Standard words and phrases
Let me know that you have received and understood this message.
Permission for proposed action granted.
‘I hereby indicate the separation between portions of the message.’ (Note – To be used where there is no clear distinction between the text and other portions of the message.)
‘I hereby indicate the separation between messages transmitted to different addressees in a very busy environment.’
Annul the previously transmitted clearance.
Examine a system or procedure. (Note – Not to be used in any other context. No answer is normally expected.)
Authorized to proceed under the conditions specified.
I request verification of: (clearance, instruction, action, information).
Establish communications with …
True or accurate.
An error has been made in this transmission (or message indicated). The correct version is…
HOW DO YOU READ?
What is the readability of my transmission?
I SAY AGAIN
I repeat for clarity or emphasis.
Continue in accordance with the condition(s) specified or in its literal sense, e.g. Maintain VFR.
Listen out on (frequency).
No or Permission not granted or That is not correct or Not capable.
This exchange of transmission is ended and no response is expected. (Note – Not normally used in VHF communications)
My transmission is ended and I expect a response from you. (Note – Not normally used in VHF communications)
Repeat all, or the specified part of this message back to me exactly as received.
A change has been made to your last clearance and this new clearance supersedes your previous clearance or part thereof.
Pass me the following information…
I should like to know/I wish to obtain…
I have received all of your last transmission. (Note – Under no circumstances to be used in reply to a question requiring READ BACK or a direct answer in the affirmative (AFFIRM) or negative (NEGATIVE).)
Repeat all, or the following part of your last transmission.
Reduce your rate of speech.
Wait and I will call you. (Note – The caller would normally re-establish contact if the delay is lengthy. STANDBY is not an approval or denial.)
I cannot comply with your request, instruction or clearance. (Note – UNABLE is normally followed by a reason)
I understand your message and will comply with it. (Abbreviation for ‘will comply’)
- As a request: Communication is difficult. Please send every word, or group of words, twice.
- As information: Since communication is difficult, every word, or group of words, in this message will be sent twice.