RT Phraseology

Question 1

Acknowledge

Answer 1

Let me know that you have received and understood this message

Question 2

Affirm

Answer 2

Yes

Question 3

Approved

Answer 3

Permission proposed/requested action is granted

Question 4

Backtrack

Answer 4

Taxi on the runway in use, in the opposite direction to the normal take-off and landing

Question 5

Break

Answer 5

When used by a controller, this indicated the separation in messages

Question 6

Cancel

Answer 6

Annul the previously transmitted clearance

Question 7

Changing to

Answer 7

I intend to call…(unit) on…(frequency)

Question 8

Check

Answer 8

Examine a system or procedure. (Not to be used in any other context. No answer is normally expected)

Question 9

Cleared

Answer 9

Authorised to proceed under the conditions specified.

Question 10

Climb

Answer 10

Climb and MAINTAIN

Question 11

Confirm

Answer 11

I request verification of…(Clearance, instruction, action, information)

Question 12

Contact

Answer 12

Establish contact with (unit/control position) (Your details have been passed onto the next Air Traffic Controller)

Question 13

Continue With

Answer 13

Used by a controller when a pilot has already established contact with another unit

Question 14

Correct

Answer 14

True or accurate

Question 15

Correction

Answer 15

An error has been made in this transmission. The correct version is…

Question 16

Descend

Answer 16

Descend and MAINTAIN

Question 17

Disregard

Answer 17

Ignore

Question 18

Fanstop

Answer 18

I am initiating a practice engine failure after take-off. (Used only by pilots of single engine air systems). The response should be, “REPORT CLIMBING AWAY”.

Question 19

Freecall

Answer 19

A formal handover has not been possible. Call…(unit)(your details have NOT been passed)

Question 20

Hold Short

Answer 20

Stop before reaching the specified location

Note - Only used in limited circumstances where no defined point exists (e.g. where there is no suitably located holding point), or to reinforce a clearance limit.

Question 21

How Do You Read

Answer 21

What is the readability of my transmission?

Question 22

I Say Again

Answer 22

I repeat for clarity or emphasis

Question 23

Maintain

Answer 23

Continue in accordance with the condition(s) specified or in its literal sense, e.g. “Maintain VFR”

Question 24

Monitor

Answer 24

Listen out on…(frequency)

Question 25

Negative

Answer 25

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

Question 26

Pass Your Message

Answer 26

Proceed with your message

Question 27

Read Back

Answer 27

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

Question 28

Readability

Answer 28

1 - Unreadable
2 - Readable now and then
3 - Readable but with difficulty
4 - Readable
5 - Perfectly readable

Question 29

Report

Answer 29

Pass requested information

Question 30

Request

Answer 30

I should like to know…or I wish to obtain…

Question 31

Roger

Answer 31

I have RECEIVED and UNDERSTOOD your last transmission

Note - Under NO circumstances to be used in reply to a question requiring a direct answer in the affirmative (AFFIRM) or negative (NEGATIVE)

Question 32

Say Again

Answer 32

Repeat all, or the following part of your last transmission

Question 33

Speak Slower

Answer 33

Reduce your rate of speech

Question 34

Standby

Answer 34

WAIT and I will call you

Note - No onward clearance is to be assumed. The called would normally re-establish contact if the delay is lengthy. STANDBY is not an approval or denial.

Question 35

Unable

Answer 35

I cannot comply with your request, instruction or clearance.

Note - Unable is normally followed by a reason

Question 36

Wilco

Answer 36

I understand your message and will comply with it