ICAO Standard Number Pronunciations

Specially designed numbers to prevent digit confusion over radio statics.

Base Digits (0 - 9)

0

ZE-RO

1

WUN

2

TOO

3

TREE

4

FOW-ER

5

FIFE

6

SIX

7

SEV-EN

8

AIT

9

NI-NER

Large Numbers

1,000

WUN TOU-SAND

5,000

FIFE TOU-SAND

10,000

WUN ZERO TOU-SAND

13,000

WUN TREE TOU-SAND

25,000

TOO FIFE TOU-SAND