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Phonetic Numerals

Number and Spoken As for Phonetic Numerals

To avoid confusion and errors during voice
transmission, special techniques have been developed for pronouncing letters and
numerals. These special techniques resulted in the phonetic alphabet and
phonetic numerals.

Numbers are spoken digit by digit, except that
exact multiples of thousands may be spoken as such. For example, 84 is "AIT FOW
ER," 2,500 is "TOO FIFE ZE RO ZE RO," and 16,000 is "WUN SIX TOUSAND."

The date-time group is always spoken digit by
digit, followed by the time zone indication. For example, 291205Z is "TOO NIN-ER
WUN TOO ZE-RO FIFE ZOO-LOO."

Map coordinates and call sign suffixes also are
spoken digit by digit.

 

Phonetic Numerals

Numeral Spoken As
0 ZE RO
1 WUN
2 TOO
3 TREE
4 FOW ER
5 FIFE
6 SIX
7 SEV EN
8 AIT
9 NIN ER