Phraseology

Question 1

ACKNOWLEDGE

Answer 1

Let me know that you have received and understood my message

Question 2

ADVISE INTENTIONS

Answer 2

Tell me what you plan to do

Question 3

AFFIRMATIVE

Answer 3

Yes

Question 4

ATC ADVISES

Answer 4

Used to prefix a message of noncontrol information when it is relayed to an aircraft by anyone other than an air traffic controller

Question 5

ATC CLEARS

Answer 5

Used to prefix an ATC clearance when it is relayed to an aircraft by anyone other than an air traffic controller

Question 6

ATC REQUESTS

Answer 6

Used to prefix an ATC request when it is relayed to an aircraft by anyone other than an air traffic controller

Question 7

CLEARED FOR TAKEOFF

Answer 7

ATC authorization for an aircraft to depart. It is predicated on known traffic and known physical airport conditions

Question 8

CLEARED TO LAND

Answer 8

ATC authorization for an aircraft to land. It is predicated on known traffic and known physical airport conditions

Question 9

CORRECTION

Answer 9

An error has been made in the transmission and the correct version follows

Question 10

EXPEDITE

Answer 10

Used by ATC when prompt compliance is required to avoid the development of an imminent situation, usually in conjunction with a request for best rate of climb/descent without requiring an exceptional change in aircraft handling characteristics

Question 11

GO AHEAD

Answer 11

Proceed with your message. Not to be used for any other purpose

Question 12

HOW DO YOU HEAR ME?

Answer 12

A question relating to the quality of the transmission or to determine how well the transmission is being received

Question 13

IMMEDIATELY

Answer 13

Used by ATC when compliance with an action is required to avoid an imminent situation

Question 14

I SAY AGAIN

Answer 14

The message will be repeated

Question 15

NEGATIVE

Answer 15

“No” or “Permission not granted” or “That is not correct”

Question 16

OUT

Answer 16

The conversation is ended and no response is expected

Question 17

OVER

Answer 17

My transmission is ended; I expect a response

Question 18

RADAR CONTACT

Answer 18

Used by ATC to inform an aircraft that it is identified on the radar display and radar flight following will be provided until radar identification is terminated. Radar service may also be provided within the limits of necessity and capability. When a pilot is informed of “radar contact,” he automatically discontinues reporting over compulsory reporting points

Question 19

RADAR CONTACT LOST

Answer 19

Used by ATC to inform a pilot that radar data used to determine the aircraft’s position is no longer being received or is no longer reliable and that radar service is no longer being provided.

Question 20

READ BACK

Answer 20

Repeat my message back to me

Question 21

ROGER

Answer 21

I have received all of your last transmission. It should not be used to answer a question requiring a “yes” or “no” answer

Question 22

SAY AGAIN

Answer 22

Used to request a repeat of the last transmission. Usually specifies transmission or portion thereof not understood or received; e.g., “Say again all after ABRAM VOR”

Question 23

SAY ALTITUDE

Answer 23

Used by ATC to ascertain an aircraft’s specific altitude/ flight level. When the aircraft is climbing or descending, the pilot should state the indicated altitude rounded to the nearest 100 feet

Question 24

SPEAK SLOWER

Answer 24

Used in verbal communications as a request to reduce speech rate

Question 25

SQUAWK

Answer 25

Activate specific codes on the aircraft transponder; e.g., “Squawk one zero two zero”

Question 26

UNABLE

Answer 26

Indicates inability to comply with a specific instruction, request, or clearance

Question 27

STAND BY

Answer 27

Means the controller or pilot must pause for a few seconds, usually to attend to other duties of higher priority. Also means to “wait,” as in “stand by for clearance.” If a delay is lengthy, the caller should re-establish contact

Question 28

THAT IS CORRECT

Answer 28

The understanding you have is right

Question 29

VERIFY

Answer 29

Request confirmation of information; e.g., “Verify assigned altitude”

Question 30

WILCO

Answer 30

I have received your message, understand it, and will comply with it

Question 31

WORDS TWICE

Answer 31

1. As a request: “Communication is difficult. Please say every phrase twice.”
2. As information: “Since communications are difficult every phrase in this message
   will be spoken twice.”