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(Clarified the usage of "line up and wait" and the scenario when a takeoff clearance is issued without asking the a/c to align first) |
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This page lists some common phraseologies used in the communication between pilots and [[Air traffic control|ATC]]. | This page lists some common phraseologies used in the communication between pilots and [[Air traffic control|ATC]]. Items in ''italic'' need to be replaced by the relevant information; lists are dialogues between the pilot and the controllers. | ||
For a detailed tutorial in ATCing, please take a look at the [[ATC Tutorial]]. | For a detailed tutorial in ATCing, please take a look at the [[ATC Tutorial]]. | ||
=== | == General == | ||
* | {| class="wikitable" | ||
! scope="col"| Phraseology | |||
! scope="col"| Meaning | |||
! scope="col"| Remarks | |||
|- | |||
| Affirmative ''(abbreviation: affirm)'' | |||
| Yes | |||
| | |||
|- | |||
| Negative | |||
| No | |||
| | |||
|- | |||
| | |||
* ''callsign'', contact ''station'' on ''frequency'' | |||
* Contact ''station'' on ''frequency'', ''callsign'' | |||
| A controller asks the pilot to change radio frequency and contact another controller; the pilot acknowledges the instruction and then changes frequency. | |||
| If the new controller does not respond, change to the previous frequency and inform ATC. | |||
|- | |||
| Roger | |||
| I received your information | |||
| This sentence should ''not'' be used in case a readback (repetition of the message you heard, for safety reasons) is required. | |||
|- | |||
| Wilco | |||
| Will comply | |||
| This sentence should ''not'' be used in case a readback (repetition of the message you heard, for safety reasons) is required. | |||
|- | |||
| Say again | |||
| Please repeat your last message | |||
| | |||
|- | |||
| Standby | |||
| Please wait | |||
| Often said by a controller because (s)he's busy at the moment | |||
|- | |||
| Correction | |||
| Disregard what has been said immediately before (as it's erroneous) and replace it with the words that follow. | |||
| Example: ''Callsign, taxi to holding point runway 22 via N – correction, via A'' means: ''Callsign, taxi to holding point runway 22 via A''. | |||
|- | |||
| Unable, ''reason'' | |||
| The pilot is not able to execute the instruction given by a controller for safety reasons. | |||
| | |||
|} | |||
=== | == Clearance == | ||
{| class="wikitable" | |||
! scope="col"| Phraseology | |||
! scope="col"| Meaning | |||
! scope="col"| Remarks | |||
|- | |||
| | |||
* ''Station'', ''callsign'', stand ''stand'', ''aircraft type'' with information ''code'', request IFR clearance to ''destination'' | |||
* ''callsign'', ''station'', cleared to ''destination'', ''SID'' departure, squawk ''code'' | |||
* Cleared to ''destination'' via ''SID'', squawk ''code'', ''callsign'' | |||
| Used by a pilot to ask which SID he is going to use for departure. | |||
| ''This is not an authorization to take off.'' | |||
|- | |||
| | |||
* ''callsign'', request pushback | |||
* ''callsign'', pushback approved facing ''direction'' | |||
* Pushback approved facing ''direction'', ''callsign'' | |||
| The pilot asks for permission to pushback (be pushed away from the stand by a tug). At the end of the maneuver, the aircraft should be headed ''direction''. | |||
| | |||
|- | |||
| | |||
* ''callsign'', request startup | |||
* ''callsign'', startup approved | |||
* Startup approved, ''callsign'' | |||
| The pilot asks for permission to start up the engines. | |||
|} | |||
=== | == Taxi == | ||
{| class="wikitable" | |||
! scope="col"| Phraseology | |||
! scope="col"| Meaning | |||
! scope="col"| Remarks | |||
|- | |||
| | |||
* ''station'', ''callsign'', stand ''stand'', request taxi | |||
* ''callsign'', ''station'', taxi to ''holding point'' via ''full list of taxiways'' | |||
* Taxi to ''holding point'' via ''full list of taxiways'', ''callsign'' | |||
| The pilot asks for authorization to taxi; the controller authorizes him to taxi to an holding point, reached which the pilot should stop and ask/wait for further instructions. | |||
| Refer to an updated [[Getting aeronautical charts|aeronautical chart]] to know taxiway names. | |||
|- | |||
| | |||
* ''station'', ''callsign'' holding short runway ''number'' at ''intersection'' | |||
* ''callsign'', cross runway ''number'' at ''intersection'' | |||
* Cross runway ''number'' at ''intersection'', ''callsign'' | |||
| The pilot needs to cross a runway and asks the ground controller for permission; the ground controller obtains a clearance from Tower (not reported here) and authorizes the pilot to cross. | |||
| | |||
|- | |||
| | |||
* ''callsign'', hold short of ''position'' | |||
* Will hold short of ''position'', ''callsign'' | |||
| The ground controller asks the pilot to stop at ''position'' (a taxiway entrance, runway crossing...). As soon as the pilot reaches the designated point, (s)he must inform the controller that the aircraft is "holding short". | |||
| | |||
|- | |||
| | |||
* ''callsign'', hold position | |||
* Holding position, ''callsign'' | |||
| The ground controller asks the pilot to stop immediately/maintain the current position. | |||
| | |||
|} | |||
'''Remark:''' the controller might ask you to follow an aircraft or to perform a maneuver after another aircraft has cleared the way (''conditional clearance''). In that case, (s)he will say ''"After the ''aircraft type''..."''. | |||
== Takeoff and departure == | |||
{| class="wikitable" | |||
! scope="col"| Phraseology | |||
=== | ! scope="col"| Meaning | ||
! scope="col"| Remarks | |||
|- | |||
= | | | ||
* ''Callsign'', line up and wait runway ''number'' | |||
* Line up and wait runway ''number'', ''callsign'' | |||
| The tower controller instructs the aircraft to enter the runway, position itself in the center and await further clearance. | |||
| | |||
* ''This is not an authorization to take off.'' | |||
* This sentence is used only when ATC can not issue a takeoff clearance immediately (e.g. because there is still traffic on the runway). Controllers must ''not'' use this command unless needed. | |||
* | |||
* | |||
* The phrase "(taxi into) position and hold" is no longer used. | * The phrase "(taxi into) position and hold" is no longer used. | ||
|- | |||
| | |||
* ''Callsign'', wind is ''heading'' at ''speed'' knots, runway ''number'', cleared for takeoff | |||
* Cleared for takeoff runway ''number'', ''callsign'' | |||
| The controller authorizes the aircraft to take off. | |||
| This is the ''one and only'' clearance that gives a pilot permission to take off. | |||
|- | |||
| | |||
* ''Callsign'', hold position, cancel takeoff, I say again cancel takeoff due to ''reason'' | |||
* Holding position, ''callsign'' | |||
| The controller cancels the existing takeoff clearance. | |||
| This form is used when the aircraft has not started the takeoff roll yet. | |||
|- | |||
| | |||
* ''Callsign'', stop immediately! | |||
* Stopping, ''callsign'' | |||
| The controller cancels the existing takeoff clearance. | |||
| This form is used when the aircraft has already started the takeoff roll. | |||
|} | |||
=== | == Climb, cruise, descent == | ||
{| class="wikitable" | |||
! scope="col"| Phraseology | |||
! scope="col"| Meaning | |||
! scope="col"| Remarks | |||
|- | |||
| x | |||
| x | |||
| x | |||
|} | |||
=== | == Approach and landing == | ||
{| class="wikitable" | |||
! scope="col"| Phraseology | |||
! scope="col"| Meaning | |||
! scope="col"| Remarks | |||
|- | |||
| x | |||
| x | |||
| x | |||
|} | |||
=== | == Emergency communications == | ||
{| class="wikitable" | |||
! scope="col"| Phraseology | |||
! scope="col"| Meaning | |||
! scope="col"| Remarks | |||
|- | |||
| x | |||
| x | |||
| x | |||
|} | |||
== | == External links == | ||
* | * [http://www.skybrary.aero/index.php/Toolkit:ALLCLEAR All Clear? Toolkit], Eurocontrol | ||
[[Category:Air Traffic Control]] | [[Category:Air Traffic Control]] |
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