aviation Organization (“ICAO”) on 1 March 1956, and the International Telecommunication Union (“ITU”) adopted it in 1959 when they mandated its usage via their official publication, Radio Regulations. Juliett is spelled with a tt for French speakers, because they may otherwise treat a single final t as silent. Alfa is spelled with an f as it is in most European languages because the English and French spelling alpha would not be pronounced properly by native speakers of some other languages – who may not know that ph should be pronounced as f. In the official version of the alphabet, the non-English spellings Alfa and Juliett are used. #SPELLING ALPHABET CODE ENGLISH CODE#To create the code, a series of international agencies over many years and multiple iterations assigned 26 code words to the letters of the English alphabet, so that the names for letters and numbers would be distinct enough to be easily understood by those who exchanged voice messages by radio or telephone, regardless of language differences or the quality of the connection. The NATO Phonetic Alphabet is instead a spelling alphabet Phonetic alphabets are used to indicate, through symbols or codes, what a speech sound or letter sounds like. Here is the list of phonetic/spelling alphabets available on Spell Out. The International Radiotelephony Spelling Alphabet, commonly known as the NATO Phonetic Alphabet, is the world’s most widely used radiotelephone alphabet.Ĭontrary to what its name suggests, the NATO Phonetic Alphabet is not technically a phonetic alphabet. So think of this post as a community service. Nevertheless, a NATO unclassified version of the document is provided to foreign, even hostile, militaries, even though they are not allowed to make it publicly available.We hear snippets of it all the time … but not everyone knows of its derivation. However, ATP-1 is marked NATO Confidential (or the lower NATO Restricted) so it is not publicly available. The name NATO phonetic alphabet became widespread because the signals used to facilitate the naval communications and tactics of the United States and NATO have become global. The International Radiotelephony Spelling Alphabet, commonly known as the NATO phonetic alphabet or the ICAO phonetic alphabet, is the most widely used. Because the latter allows messages to be spelled via flags or Morse code, it naturally called the code words used to spell out messages by voice its “phonetic alphabet”. The alphabet’s common name (NATO phonetic alphabet) arose because it appears in Allied Tactical Publication ATP-1, Volume II: Allied Maritime Signal and Maneuvering Book used by all allied navies in NATO, which adopted a modified form of the International Code of Signals. NATO uses the normal English numeric words (Zero, One, with some alternative pronunciations), whereas the IMO uses compound numeric words (Nadazero, Unaone). The same alphabetic code words are used by all agencies, but each agency chooses one of two different sets of numeric code words. It is a subset of the much older International Code of Signals (INTERCO), which originally included visual signals by flags or flashing light, sound signals by whistle, siren, foghorn, or bell, as well as one, two, or three letter codes for many phrases. It is used by many national and international organizations, including the International Civil Aviation Organization (ICAO), the International Telecommunication Union (ITU), the International Maritime Organization (IMO), the North Atlantic Treaty Organisation (NATO), the Federal Aviation Administration (FAA), and the American National Standards Institute (ANSI). The paramount reason is to ensure intelligibility of voice signals over radio links. Instead, the NATO alphabet assigns code words to the letters of the English alphabet acrophonically so that critical combinations of letters (and numbers) can be pronounced and understood by those who transmit and receive voice messages by radio or telephone regardless of their native language, especially when the safety of navigation or persons is essential. The radio phonetic alphabet or spelling alphabet is a set of words that are used to stand for the letters of an alphabet. Though often called “phonetic alphabets”, spelling alphabets have no connection to phonetic transcription systems like the International Phonetic Alphabet. The NATO phonetic alphabet, more formally the international radiotelephony spelling alphabet, is the most widely used spelling alphabet.
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