Code word for the letters

Communication Code Words For The Letters Of The Alphabet : What Are The Communication Code Words For The Letters Of The Alphabet I Did Not Know That Yesterday / Want to narrow your search for a certain length of the word or, even it will transform your letters into words in no time.. You can learn english alphabet and letters with vocabulary games, images, audio, tests and the phonetic alphabet is the list of symbols or codes that shows what a speech sound or letter sounds this exercise tests your spelling ability of the alphabet. Here is a comprehensive list of words containing each letter of the alphabet. When we use the letters in words, they often have a different sound. It is your first step in the path to speak the russian language and in this article we will help you to begin. Begin by writing down the alphabet in order on a piece of paper (or use the one below).

You can also practice your pronunciation by using the recording function! A oscar is the nato alphabet word for o. The word hello in binary code is: Below, you can listen to how we say the letters of the alphabet. Fancy letters generator for cool fonts.

Today, the nato phonetic alphabet is used for radio communication by aviation and maritime industries. A member of a legislative body who organizes his or her party’s activities. Below, you can listen to how we say the letters of the alphabet. Which of the following programs does not print the first five letters of the alphabet, each on its own what function should be used in the blank to capitalize the first letter of the word stored in word returns the same sentence, but replaces every space with the letter char. In this code, each letter in the code stands for a different real letter. It’s also used by the military and police, by phone technicians. All of coupon codes are verified and tested today! A stands for z b stands for y c stands for x.

Public static void main(string args) throws ioexception {.

Apple alphabet code use the alphabet code to find the secret message about apples. I was told today that there is a commonly accepted list of words that are used to identify a letter in the i was studying once different coding systems, and i think this was just for the telegraph, for the the military accepted this alphabet because it is the least prone to errors and very crisp, and. Here we have presented a large collection of materials for all letters (a to z) in the alphabet. To create the alphabet, the international civil aviation organization (icao) assigned codewords acrophonically to the letters of the english alphabet, so. An apple a day keeps the doctor away. compare and contrast computer terms containers cows d day of the dead dinosaurs dogs dolch words dolphins dragons drawing ducks dutch language e. How many 4 letter words (strings of letters) can be formed using the letters a, b, c, d, and e if by the way, if you take a list of all the possible words that can be formed with 26 letters, sort them by size, and any alphabet is just a way to capture the sounds of an unbounded system of communication. Today, the nato phonetic alphabet is used for radio communication by aviation and maritime industries. Fancy letters generator for cool fonts. The nato phonetic alphabet is a spelling alphabet, a set of words used instead of letters in oral communication (i.e. In this unit, we will show you how to pronounce each letter of the alphabet, as you would discover the english alphabet and listen to the pronunciation of each letter. How do you use the word a code in a sentence? Combined together, letters can form all the words in the english language, building this way the basis for communication. See the best & latest code words for alphabet letters on iscoupon.com.

An apple a day keeps the doctor away. compare and contrast computer terms containers cows d day of the dead dinosaurs dogs dolch words dolphins dragons drawing ducks dutch language e. Want to narrow your search for a certain length of the word or, even it will transform your letters into words in no time. It is your first step in the path to speak the russian language and in this article we will help you to begin. Alphaa code word for the letter a bravoa code word for the letter b charliea code word for the letter c deltaa code word for the letter d echocode word for the letter e word of the day. The shifted alphabet code is very very easy to do.

Which of the following programs does not print the first five letters of the alphabet, each on its own what function should be used in the blank to capitalize the first letter of the word stored in word returns the same sentence, but replaces every space with the letter char. How do you use the word a code in a sentence? Here we have presented a large collection of materials for all letters (a to z) in the alphabet. How to learn russian alphabet sounds and letters in one day. You can find the binary encoding for all the letters of the alphabet (both uppercase and lowercase letters) at convertbinary.com. An apple a day keeps the doctor away. compare and contrast computer terms containers cows d day of the dead dinosaurs dogs dolch words dolphins dragons drawing ducks dutch language e. Want to narrow your search for a certain length of the word or, even it will transform your letters into words in no time. Clearly, to obtain the code, the first letter of the word mention is moved one step backwards and the remaining.

You can find the binary encoding for all the letters of the alphabet (both uppercase and lowercase letters) at convertbinary.com.

A word for messages or communications written on paper; The letters of the alphabet appear. Learning alphabet is the first step to master english. A stands for z b stands for y c stands for x. To create the alphabet, the international civil aviation organization (icao) assigned codewords acrophonically to the letters of the english alphabet, so. Java program to arrange the letters of a word in alphabetical order. Learning russian alphabet pronunciation includes both the names of the letters and sounds. Public static void main(string args) throws ioexception {. The letters w and r themselves represent consonant sounds, but can be used as part of digraphs that denote vowel sounds. An apple a day keeps the doctor away. compare and contrast computer terms containers cows d day of the dead dinosaurs dogs dolch words dolphins dragons drawing ducks dutch language e. Combined together, letters can form all the words in the english language, building this way the basis for communication. You can also practice your pronunciation by using the recording function! I’m not sure i understand the first part of your question but, if you want to find out the letter of the alfabet, you could do this:

In this unit, we will show you how to pronounce each letter of the alphabet, as you would discover the english alphabet and listen to the pronunciation of each letter. Clearly, to obtain the code, the first letter of the word mention is moved one step backwards and the remaining. In this code, each letter in the code stands for a different real letter. It is your first step in the path to speak the russian language and in this article we will help you to begin. Apple alphabet code use the alphabet code to find the secret message about apples.

A word for the written representation of the sounds of human speech; Fancy letters generator for cool fonts. In this unit, we will show you how to pronounce each letter of the alphabet, as you would discover the english alphabet and listen to the pronunciation of each letter. In this code, each letter in the code stands for a different real letter. These alphabets — also called spelling alphabets — replace the 26 letters of the english alphabet with 26 code words. Here we have presented a large collection of materials for all letters (a to z) in the alphabet. You can also practice your pronunciation by using the recording function! How do you use the word a code in a sentence?

It’s also used by the military and police, by phone technicians.

All of coupon codes are verified and tested today! You can learn english alphabet and letters with vocabulary games, images, audio, tests and the phonetic alphabet is the list of symbols or codes that shows what a speech sound or letter sounds this exercise tests your spelling ability of the alphabet. The nato phonetic alphabet is a spelling alphabet, a set of words used instead of letters in oral communication (i.e. In the english letter, diacritical ampersand & until the xix century was part of the alphabet. The letters w and r themselves represent consonant sounds, but can be used as part of digraphs that denote vowel sounds. The shifted alphabet code is very very easy to do. When we use the letters in words, they often have a different sound. See the best & latest code words for alphabet letters on iscoupon.com. I was told today that there is a commonly accepted list of words that are used to identify a letter in the i was studying once different coding systems, and i think this was just for the telegraph, for the the military accepted this alphabet because it is the least prone to errors and very crisp, and. The pronunciation of individual letters and letters within words. I would begin by finding the letter h, then counting foward three letters, to get the letter k. What does this function do. How many 4 letter words (strings of letters) can be formed using the letters a, b, c, d, and e if by the way, if you take a list of all the possible words that can be formed with 26 letters, sort them by size, and any alphabet is just a way to capture the sounds of an unbounded system of communication.

Codes Using Letters for Letters are basically what they say they are — codes in which letters are used to represent other letters. In the past, codes were used to pass on secret messages so that anybody unfamiliar with the code could not read the meaning of the message. That’s exactly how Letters for Letters codes work in Verbal Reasoning – though they should be much easier to decipher!

How Are Letters for Letters Codes Used In The Exam?

There are three different formats codes take in the Verbal Reasoning Exam. Codes in which letters are represented by other letters are slightly different to the other two, which we will look at in later exam illustrations.

In Letters for Letters codes, candidates are shown a five-letter word, along with its representation in a code, which looks like a random combination of letters. They are then shown another five-letter word and asked to find the way this word is shown in the same code.

Occasionally, the questions may be reversed and, rather than being asked to find how a word would be formed as a code, candidates are instead shown a coded word and asked to decipher it.

Let’s look at some examples of codes using letters for letters:

Example Question One

If the code for CREAM is DSFBN then what is the code for BANKS?

So how can the code be worked out? The transposition of letters is what it’s all about; crack the code of how many places are being moved along the alphabet and you’ll probably be able to see the answer.

In this type of question, relate the first letter of the first word, ‘cream’, to the first letter of the second word, ‘dsfbn’.

Next, look at the second letter of each. As you will find, this is a simple code where each of the code letters is one along in the alphabet from the original. In other words, C becomes D, R becomes S and so on. This is pretty straightforward — there won’t be anything quite so easy in the real test!

Now we can work out the answer – B must become C, A becomes B, N becomes O, K becomes L and S becomes T. The code for BANKS is therefore CBOLT. Remember, the ‘code’ does not have to make sense as a word!

Example Question Two

If the code for BOOK is AQNM then what is the code for TYPE?

Let’s start by dealing with it letter by letter and applying the same rule for the first pair of words to the second:

As you can see, the pattern is not simple like it was in example one. However, it does follow a regular pattern, albeit an alternating one. If we apply a similar rule for each letter of TYPE then we get the following:

Again, be aware that the alphabet in these questions is a loop – go one letter back from A and you get Z! The answer to the question is SAOG.

Don’t forget that, as it is a ‘code’ that we are looking for, there is no need to be finding a legitimate ‘word’ as the answer. If there was a question working the other way round, and you had a code but needed to find a ‘word’, then you must check that it is a recognisable word!

Example Question Three

If the code for TIME is SGJA then what is LYFH the code for?

Let’s apply the same process as we did in the previous example but this time we need to do things in reverse to find the answer.

The first code letter — S — is one back from T. The second is two back, then three, then four. In order to find the answer, we need to go from the new code back to the word it must represent. Therefore, we have to go in reverse. Instead of reaching the code we need to reach the word that created it.

To find the first letter, we must add one back on to the code letter ‘L’. The second letter is found by adding two back on to ‘Y’ (remembering that the alphabet is on a loop).

The answer will look like this:

Therefore, the answer is M A I L.

Sample Tests

So, now that you have learnt how to crack letter for letter codes in Verbal Reasoning, it’s time to put your child to the test.

There are four quizzes on the Education Quizzes site devoted specifically to this type of question. Try them with your child. If necessary, show them the tips we have learned in this lesson to guide them.

You’ll find the quizzes in our Eleven Plus Verbal Reasoning section or, alternatively, you can follow these links:

Related Words 1

Related Words 2

Related Words 3

Related Words 4

The more familiar your child becomes with deciphering codes, the less intimidating they will find these question when they come to face them. Practise is key so, happy code-cracking!

You can make a code based on a special code word which only you know about. We’ve chosen the word «XYLOPHONE». So first of all we write down the normal alphabet (it’s called the Plain Text alphabet), and below it we write the Code alphabet, starting with the codeword, and following the codeword with the rest of the alphabet.

But there’s a trick to this — remember that you don’t want repeated letters! So you have to leave out the seond O in XYLOPHONE, and when you get to the normal alphabet you write down ABCDFGI… leaving out the E, the H, and any other letters in the codeword.

So here’s what the alphabet looks like when you’re finished:

Plain text: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Code: X Y L O P H N E A B C D F G I J K M Q R S T U V W Z

When you’re solving this code, remember to look up the letter in the Code alphabet. So the letter S is decoded as U, because U is above S.

QLISR is decoded as SCOUT

Here’s a code for you to solve:

Codeword XYLOPHONE

YMAGN WISM YALWLDP XGO X YXLCJXLC

And another one, with a new codeword:

Codeword SMYTHE

PYKRQ SPPKYCSQCKJ KE PKRQB SEOCYS

The (International) Radiotelephony Spelling Alphabet, commonly known as the NATO phonetic alphabet, is the most widely used set of clear code words for communicating the letters of the Roman alphabet. Technically a radiotelephonic spelling alphabet, it goes by various names, including NATO spelling alphabet, ICAO phonetic alphabet and ICAO spelling alphabet. The ITU phonetic alphabet and figure code is a rarely used variant that differs in the code words for digits.

To create the code, a series of international agencies assigned 26 code words acrophonically to the letters of the Roman alphabet, with the intention of the letters and numbers being easily distinguishable from one another over radio and telephone, regardless of language barriers and connection quality. The specific code words varied, as some seemingly distinct words were found to be ineffective in real-life conditions. In 1956, NATO modified the then-current set of code words used by the International Civil Aviation Organization (ICAO); this modification then became the international standard when it was accepted by ICAO that year and by the International Telecommunication Union (ITU) a few years later.^[1] The words were chosen to be accessible to speakers of English, French and Spanish.

Although spelling alphabets are commonly called «phonetic alphabets», they should not be confused with phonetic transcription systems such as the International Phonetic Alphabet.

The 26 code words are as follows (ICAO spellings): Alfa, Bravo, Charlie, Delta, Echo, Foxtrot, Golf, Hotel, India, Juliett, Kilo, Lima, Mike, November, Oscar, Papa, Quebec, Romeo, Sierra, Tango, Uniform, Victor, Whiskey, X-ray, Yankee, Zulu.^[2] «Alfa» and «Juliett» are intentionally spelled as such to avoid mispronunciation; NATO would do the same with «Xray».^[3] Numbers are spoken as English digits, but with the pronunciations of three, four, five, nine, and thousand modified.^[4]

The code words are fairly stable. A 1955 NATO memo stated that:

It is known that [the spelling alphabet] has been prepared only after the most exhaustive tests on a scientific basis by several nations. One of the firmest conclusions reached was that it was not practical to make an isolated change to clear confusion between one pair of letters. To change one word involves reconsideration of the whole alphabet to ensure that the change proposed to clear one confusion does not itself introduce others.^[5]

International adoption[edit]

Soon after the code words were developed by ICAO (see history below), they were adopted by other national and international organizations, including the ITU, the International Maritime Organization (IMO), the United States Federal Government as Federal Standard 1037C: Glossary of Telecommunications Terms^[6] and its successors ANSI T1.523-2001^[7] and ATIS Telecom Glossary (ATIS-0100523.2019)^[8] (all three using the spellings «Alpha» and «Juliet»), the United States Department of Defense,^[9] the Federal Aviation Administration (FAA) (using the spelling «Xray»), the International Amateur Radio Union (IARU), the American Radio Relay League (ARRL), the Association of Public-Safety Communications Officials-International (APCO), and by many military organizations such as NATO (using the spelling «Xray») and the now-defunct Southeast Asia Treaty Organization (SEATO).

The same alphabetic code words are used by all agencies, but each agency chooses one of two different sets of numeric code words. NATO uses the regular English numeric words (zero, one, two &c., though with some differences in pronunciation), whereas the ITU (beginning on 1 April 1969)^[10] and the IMO define compound numeric words (nadazero, unaone, bissotwo &c.). In practice these are used very rarely, as they are not held in common between agencies.

Usage[edit]

A spelling alphabet is used to spell parts of a message containing letters and numbers to avoid confusion, because many letters sound similar, for instance «n» and «m» or «f» and «s»; the potential for confusion increases if static or other interference is present. For instance the message «proceed to map grid DH98» could be transmitted as «proceed to map grid Delta-Hotel-Niner-Ait». Using «Delta» instead of «D» avoids confusion between «DH98» and «BH98» or «TH98». The unusual pronunciation of certain numbers was designed to reduce confusion as well.

In addition to the traditional military usage, civilian industry uses the alphabet to avoid similar problems in the transmission of messages by telephone systems. For example, it is often used in the retail industry where customer or site details are spoken by telephone (to authorize a credit agreement or confirm stock codes), although ad-hoc coding is often used in that instance. It has been used often by information technology workers to communicate serial or reference codes (which are often very long) or other specialised information by voice. Most major airlines use the alphabet to communicate passenger name records (PNRs) internally, and in some cases, with customers. It is often used in a medical context as well, to avoid confusion when transmitting information.

Several letter codes and abbreviations using the spelling alphabet have become well-known, such as Bravo Zulu (letter code BZ) for «well done»,^[11] Checkpoint Charlie (Checkpoint C) in Berlin, and Zulu Time for Greenwich Mean Time or Coordinated Universal Time. During the Vietnam War, the U.S. government referred to the Viet Cong guerrillas and the group itself as VC, or Victor Charlie; the name «Charlie» became synonymous with this force.

Pronunciation of code words[edit]

The final choice of code words for the letters of the alphabet and for the digits was made after hundreds of thousands of comprehension tests involving 31 nationalities. The qualifying feature was the likelihood of a code word being understood in the context of others. For example, Football has a higher chance of being understood than Foxtrot in isolation, but Foxtrot is superior in extended communication.^[12]

Pronunciations were set out by the ICAO before 1956 with advice from the governments of both the United States and United Kingdom.^[13] To eliminate national variations in pronunciation, posters illustrating the pronunciation desired by ICAO are available.^[14] However, there remain differences in the pronunciations published by ICAO and other agencies, and ICAO has apparently conflicting Latin-alphabet and IPA transcriptions. At least some of these differences appear to be typographic errors. In 2022 the Deutsches Institut für Normung (DIN) attempted to resolve these conflicts.^[15]

Just as words are spelled out as individual letters, numbers are spelled out as individual digits. That is, 17 is rendered as «one seven» and 60 as «six zero», though thousand is also used, and for whole hundreds (when the sequence 00 occurs at the end of a number), the word hundred may be used. That is, 1300 may be read as «one three zero zero» (e.g. as a transponder code) or as «one thousand three hundred» (e.g. as an altitude or distance).

The ICAO, NATO, and FAA use modifications of English digits as code words, with 3, 4, 5 and 9 being pronounced tree, fower (rhymes with lower), fife and niner. The digit 3 is specified as tree so that it is not pronounced sri; the long pronunciation of 4 (still found in some English dialects) keeps it somewhat distinct from for; 5 is pronounced with a second «f» because the normal pronunciation with a «v» is easily confused with «fire» (a command to shoot); and 9 has an extra «r» to keep it distinct from the German word nein «no». (Prior to 1956, three and five had been pronounced with the English consonants, but as two syllables.)
For direction presented as the hour-hand position on a clock, «ten», «eleven» and «twelve» may be used with «o’clock».^{[14]: 5–7}

The ITU and IMO, however, specify a different set of code words. These are compounds of the ICAO words with a Latinesque prefix.^[16]
The IMO’s GMDSS procedures permits the use of either set of code words.^[16]

Tables[edit]

There are two IPA transcriptions of the letter names, from the International Civil Aviation Organization (ICAO) and the Deutsches Institut für Normung (DIN). Both authorities indicate that a non-rhotic pronunciation is standard. That of the ICAO, first published in 1950 and reprinted many times without correction (vd. the error in ‘golf’), uses a large number of vowels. For instance, it has six low/central vowels: [æ a aː ɑ ɑː ə]. The DIN consolidated all six into the single low-central vowel [a]. The DIN vowels are partly predictable, with [ɪ ɛ ɔ] in closed syllables and [i e/ei̯ o] in open syllables apart from echo and sierra, which have [ɛ] as in English, German and Italian. The DIN also reduced the number of stressed syllables in bravo and x-ray, consistent with the ICAO English respellings of those words and with the NATO change of spelling of x-ray to xray so that people would know to pronounce it as a single word.

Letter code words with pronunciation

Symbol	Code word	DIN 5009 (2022) IPA[15]	ICAO (1950)[14]
IPA	respelling
A	Alfa [sic]	ˈalfa	ˈælfa	AL fah
B	Bravo	ˈbravo	ˈbraːˈvo [sic]	BRAH voh
C	Charlie	ˈtʃali or ˈʃali	ˈtʃɑːli or ˈʃɑːli	CHAR lee or SHAR lee
D	Delta	ˈdɛlta	ˈdeltɑ	DELL tah
E	Echo	ˈɛko	ˈeko	ECK oh
F	Foxtrot	ˈfɔkstrɔt	ˈfɔkstrɔt	FOKS trot
G	Golf	ˈɡɔlf	ɡʌlf [sic]	golf
H	Hotel	hoˈtɛl	hoːˈtel	ho TELL
I	India	ˈɪndia	ˈindi.ɑ	IN dee ah
J	Juliett [sic]	ˈdʒuliˈɛt	ˈdʒuːli.ˈet	JEW lee ETT
K	Kilo	ˈkilo	ˈkiːlo	KEY loh
L	Lima	ˈlima	ˈliːmɑ	LEE mah
M	Mike	ˈmai̯k	mɑik	mike
N	November	noˈvɛmba	noˈvembə	no VEM ber
O	Oscar	ˈɔska	ˈɔskɑ	OSS cah
P	Papa	paˈpa	pəˈpɑ	pah PAH
Q	Quebec	keˈbɛk [sic]	keˈbek	keh BECK
R	Romeo	ˈromio	ˈroːmi.o	ROW me oh
S	Sierra	siˈɛra	siˈerɑ	see AIR rah
T	Tango	ˈtaŋɡo	ˈtænɡo	TANG go
U	Uniform	ˈjunifɔm or ˈunifɔm	ˈjuːnifɔːm or ˈuːnifɔrm [sic]	YOU nee form or OO nee form
V	Victor	ˈvɪkta	ˈviktɑ	VIK tah
W	Whiskey	ˈwɪski	ˈwiski	WISS key
X	Xray, x-ray	ˈɛksrei̯	ˈeksˈrei [sic]	ECKS ray
Y	Yankee	ˈjaŋki	ˈjænki	YANG key
Z	Zulu	ˈzulu	ˈzuːluː	ZOO loo

There is no authoritative IPA transcription of the digits. However, there are respellings into both English and French, which can be compared to clarify some of the ambiguities and inconsistencies.

Digit code words with pronunciation

Symbol	Code word	Respellings
ICAO[14] (English)	SIA[17] (French)	CCEB 2016[18]	FAA[19]	ITU-R 2007 (WRC-07)[20] IMO (English)[21]	IMO (French)[21]	U.S. Navy 1957[22]	U.S. Army[23]
1	One, unaone	WUN	OUANN [ˈwan]	wun	wun	OO-NAH-WUN	OUNA-OUANN	wun	wun, won (USMC)[24]
2	Two, bissotwo	TOO /ˈtuː/	TOU [ˈtu]	too	too	BEES-SOH-TOO	BIS-SO-TOU	too	too
3	Three, terrathree	TREE /ˈtriː/	TRI [ˈtri]	tree	tree	TAY-RAH-TREE	TÉ-RA-TRI	thuh-ree	tree
4	Four, kartefour	FOW-er /ˈfoʊ.ə/	FO eur [ˈfo.ør]	FOW-er	fow-er	KAR-TAY-FOWER	KAR-TÉ-FO-EUR	fo-wer	fow-er
5	Five, pantafive	FIFE /ˈfaɪf/	FA ÏF [sic] [ˈfaif]	fife	fife	PAN-TAH-FIVE	PANN-TA-FAIF	fi-yiv	fife
6	Six, soxisix	SIX /ˈsɪks/	SIKS [ˈsiks]	six	six	SOK-SEE-SIX	SO-XI-SICKS	six	six
7	Seven, setteseven	SEV-en /ˈsɛv(ə)n/	SÈV n [ˈsɛv.n]	SEV-en	sev-en	SAY-TAY-SEVEN	SÉT-TÉ-SEV’N [sic]	seven	sev-en
8	Eight, oktoeight	AIT /ˈeɪt/	EÏT [ˈeit]	ait	ait	OK-TOH-AIT	OK-TO-EIT	ate	ait
9	Nine, novenine[25]	NIN-er /ˈnaɪnə/	NAÏ neu [ˈnainø]	NINE-er	nin-er	NO-VAY-NINER	NO-VÉ-NAI-NEU	niner	nin-er
0	Zero, nadazero	ZE-RO[26] /ˈziːˈroʊ/	ZI RO [ˈziˈro]	ZE-ro	ze-ro / zee-ro	NAH-DAH-ZAY-ROH[27][28]	NA-DA-ZE-RO[27][28]	zero	ze-ro
00	Hundred	HUN-dred /ˈhʌndrɛd/	HUN-dred [ˈœ̃drɛd]	(zero zero)	(hundred)			hun-dred
000	Thousand	TOU-SAND[26] /ˈtaʊˈzænd/	TAOU ZEND [ˈtauˈzɑ̃d]	(zero zero zero)	(thousand)			thow-zand	tou-sand
(decimal point)	Decimal, (FAA) point	DAY-SEE-MAL[26] /ˈdeɪˈsiːˈmæl/	DÈ SI MAL [ˈdeˈsiˈmal]	(decimal)	(point)	DAY-SEE-MAL	DÉ-SI-MAL

CCEB code words for punctuation include:

.	stop (when not a decimal point)
,	comma (when not a decimal point)
—	hyphen (FAA ‘dash’)
/	slant
(	brackets on
)	brackets off

Others are: ‘colon’, ‘semi-colon’, ‘exclamation mark’, ‘question mark’, ‘apostrophe’, ‘quote’ and ‘unquote’.^[18]

History[edit]

Prior to World War I and the development and widespread adoption of two-way radio that supported voice, telephone spelling alphabets were developed to improve communication on low-quality and long-distance telephone circuits.

The first non-military internationally recognized spelling alphabet was adopted by the CCIR (predecessor of the ITU) during 1927. The experience gained with that alphabet resulted in several changes being made during 1932 by the ITU. The resulting alphabet was adopted by the International Commission for Air Navigation, the predecessor of the ICAO, and was used for civil aviation until World War II.^[13] It continued to be used by the IMO until 1965.

Throughout World War II, many nations used their own versions of a spelling alphabet. The U.S. adopted the Joint Army/Navy radiotelephony alphabet during 1941 to standardize systems among all branches of its armed forces. The U.S. alphabet became known as Able Baker after the words for A and B. The Royal Air Force adopted one similar to the United States one during World War II as well. Other British forces adopted the RAF radio alphabet, which is similar to the phonetic alphabet used by the Royal Navy during World War I. At least two of the terms are sometimes still used by UK civilians to spell words over the phone, namely F for Freddie and S for Sugar.

To enable the U.S., UK, and Australian armed forces to communicate during joint operations, in 1943 the CCB (Combined Communications Board; the combination of US and UK upper military commands) modified the U.S. military’s Joint Army/Navy alphabet for use by all three nations, with the result being called the US-UK spelling alphabet. It was defined in one or more of CCBP-1: Combined Amphibious Communications Instructions, CCBP3: Combined Radiotelephone (R/T) Procedure, and CCBP-7: Combined Communication Instructions. The CCB alphabet itself was based on the U.S. Joint Army/Navy spelling alphabet. The CCBP (Combined Communications Board Publications) documents contain material formerly published in U.S. Army Field Manuals in the 24-series. Several of these documents had revisions, and were renamed. For instance, CCBP3-2 was the second edition of CCBP3.

During World War II, the U.S. military conducted significant research into spelling alphabets. Major F. D. Handy, directorate of Communications in the Army Air Force (and a member of the working committee of the Combined Communications Board), enlisted the help of Harvard University’s Psycho-Acoustic Laboratory, asking them to determine the most successful word for each letter when using «military interphones in the intense noise encountered in modern warfare.». He included lists from the US, Royal Air Force, Royal Navy, British Army, AT&T, Western Union, RCA Communications, and that of the International Telecommunications Convention. According to a report on the subject:

The results showed that many of the words in the military lists had a low level of intelligibility, but that most of the deficiencies could be remedied by the judicious selection of words from the commercial codes and those tested by the laboratory. In a few instances where none of the 250 words could be regarded as especially satisfactory, it was believed possible to discover suitable replacements. Other words were tested and the most intelligible ones were compared with the more desirable lists. A final NDRC list was assembled and recommended to the CCB.^[29]

After World War II, with many aircraft and ground personnel from the allied armed forces, «Able Baker» was officially adopted for use in international aviation. During the 1946 Second Session of the ICAO Communications Division, the organization adopted the so-called «Able Baker» alphabet^[12] that was the 1943 US–UK spelling alphabet. However, many sounds were unique to English, so an alternative «Ana Brazil» alphabet was used in Latin America. In spite of this, International Air Transport Association (IATA), recognizing the need for a single universal alphabet, presented a draft alphabet to the ICAO during 1947 that had sounds common to English, French, Spanish and Portuguese.

From 1948 to 1949, Jean-Paul Vinay, a professor of linguistics at the Université de Montréal worked closely with the ICAO to research and develop a new spelling alphabet.^[30][12] The directions of ICAO were that «To be considered, a word must:

1. Be a live word in each of the three working languages.
2. Be easily pronounced and recognized by airmen of all languages.
3. Have good radio transmission and readability characteristics.
4. Have a similar spelling in at least English, French, and Spanish, and the initial letter must be the letter the word identifies.
5. Be free from any association with objectionable meanings.»^[29]

After further study and modification by each approving body, the revised alphabet was adopted on 1 November 1951, to become effective on 1 April 1952 for civil aviation (but it may not have been adopted by any military).^[13]

Problems were soon found with this list. Some users believed that they were so severe that they reverted to the old «Able Baker» alphabet. Confusion among words like Delta and Extra, and between Nectar and Victor, or the poor intelligibility of other words during poor receiving conditions were the main problems. Later in 1952, ICAO decided to revisit the alphabet and their research. To identify the deficiencies of the new alphabet, testing was conducted among speakers from 31 nations, principally by the governments of the United Kingdom and the United States. In the United States, the research was conducted by the USAF-directed Operational Applications Laboratory (AFCRC, ARDC), to monitor a project with the Research Foundation of Ohio State University. Among the more interesting of the research findings was that «higher noise levels do not create confusion, but do intensify those confusions already inherent between the words in question».^[29]

By early 1956 the ICAO was nearly complete with this research, and published the new official phonetic alphabet in order to account for discrepancies that might arise in communications as a result of multiple alphabet naming systems coexisting in different places and organizations. NATO was in the process of adopting the ICAO spelling alphabet, and apparently felt enough urgency that it adopted the proposed new alphabet with changes based on NATO’s own research, to become effective on 1 January 1956,^[31] but quickly issued a new directive on 1 March 1956^[32] adopting the now official ICAO spelling alphabet, which had changed by one word (November) from NATO’s earlier request to ICAO to modify a few words based on U.S. Air Force research.

After all of the above study, only the five words representing the letters C, M, N, U, and X were replaced. The ICAO sent a recording of the new Radiotelephony Spelling Alphabet to all member states in November 1955.^[12] The final version given in the table above was implemented by the ICAO on 1 March 1956,^[13] and the ITU adopted it no later than 1959 when they mandated its usage via their official publication, Radio Regulations.^[33] Because the ITU governs all international radio communications, it was also adopted by most radio operators, whether military, civilian, or amateur. It was finally adopted by the IMO in 1965.

During 1947 the ITU adopted the compound Latinate prefix-number words (Nadazero, Unaone, etc.), later adopted by the IMO during 1965.^{[citation needed]}

• Nadazero — from Spanish or Portuguese nada + NATO/ICAO zero
• Unaone — generic Romance una, from Latin ūna + NATO/ICAO one
• Bissotwo — from Latin bis + NATO/ICAO two. (1959 ITU proposals bis and too)^[34]
• Terrathree — from Italian terzo + NATO/ICAO three («tree») (1959 ITU proposals ter and tree)
• Kartefour — from French quatre (Latin quartus) + NATO/ICAO four («fow-er») (1959 ITU proposals quarto and fow-er)
• Pantafive — from French penta- + NATO/ICAO five («fife») (From 1959 ITU proposals penta and fife)
• Soxisix — from French soix + NATO/ICAO six (1959 ITU proposals were saxo and six)
• Setteseven — from Italian sette + NATO/ICAO seven (1959 ITU proposals sette and sev-en)
• Oktoeight — generic Romance octo-, from Latin octō + NATO/ICAO eight (1959 ITU proposals octo and ait)
• Novenine — from Italian nove + NATO/ICAO nine («niner») (1959 ITU proposals were nona and niner)

In the official version of the alphabet,^[4] two spellings deviate from the English norm: Alfa and Juliett. Alfa is spelled with an f as it is in most European languages because the spelling Alpha may not be pronounced properly by native speakers of some languages – who may not know that ph should be pronounced as f. The spelling Juliett is used rather than Juliet for the benefit of French speakers, because they may otherwise treat a single final t as silent. For similar reasons, Charlie and Uniform have alternative pronunciations where the ch is pronounced «sh» and the u is pronounced «oo». Early on, the NATO alliance changed X-ray to Xray in its version of the alphabet to ensure that it would be pronounced as one word rather than as two,^[35] while the global organization ICAO keeps the spelling X-ray.

The alphabet is defined by various international conventions on radio, including:

• Universal Electrical Communications Union (UECU), Washington, D.C., December 1920^[36]
• International Radiotelegraph Convention, Washington, 1927 (which created the CCIR)^[37]
• General Radiocommunication and Additional Regulations (Madrid, 1932)^[38]
• Instructions for the International Telephone Service, 1932 (ITU-T E.141; withdrawn in 1993)
• General Radiocommunication Regulations and Additional Radiocommunication Regulations (Cairo, 1938)^[39]
• Radio Regulations and Additional Radio Regulations (Atlantic City, 1947),^[40] where «it was decided that the International Civil Aviation Organization and other international aeronautical organizations would assume the responsibility for procedures and regulations related to aeronautical communication. However, ITU would continue to maintain general procedures regarding distress signals.»
• 1959 Administrative Radio Conference (Geneva, 1959)^[41]
• International Telecommunication Union, Radio
• Final Acts of WARC-79 (Geneva, 1979).^[42] Here the alphabet was formally named «Phonetic Alphabet and Figure Code».
• International Code of Signals for Visual, Sound, and Radio Communications, United States Edition, 1969 (revised 2003)^[43]

Tables[edit]

Timeline in development of the ICAO/ITU-R radiotelephony spelling alphabet

Letter	1920 UECU[36]	1927 (Washington, D.C.) International Radiotelegraph Convention (CCIR)[37]	1932 General Radiocommunication and Additional Regulations (CCIR/ICAN)[44][45]	1938 (Cairo) International Radiocommunication Conference code words[39]	1947 (Atlantic City) International Radio Conference[46]	1947 ICAO (from 1943 US–UK)[47] [48][45]	1947 ICAO alphabet (from ARRL[citation needed])[49]	1947 ICAO Latin America/Caribbean[29]	1947 IATA proposal to ICAO[29]	1949 ICAO code words[29]	1951 ICAO code words[30]	1956 ICAO final code words[14]	1959 (Geneva) ITU Administrative Radio Conference code words[41]	1959 ITU pronunciations[41]	2008 – present ICAO code words[14]	2008 – present ICAO pronunciations[14]
A	Argentine	Amsterdam	Amsterdam	Amsterdam	Amsterdam	ABLE	ADAM	ANA	ALPHA	Alfa	Alfa	Alfa	Alfa	AL FAH	Alfa	AL FAH
B	Brussels	Baltimore	Baltimore	Baltimore	Baltimore	BAKER	BAKER	BRAZIL	BETA	Beta	Bravo	Bravo	Bravo	BRAH VOH	Bravo	BRAH VOH
C	Canada	Canada	Casablanca	Casablanca	Casablanca	CHARLIE	CHARLIE	COCO	CHARLIE	Coca	Coca	Charlie	Charlie	CHAR LEE or SHAR LEE	Charlie	CHAR LEE or SHAR LEE
D	Damascus	Denmark	Danemark	Danemark	Danemark	DOG	DAVID	DADO	DELTA	Delta	Delta	Delta	Delta	DELL TAH	Delta	DELL TAH
E	Ecuador	Eddystone	Edison	Edison	Edison	EASY	EDWARD	ELSA	EDWARD	Echo	Echo	Echo	Echo	ECK OH	Echo	ECK OH
F	France	Francisco	Florida	Florida	Florida	FOX	FREDDIE	FIESTA	FOX	Foxtrot	Foxtrot	Foxtrot	Foxtrot	FOKS TROT	Foxtrot	FOKS TROT
G	Greece	Gibraltar	Gallipoli	Gallipoli	Gallipoli	GEORGE	GEORGE	GATO	GRAMMA	Golf	Gold	Golf	Golf	GOLF	Golf	GOLF
H	Hanover	Hanover	Havana	Havana	Havana	HOW	HARRY	HOMBRE	HAVANA	Hotel	Hotel	Hotel	Hotel	HOH TELL	Hotel	HO TELL
I	Italy	Italy	Italia	Italia	Italia	ITEM	IDA	INDIA	ITALY	India	India	India	India	IN DEE AH	India	IN DEE AH
J	Japan	Jerusalem	Jérusalem	Jérusalem	Jerusalem	JIG	JOHN	JULIO	JUPITER	Julietta	Juliett	Juliett	Juliett	JEW LEE ETT	Juliett	JEW LEE ETT
K	Khartoum	Kimberley	Kilogramme	Kilogramme	Kilogramme	KING	KING	KILO	KILO	Kilo	Kilo	Kilo	Kilo	KEY LOH	Kilo	KEY LOH
L	Lima	Liverpool	Liverpool	Liverpool	Liverpool	LOVE	LEWIS	LUIS	LITER	Lima	Lima	Lima	Lima	LEE MAH	Lima	LEE MAH
M	Madrid	Madagascar	Madagascar	Madagascar	Madagascar	MIKE	MARY	MAMA	MAESTRO	Metro	Metro	Mike	Mike	MIKE	Mike	MIKE
N	Nancy	Neufchatel	New York	New-York	New York	NAN	NANCY	NORMA	NORMA	Nectar	Nectar	November	November	NO VEM BER	November	NO VEM BER
O	Ostend	Ontario	Oslo	Oslo	Oslo	OBOE	OTTO	OPERA	OPERA	Oscar	Oscar	Oscar	Oscar	OSS CAH	Oscar	OSS CAH
P	Paris	Portugal	Paris	Paris	Paris	PETER	PETER	PERU	PERU	Polka	Papa	Papa	Papa	PAH PAH	Papa	PAH PAH
Q	Quebec	Quebec	Québec	Québec	Quebec	QUEEN	QUEEN	QUEBEC	QUEBEC	Quebec	Quebec	Quebec	Quebec	KEH BECK	Quebec	KEH BECK
R	Rome	Rivoli	Roma	Roma	Roma	ROGER	ROBERT	ROSA	ROGER	Romeo	Romeo	Romeo	Romeo	ROW ME OH	Romeo	ROW ME OH
S	Sardinia	Santiago	Santiago	Santiago	Santiago	SUGAR	SUSAN	SARA	SANTA	Sierra	Sierra	Sierra	Sierra	SEE AIR RAH	Sierra	SEE AIR RAH
T	Tokio	Tokio	Tripoli	Tripoli	Tripoli	TARE	THOMAS	TOMAS	THOMAS	Tango	Tango	Tango	Tango	TANG GO	Tango	TANG GO
U	Uruguay	Uruguay	Upsala	Upsala	Upsala	UNCLE	UNION	URUGUAY	URSULA	Union	Union	Uniform	Uniform	YOU NEE FORM or OO NEE FORM	Uniform	YOU NEE FORM or OO NEE FORM
V	Victoria	Victoria	Valencia	Valencia	Valencia	VICTOR	VICTOR	VICTOR	VICTOR	Victor	Victor	Victor	Victor	VIK TAH	Victor	VIK TAH
W	Washington	Washington	Washington	Washington	Washington	WILLIAM	WILLIAM	WHISKEY	WHISKEY	Whiskey	Whiskey	Whiskey	Whiskey	WISS KEY	Whiskey	WISS KEY
X	Xaintrie	Xantippe	Xanthippe	Xanthippe	Xanthippe	XRAY	X-RAY	EQUIS	X-RAY	eXtra	eXtra	X-ray	X-ray	ECKS RAY	X-ray	ECKS RAY
Y	Yokohama	Yokohama	Yokohama	Yokohama	Yokohama	YOKE	YOUNG	YOLANDA	YORK	Yankey	Yankee	Yankee	Yankee	YANG KEY	Yankee	YANG KEY
Z	Zanzibar	Zululand	Zürich	Zurich	Zurich	ZEBRA	ZEBRA	ZETA	?	Zebra	Zulu	Zulu	Zulu	ZOO LOO	Zulu	ZOO LOO
0				Jérusalem[Note 1]	Jerusalem[Note 1]	Zero							Juliett[Note 1]	(alt. proposals: ZE-RO, ZERO)	zero	ZE-RO
1				Amsterdam[Note 1]	Amsterdam[Note 1]	Wun							Alfa[Note 1]	(alt. proposals: WUN, WUN)	one	WUN
2				Baltimore[Note 1]	Baltimore[Note 1]	Too							Bravo[Note 1]	(alt. proposals: TOO, BIS)	two	TOO
3				Casablanca[Note 1]	Casablanca[Note 1]	Thuh-ree							Charlie[Note 1]	(alt. proposals: TREE, TER)	three	TREE
4				Danemark[Note 1]	Danemark[Note 1]	Fo-wer							Delta[Note 1]	(alt. proposals: FOW-ER, QUARTO)	four	FOW-er
5				Edison[Note 1]	Edison[Note 1]	Fi-yiv							Echo[Note 1]	(alt. proposals: FIFE, PENTA)	five	FIFE
6				Florida[Note 1]	Florida[Note 1]	Six							Foxtrot[Note 1]	(alt. proposals: SIX, SAXO)	six	SIX
7				Gallipoli[Note 1]	Gallipoli[Note 1]	Seven							Golf[Note 1]	(alt. proposals: SEV-EN, SETTE)	seven	SEV-en
8				Havana[Note 1]	Havana[Note 1]	Ate							Hotel[Note 1]	(alt. proposals: AIT, OCTO)	eight	AIT
9				Italia[Note 1]	Italia[Note 1]	Niner							India[Note 1]	(alt. proposals: NIN-ER, NONA)	nine	NIN-er
. (decimal point)														(proposals: DAY-SEE-MAL, DECIMAL)	decimal	DAY-SEE-MAL
Hundred															hundred	HUN-dred
Thousand														(proposals: TOUS-AND, –)	thousand	TOU-SAND
,				Kilogramme[Note 1]	Kilogramme[Note 1]								Kilo[Note 1]
/ (fraction bar)				Liverpool[Note 1]	Liverpool[Note 1]								Lima[Note 1]
(break signal)				Madagascar[Note 1]	Madagascar[Note 1]								Mike[Note 1]
. (punctuation)				New-York[Note 1]	New York[Note 1]								November[Note 1]

For the 1938 and 1947 phonetics, each transmission of figures is preceded and followed by the words «as a number» spoken twice.

The ITU adopted the IMO phonetic spelling alphabet in 1959,^[50] and in 1969 specified that it be «for application in the maritime mobile service only».^[51]

Pronunciation was not defined prior to 1959. For the post-1959 phonetics, the underlined syllable of each letter word should be emphasized, and each syllable of the code words for the post-1969 figures should be equally emphasized.

International aviation[edit]

The Radiotelephony Spelling Alphabet is used by the International Civil Aviation Organization for international aircraft communications.^[4][14]

Letter	1932 General Radiocommunication and Additional Regulations (CCIR/ICAN)[44][45]	1946 ICAO Second Session of the Communications Division (same as Joint Army/Navy)[29]	1947 ICAO (same as 1943 US-UK)[47] [48][45]	1947 ICAO alphabet (adopted exactly from ARRL[49]	1947 ICAO Latin America/Caribbean[29]	1949 ICAO code words[29]	1951 ICAO code words[30]	1956 – present ICAO code words[14]
A	Amsterdam	Able	ABLE	ADAM	ANA	Alfa	Alfa	Alfa
B	Baltimore	Baker	BAKER	BAKER	BRAZIL	Beta	Bravo	Bravo
C	Casablanca	Charlie	CHARLIE	CHARLIE	COCO	Coca	Coca	Charlie
D	Danemark	Dog	DOG	DAVID	DADO	Delta	Delta	Delta
E	Edison	Easy	EASY	EDWARD	ELSA	Echo	Echo	Echo
F	Florida	Fox	FOX	FREDDIE	FIESTA	Foxtrot	Foxtrot	Foxtrot
G	Gallipoli	George	GEORGE	GEORGE	GATO	Golf	Gold	Golf
H	Havana	How	HOW	HARRY	HOMBRE	Hotel	Hotel	Hotel
I	Italia	Item	ITEM	IDA	INDIA	India	India	India
J	Jérusalem	Jig	JIG	JOHN	JULIO	Julietta	Juliett	Juliett
K	Kilogramme	King	KING	KING	KILO	Kilo	Kilo	Kilo
L	Liverpool	Love	LOVE	LEWIS	LUIS	Lima	Lima	Lima
M	Madagascar	Mike	MIKE	MARY	MAMA	Metro	Metro	Mike
N	New York	Nan (later Nickel)	NAN	NANCY	NORMA	Nectar	Nectar	November
O	Oslo	Oboe	OBOE	OTTO	OPERA	Oscar	Oscar	Oscar
P	Paris	Peter	PETER	PETER	PERU	Polka	Papa	Papa
Q	Québec	Queen	QUEEN	QUEEN	QUEBEC	Quebec	Quebec	Quebec
R	Roma	Roger	ROGER	ROBERT	ROSA	Romeo	Romeo	Romeo
S	Santiago	Sail/Sugar	SUGAR	SUSAN	SARA	Sierra	Sierra	Sierra
T	Tripoli	Tare	TARE	THOMAS	TOMAS	Tango	Tango	Tango
U	Upsala	Uncle	UNCLE	UNION	URUGUAY	Union	Union	Uniform
V	Valencia	Victor	VICTOR	VICTOR	VICTOR	Victor	Victor	Victor
W	Washington	William	WILLIAM	WILLIAM	WHISKEY	Whiskey	Whiskey	Whisky
X	Xanthippe	X-ray	XRAY	X-RAY	EQUIS	X-RAY	eXtra	X-ray
Y	Yokohama	Yoke	YOKE	YOUNG	YOLANDA	Yankey	Yankee	Yankee
Z	Zürich	Zebra	ZEBRA	ZEBRA	ZETA	Zebra	Zulu	Zulu
0		Zero	Zero					Zero
1		One	Wun					One
2		Two	Too					Two
3		Three	Thuh-ree					Three
4		Four	Fo-wer					Four
5		Five	Fi-yiv					Five
6		Six	Six					Six
7		Seven	Seven					Seven
8		Eight	Ate					Eight
9		Nine	Niner					Niner
.								Decimal
100								Hundred
1000								Thousand

International maritime mobile service[edit]

The ITU-R Radiotelephony Alphabet is used by the International Maritime Organization for international marine communications.

Letter	1932–1965 IMO code words[52]	1965 – present (WRC-03) IMO code words[53]	1967 WARC code words[54]	2000 – present IMO SMCP pronunciations[53]	1967 WARC pronunciations[54]	2007 – present ITU-R pronunciations[20]
A	Amsterdam	Alfa	Alfa	Alfa	AL FAH	AL FAH
B	Baltimore	Bravo	Bravo	Bravo	BRAH VOH	BRAH VOH
C	Casablanca	Charlie	Charlie	Charlie	CHAR LEE or SHAR LEE	CHAR LEE or SHAR LEE
D	Danemark	Delta	Delta	Delta	DELL TAH	DELL TAH
E	Edison	Echo	Echo	Echo	ECK OH	ECK OH
F	Florida	Foxtrot	Foxtrot	Foxtrot	FOKS TROT	FOKS TROT
G	Gallipoli	Golf	Golf	Golf	GOLF	GOLF
H	Havana	Hotel	Hotel	Hotel	HOH TELL	HOH TELL
I	Italia	India	India	India	IN DEE AH	IN DEE AH
J	Jérusalem	Juliett	Juliett	Juliet	JEW LEE ETT	JEW LEE ETT
K	Kilogramme	Kilo	Kilo	Kilo	KEY LOH	KEY LOH
L	Liverpool	Lima	Lima	Lima	LEE MAH	LEE MAH
M	Madagascar	Mike	Mike	Mike	MIKE	MIKE
N	New-York	November	November	November	NO VEM BER	NO VEM BER
O	Oslo	Oscar	Oscar	Oscar	OSS CAH	OSS CAH
P	Paris	Papa	Papa	Papa	PAH PAH	PAH PAH
Q	Québec	Quebec	Quebec	Quebec	KEH BECK	KEH BECK
R	Roma	Romeo	Romeo	Romeo	ROW ME OH	ROW ME OH
S	Santiago	Sierra	Sierra	Sierra	SEE AIR RAH	SEE AIR RAH
T	Tripoli	Tango	Tango	Tango	TANG GO	TANG GO
U	Upsala	Uniform	Uniform	Uniform	YOU NEE FORM or OO NEE FORM	YOU NEE FORM or OO NEE FORM
V	Valencia	Victor	Victor	Victor	VIK TAH	VIK TAH
W	Washington	Whisky	Whisky	Whisky	WISS KEY	WISS KEY
X	Xanthippe	X-ray	X-ray	X-ray	ECKS RAY	ECKS RAY
Y	Yokohama	Yankee	Yankee	Yankee	YANG KEY	YANG KEY
Z	Zurich	Zulu	Zulu	Zulu	ZOO LOO	ZOO LOO
0	Zero	ZEERO	NADAZERO	ZEERO	NAH-DAH-ZAY-ROH	NAH-DAH-ZAY-ROH
1	One	WUN	UNAONE	WUN	OO-NAH-WUN	OO-NAH-WUN
2	Two	TOO	BISSOTWO	TOO	BEES-SOH-TOO	BEES-SOH-TOO
3	Three	TREE	TERRATHREE	TREE	TAY-RAH-TREE	TAY-RAH-TREE
4	Four	FOWER	KARTEFOUR	FOWER	KAR-TAY-FOWER	KAR-TAY-FOWER
5	Five	FIFE	PANTAFIVE	FIFE	PAN-TAH-FIVE	PAN-TAH-FIVE
6	Six	SIX	SOXISIX	SIX	SOK-SEE-SIX	SOK-SEE-SIX
7	Seven	SEVEN	SETTESEVEN	SEVEN	SAY-TAY-SEVEN	SAY-TAY-SEVEN
8	Eight	AIT	OKTOEIGHT	AIT	OK-TOH-AIT	OK-TOH-AIT
9	Nine	NINER	NOVENINE	NINER	NO-VAY-NINER	NO-VAY-NINER
.			DECIMAL		DAY-SEE-MAL	DAY-SEE-MAL
.	Full stop		STOP		STOP	STOP
,	Comma
	Break signal
⁄	Fraction bar
1000		TOUSAND		TOUSAND

Variants[edit]

Since ‘Nectar’ was changed to ‘November’ in 1956, the code has been mostly stable. However, there is occasional regional substitution of a few code words, such as replacing them with earlier variants, because of local taboos or confusing them with local terminology.^{[citation needed]}

• As of 2013, it was reported that «Delta» was often replaced by «David» or «Dixie» at Atlanta International Airport, where Delta Air Lines is based, because «Delta» is also the airline’s callsign.^[55] Air traffic control once referred to Taxiway D at the same airport as «Taxiway Dixie», though this practice was officially discontinued in 2020.^[56][57][58]

See also[edit]

• International Code of Signals
• Spelling alphabet
• Allied military phonetic spelling alphabets
• APCO radiotelephony spelling alphabet (used by some US police departments)
• Language-specific spelling alphabets
  • Finnish Armed Forces radio alphabet
  • German spelling alphabet
  • Greek spelling alphabet
  • Japanese radiotelephony alphabet
  • Korean spelling alphabet
  • Russian spelling alphabet
  • Swedish Armed Forces radio alphabet
• Radiotelephony procedure
  • Procedure word
  • Brevity code
    • Ten-code
• Q code
• List of military time zones
• PGP word list

Notes[edit]

References[edit]

External links[edit]

• «The Postal History of ICAO: Annex 10 — Aeronautical Telecommunications». ICAO. Archived from the original on 12 February 2019. Retrieved 6 November 2017.
• «NATO Declassified — The NATO Phonetic Alphabet». North Atlantic Treaty Organization.

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