NATO phonetic alphabet
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Spells any text using the NATO and ICAO alphabet, Alfa Bravo Charlie, the one used by aviation, shipping and the military worldwide. Letters and digits both have words. A space comes out as (space), and anything the alphabet has no word for, punctuation included, is returned in quotation marks rather than dropped.
How to use the nato phonetic alphabet
Two of the spellings are deliberately not English words, and both changes were made for the same reason. "Alfa" avoids the "ph" of Alpha, which speakers of several languages read as a p followed by an h rather than as an f. "Juliett" carries a second t so that French speakers do not silence the final one. The alphabet reached its present form in the 1950s after the candidate words were tested against radio noise and across accents; several of them are unremarkable words, which is exactly why they came through the testing.
The digits are the part people get half right. Each digit has a word, and the written words are the ordinary ones: Three, Five, Nine. What differs is the prescribed pronunciation, which the FAA prints alongside them: three is spoken TREE, five is FIFE and nine is NIN-ER, the extra syllable keeping it clear of the German nein over a noisy link. This page prints the written form, so you will see Nine and say niner.
What the alphabet does not cover deserves stating plainly, because it comes up constantly in the cases people actually use it for. There is no word for a hyphen, a slash, a full stop or an accented letter, so a registration like PH-BFA comes back with the hyphen in quotation marks and é is returned as itself. Say "hyphen", "slash" or "dot" in plain words at those points; radio procedure does the same thing rather than inventing a code word for punctuation.
What people use it for
- Spelling a surname back to someone over a bad phone line
- Reading a booking reference or a licence key aloud without ambiguity
- Dictating a serial number to a colleague who is writing it down
- Learning the alphabet for a radio or aviation exam
- Reading an aircraft registration that mixes letters, digits and a hyphen
Questions
Alfa, officially. The ph spelling is read as a p followed by an h by speakers of several languages, which defeats the point.
So that French speakers do not drop the final t. It is the same kind of fix as Alfa.
Written, it is Nine, which is what this page prints. Spoken, it is niner. The FAA lists the two separately: the telephony word and its pronunciation.
The extra syllable keeps it distinct from the German nein and from a burst of noise, over a link where a single syllable is easy to lose.
Yes. Three is spoken TREE and five is FIFE, both to survive a poor connection. The written words stay Three and Five.
It comes back in quotation marks, because the alphabet has no word for punctuation. Say "hyphen" or "dot" out loud at that point.
No. Only the 26 plain letters and the ten digits have words. Anything else is returned as itself in quotation marks so you can see what was skipped.
No. Upper and lower case give the same result, since the alphabet has one word per letter.
No. Many police forces use their own local sets, such as Adam, Boy, Charles in parts of the US. The NATO alphabet is the international one.
Aviation and shipping by regulation, the military, emergency services, and increasingly any call centre where a name or a reference has to be spelled aloud.
M and N, B and D, and S and F. Those pairs are the reason the alphabet exists, and the reason spelling out a reference is faster than repeating it.
Letter by letter, saying the words rather than the letters, and naming punctuation in plain language. Group digits individually rather than as numbers: one seven, not seventeen.
No. The lookup is a table in this page.