Phonetic alphabet the nato alphabet became effective in 1956 and, a few years later, turned into the established universal phonetic alphabet for all military, civilian and amateur radio communications. A alpha n november b bravo o oscar c charlie p papa d delta q. The phonetic alphabet for aviation or icao tripsavvy. Cap 4 list of effective pages page v chapterdatechapterdate page page november 2015 chapter 4 7 28 may 2015 chapter 4 8 18 july 20 chapter 4 9 18 july 20. Download pdf army alphabet nato phonetic alphabet chart. Alfa, bravo, charlie, delta, echo, foxtrot, golf, hotel, india, juliett, kilo, lima, mike, november, oscar, papa, quebec. To achieve this, the international civil aviation organization icao has adopted english as the official international language of aviation and, has established the international phonetic alphabet. Aviation phonetic alphabet pilotspeak includes a phonetic alphabet. Doc 9432 manual of radiotelephony linkedin slideshare. The international civil aircraft organisation, icao also uses the international radio phonetic alphabet for radio communications between aircraft and ground as well as many other applications. Icao phraseology reference guide 3 all clear agc safety initiative contents 1. International civil aviation organization icao radiotelephony spelling alphabet a alfa, b bravo, c charlie, d delta, e echo, f foxtrot, g golf, h hotel. The icao phonetic alphabet, also known as the aviation alphabet, keeps communication clear among pilots, air traffic control, the military, and. Alpha bravo charlie delta echo foxtrot golf hotel india juliet kilo lima mike november oscar papa quebec romeo sierra tango uniform victor whiskey xray yankee zulu this alphabet dates from about 1955 and is approved by the international civil aviation organization.
Radiotelephony is an essential part of aviation english. All learning materials are of aviation english asia ltd. Although often called phonetic alphabets, spelling alphabets are unrelated to phonetic. The icao alphabet as its called for short is used to avoid mistakes caused by letters and numbers that. This paper presents an analysis of the existing annex 10 radiotelephony procedure as they relate to amsrs and other digital voice communication systems in which communications use a full duplex telephone. Coast guard stations and vessels at sea use this alphabet frequently over marine radio channels to avoid misunderstanding.
If you are a beginner in aviation, you can learn basic radiotelephony with the articles in this section of the website. Developed by the international civil aviation organization icao in 1956 it was then adopted by many other organizations worldwide, including the north atlantic treaty organization nato, the international maritime organization imo and the american national standards. Its development is related to these various international conventions on radio, including. The phonetic alphabet is a special alphabet used by the us army, and other military branches. Known as the itu recommended phonetics, or the itu standard phonetics allows concise spoken character transmission. Feb 08, 2015 international civil aviation organization icao radiotelephony spelling alphabet a alfa, b bravo, c charlie, d delta, e echo, f foxtrot, g golf, h hotel. Icao radiotelephony alphabet letter word pronunciation a alpha al fah b bravo brah voh c charlie char lee of shar lee d delta dell tah e echo eck oh f foxtrot foks trot. Police alphabet military alphabet for precise military. To avoid confusion, the icao phonetic numbers are used. The final version of the alphabet was implemented by the icao on 1 march 1956 and then adopted shortly after by the itu as they govern all international radio communications, along with also being adopted by all radio operators military, civilian or amateur 2009 3. Aviation phonetic alphabet icao phonetic alphabet pilot.
The international civil aviation organization created the international radiotelephony spelling alphabet, tied to the english alphabet, to ensure that letters are properly pronounced and understood by air traffic controllers and pilots around the world, despite what languages are spoken. More informally, this has become known as the police alphabet and has been picked up by police forces throughout the us. Have the students complete a flight plan using the international phonetic alphabet. The radiotelephony spelling alphabet icao, annex 10, chapter 5 letter word pronunciation morse code a alpha al fah. Nato phonetic alphabet military alphabet for precise. Aviation alphabet for reasons of safety and standardization around the world, all aviation radio communications must be clear and accurate. Aircraft identification federal aviation administration. Icao council establishes covid19 aviation recovery task force international cooperation critical to economic recovery of central american and caribbean aviationcentric national economies potentially 1. The main purpose of the phonetic alphabet is to provide a clearer way of spelling out words, or using any letters or numbers in general, over a radio or other communications device. The icao alphabet as its called for short is used to. The nato phonetic alphabet was developed in the 1950s to avoid the misunderstanding caused by poor radio acoustics where an s and an f for example are easily confused. Phonetic transcription is based on english pronunciation.
The nato phonetic alphabet is a spelling alphabet, a set of words used instead of letters in oral communication i. International language english is the international language of aviation. The international civil aviation organization icao created code words that it connected to the letters of the english alphabet. Nato phonetic alphabet wikipedia republished wiki 2. Lapd radio alphabet, is the term for an old competing. The phonetic alphabet is used primarily used in twoway radio communications. Spelling alphabet wikimili, the best wikipedia reader. A alpha b bravo c charlie d delta e echo f foxtrot g golf h hotel i india j juliet k kilo l lima m mike n november o oscar p papa q quebec r romeo s sierra t tango.
The nato phonetic alphabet is the most widely used radiotelephone spelling alphabet. An alternative name for the icao spelling alphabet, nato phonetic alphabet, exists because it appears in allied tactical publication atp1, volume ii. Aircraft identification activityobjectives tothe phonetic alphabet learn tofamiliar with the air or ground aviation communications become toaboutaircraftidentification learn materials. Allied maritime signal and maneuvering book used by all allied navies of nato, which adopted a modified form of the international code of signals. A alpha n november b bravo o oscar c charlie p papa d. The 26 code words in the nato phonetic alphabet are assigned to the 26 letters of the english alphabet in. The effects of noise, weak signals, distorted audio, and radio operator accent are reduced through use of the phonetic alphabet. The nato phonetic alphabet is a spelling alphabet, a set of words used instead of letters in. Each letter in the phonetic alphabet is actually a word beginning with. This may also be referred to as the nato phonetic alphabet.
It is officially the international radiotelephony spelling alphabet, and also commonly known as the icao phonetic alphabet. Flaghoist communication ships use flags as signals to send out messages to each other. Then, in 1956, after a period of research and testing that included 31 different countries, the icao finalized its radiotelephony spelling alphabet, which would be adopted as the official spelling alphabet of nato and all. Accordingly the radio phonetic alphabet may also be known as the icao phonetic alphabet. Alphabet list, alphabet symbols, quebec, tango, nato phonetic alphabet, ham radio operator, printable calendar template, things to know, teaching resources. I glossarv 15 high frequency 3 to 30 mhz ifr lnstrument flight rules ils lnstrument landing system imc lnstrument meteorological conditions ins inertial navigation system loran long range air navigation system met meteorological or meteorology mls microwave landing system mnps minimum navigation performance specifications ndb non. Phonetic alphabet grand rapids sail and power squadron. After wwii, the major work in producing a better spelling alphabet was conducted by the icao, which was subsequently adopted in modified form by the itu and imo. Pronunciation of numbers used flight operations is very important. This document uses rtf examples showing both pilot denoted by blue italic text and atco denoted by grey text. Itu phonetic alphabet letter to be transmitted code word to be used spoken as a alfa al fah b bravo brah voh c charlie char lee or shar lee d delta dell tah e echo eck oh f foxtrot foks trot g golf golf h hotel hoh tell i india in dee ah j juliett jew lee ett k kilo key loh l lima lee mah m mike mike n november no vem ber o oscar oss cah p.
This system of spelling letters is used around the world by maritime units, aircraft, amateur radio operators and the military. Radio communications are a critical link in the atc system. The nato phonetic alphabet, officially denoted as the international radiotelephony spelling alphabet, and also commonly known as the icao phonetic alphabet, and in a variation also known officially as the itu phonetic alphabet and figure code, is the most widely used radiotelephone spelling alphabet. Nato phonetic alphabet a alpha n november b bravo o oscar c charlie p papa d delta q quebec e echo r romeo f foxtrot s sierra g golf t tango h hotel u uniform i india v victor j juliet w whiskey k kilo x xray l lima y yankee m mike z zulu. The purpose of the alpha bravo charlie code was to allow individuals who were communicating by radio or telephone to understand each other even if. Allied military phonetic spelling alphabets wikipedia. The nato phonetic alphabet, more formally the international radiotelephony spelling alphabet, is the most widely used spelling alphabet. More information on natos codes, signals and standards can be found on the nato. The link can be a strong bond between pilot and controller or it can be broken with surprising speed and disastrous results. Nov 30, 2010 aviation phonetic alphabet pilotspeak includes a phonetic alphabet. Aviation phonetic alphabet phonetic alphabet overview.
International civil aviation organization icao phonetic alphabet illustrated below has been adopted internationally for this purpose. Each word code word stands for its initial lette r alphabetical symbol. Like the phonetic alphabet developed by the icao, the lapd radio alphabet replaces letters in a message with names and words, in order to ensure accuracy in understanding. Flaghoist communication ships use flags as signals to send. Consequently, after further study and testing among the 31 icao member countries, the current alphabet was officially introduced on the 1 march. Phonetic alphabet the nato phonetic alphabet for teaching. The phonetic alphabet is not only used by the military, but also by pilots, air traffic controllers, and customer service agents within the airlines. The icao radiotelephony spelling alphabet of the international civil aviation organization. This is based on the icao international civil aviation organization standardized phonetic alphabet. The phonetic alphabet mid sussex amateur radio society. Numbers are particularly important for flight levels, headings, speeds, fuel quantities and weather information. In the world of aviation, there is a different way of learning your abcs. Nato phonetic alphabet alpha, bravo charlie, delta. Nov 19, 20 i glossarv 15 high frequency 3 to 30 mhz ifr lnstrument flight rules ils lnstrument landing system imc lnstrument meteorological conditions ins inertial navigation system loran long range air navigation system met meteorological or meteorology mls microwave landing system mnps minimum navigation performance specifications ndb non.
This alphabet assigns names to letters of the alphabet for clearer enunciation and for the same reason pronounces the numeral 9 as niner. The nato phonetic alphabet or more formally the international. Alphabet international civil aviation organization. Icao standard phraseology a quick reference guide for.
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