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"International Radiotelephony Spelling Alphabet"

Words                                                                                           Meaning

 

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.

 

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

 

CANCEL                                                            Annul the previously transmitted clearance

CHECK                                                                       Examine a system or procedure

CLEARED                                                 Authorized 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 given or last

MONITOR                                                                      Listen out on (frequency).

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

OVER                                                     My transmission is ended and I expect a response from you. (military use)

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 ... / I wish to obtain ...

ROGER                                                                            I have received all of your last transmission.

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

WILCO                                                            I understand your message and will comply with it

WORDS TWICE                                     Communication is difficult. Please send every word or group of words twice.

Radiotelephony standard words

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