4 / 20

How would FL110 be spoken in a radio call?

  • A

    Wun wun zero

  • B

    Flight level wun wun zero

  • C

    Flight level wun hundred wun zero

  • D

    Flight level wun hundred and ten

FL110 would be spoken as:

  • "Flight Level" followed by...
  • The individual numbers, in this case wun, wun, zero (110)

Using individual numbers allows for clarity and better understanding over the radio.

ICAO Annex 10 Volume 2: 5.2.1.4.3.1

When the language used for communication is English, numbers shall be transmitted using the following pronunciation:

Numeral or numeral element Pronunciation

  • 0 = ZE-RO
  • 1 = WUN
  • 2 = TOO
  • 3 = TREE
  • 4 = FOW-er
  • 5 = FIFE
  • 6 = SIX
  • 7 = SEV-en
  • 8 = AIT
  • 9 = NIN-er
  • Decimal = DAY-SEE-MAL
  • Hundred = HUN-dred
  • Thousand = TOU-SAND

Your Notes (not visible to others)



This question has appeared on the real examination, you can find the related countries below.

Keyboard Shortcut Use Keyboard Shortcuts