Numbers
Numbers and symbols
| Symbol | Word | |
|---|---|---|
| 0 | Zero ZERO | |
| 1 | One WUN | |
| 2 | Two TOO | |
| 3 | Three TREE | |
| 4 | Four FOWER | |
| 5 | Five FIFE | |
| 6 | Six SIX | |
| 7 | Seven SEVEN | |
| 8 | Eight AIT | |
| 9 | Nine NINER | |
| . | Decimal DAYSEEMAL | |
| 100 | Hundred HUN DRED | |
| 1000 | Thousand TOUSAND |
Digit by digit
Callsigns, flight levels (except FL100/200/300… pronounced "Flight Level (digit) Hundred"), headings, wind, speed and frequencies are transmitted digit by digit.
« Speedbird Two Four Six »
callsign
« Flight Level One Hundred »
FL100
« Flight Level One Eight Zero »
FL180
« One Five Zero Degrees »
heading 150
« One Eight Knots »
18 kt
« One Two Two Decimal One »
122.1
« Six Five Zero Zero »
squawk 6500
Whole hundreds and thousands
Altitude, height, cloud ceiling, altimeter setting, transponder code, visibility and RVR: WHOLE hundreds and thousands are transmitted with the words Hundred / Thousand.
« One Zero »
10
« One Hundred »
100
« Two Thousand Five Hundred »
2 500 ft
« One Thousand »
QNH 1000 hPa / squawk 1000
« One One Thousand »
11 000 ft
« Two Five Thousand »
25 000 ft