RATEL

ACKNOWLEDGE Let me know that you have received and understood this message

AFFIRM Yes

APPROVED Permission for proposed action granted

BREAK I hereby indicate the separation between portions of the message (to be used where there is no clear distinction between the text and other portions of the message)

BREAK BREAK I hereby indicate separation between messages transmitted to different aircraft in a very busy environment

CANCEL Annul the previously transmitted clearance

CHECK Examine a system or procedure (not to be used in any other context – no answer is normally expected)

CLEARED Authorised to proceed under the conditions specified

CONFIRM I request verification of: (clearance, instruction, action, information)

CONTACT Establish communications with …

CORRECT True or Accurate

CORRECTION An error has been made in this transmission (or message indicated) the correct version is …

DISREGARD Ignore

HOW DO YOU READ What is the readability of my transmission?

I SAY AGAIN I repeat for clarity or emphasis

MAINTAIN Continue in accordance with the condition(s) specified, or in its literal sense, eg, “Maintain VFR”

MONITOR Listen out on (frequency) 16Word/Phrase Meaning

NEGATIVE No or Permission is not granted or That is not correct or Not capable

OVER My transmission is ended and I expect a response from you (not normally used in VHF communication)

OUT My transmission is ended and I expect no response from you (not normally used in VHF communication)

READ BACK Repeat all, or the specified part, of this message back to me exactly as received

RECLEARED A change has been made to your last clearance and this new clearance supersedes your previous clearance or part thereof

REPORT Pass me the following information REQUEST I should like to know or I wish to obtain

ROGER I have received all of your last transmission (under NO circumstances to be used in reply to a question requiring

READBACK or a direct answer in the affirmative (AFFIRM) or negative (NEGATIVE))

SAY AGAIN Repeat all or the following part of your last transmission

SPEAK SLOWER Reduce your rate of speech

STANDBY Wait and I will call you

UNABLE I cannot comply with your request, instruction or clearance (normally followed by a reason)

WILCO I understand your message and will comply with it

WORDS TWICE (a) as a request Communication is difficult. Please send every word or group of words twice (b) as information Since communication is difficult every word, or group of words, in this message will be sent twice