Air Traffic Service (ATS) Units General Format of Radio Communication When you receive your take-off clearance, it is good practice to repeat the runway
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Air Traffic Service (ATS) Units General Format of Radio Communication When you receive your take-off clearance, it is good practice to repeat the runway
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© 2015 NAV CANADA
Questions, comments and feedback can be directed to: service@navcanada.ca NAV CANADA would like to thank the following organizations for their contributions to this document. navcanada.ca iTable of Contents
About This Document ........................................................................ Document Format ........................................................................ Phraseology Examples ........................................................................ Phonetic Alphabet ........................................................................ Numbers .............................................................................. Decimals ........................................................................ .......3 Transponder Phraseology ........................................................................ Standard Words and Phrases ........................................................................Helicopter Specific Words and Phrases ........................................................................
.................................6 Aircraft Identification ........................................................................ Similar Call Signs ........................................................................Air Traffic Service (ATS) Units ........................................................................
What to Expect From Different ATS Units ........................................................................
.............................10 Language ............................................................................. Radio Operation ........................................................................ Good Practices ........................................................................General Format of Radio Communication ........................................................................
............................14 Hearback/Readback ........................................................................ Initial Contact ........................................................................ Stand By ........................................................................ ....16 Unfamiliar ............................................................................. Radio Check .........................................................................Initial Clearance/Clearance To or Out of the Zone ........................................................................
................18 ii | VFR PHRASEOLOGY Taxi ....................................................................................... Helicopter Taxi ........................................................................ Progressive Taxi ........................................................................ Hold Short ........................................................................ Crossing a Runway ........................................................................ Line Up/Line Up and Wait ........................................................................ Departure Instructions ........................................................................ Takeoff .................................................................................. Immediate Takeoff ........................................................................ Helicopter Takeoff ........................................................................ Take off at Your Discretion ........................................................................ Basic Circuit Pattern ........................................................................ ATC Circuit Instructions ........................................................................ Cleared for the Option ........................................................................ Autorotation .......................................................................... Traffic ........................................................................ ...........32 Frequency Change ........................................................................ Position Report ........................................................................ Arrival/Approach ........................................................................ VFR Hold ..............................................................................Remain Outside of Class D Airspace ........................................................................
...................................38 navcanada.ca iii Landing ........................................................................ .......39 Helicopter Landing ........................................................................ External Loads ........................................................................ Overshoot ........................................................................Taxi Instructions After Landing ........................................................................
Arrival Report ........................................................................ Emergency Communications ........................................................................ Mayday ................................................................................ Pan Pan ........................................................................ Fuel Emergency ........................................................................ Minimum Fuel ........................................................................ Request VDF Steer ........................................................................ Request Special VFR ........................................................................ VFR Over-The-Top (OTT) ........................................................................ PIREP ................................................................................... Change to Flight Plan ........................................................................Mandatory Frequency (MF) - Circuits ........................................................................
...................................50 MF - Start Up/Taxi/Takeoff ........................................................................ MF - Flying Through Area ........................................................................ ATF - Circuits ........................................................................ ATF - Start Up/Taxi/Takeoff ........................................................................ iv | VFR PHRASEOLOGYLegend
Safety-Related Content
Best Practice-Related Content
Phraseology Used by All Pilots
Phraseology Specific to Helicopter Pilots
Phraseology Used by Air Traffic Controllers
Phraseology Used by Flight Service Specialists
Phraseology Used by Flight Service Specialists at a Flight Information C entre While the airplane icon denotes phraseology used by pilots, it should be recognized that this is phraseology for both fixed and rotary wing aircraft. Where the phraseology for helicopters is different, based on the operational capabilities of rotary wing aircraft, an additional example is given. navcanada.ca 1About This Document
This document is intended as a learning tool and reference guide to phraseology for all pilots flying within
Canadian airspace. This document has been created using resources including theCanadian Aviation
Regulations (CARs), Transport Canada Aeronautical Information Manual (TC AIM) and Glossary for Pilots and
Air Trafc Services Personnel
, as well as input from Air Traffic Controllers (ATC), Flight Service Specialists (FSS),Flight Information Centres (FIC), flight training units and commercial aviation leaders from across the country.
Safety is a driving force in aviation. Communications are an important contributing factor to safety and many
incidents and occurrences cite communications as a primary cause. It is easy to forget that the voice on the other end of the radio is a person too. If everyone begins with the same foundation of standard phraseology, there is less room for error or misinterpretation.Document Format
Examples of phraseology in this document are laid out as follows: any pertinent information is given the example is broken down into its critical parts a fictitious example is then shown to give the user a clear idea as to how the phraseology might be spoken For definitions of unfamiliar or aviation-specific words found in the document, consultTerminav
or the Transport Canada Glossary for Pilots and Air TrafficServices Personnel
These examples are not intended to be exhaustive and if uncertain, or when the standard phraseology falls short, use plain language to communicate your request or intentions. While these are standard transmissions, local procedures may vary. If you are familiar with local procedures, adjust your transmissions accordingly.2 | VFR PHRASEOLOGY
Phraseology Examples
In the examples given, the critical parts will be designated as follows:UPPERCASE
indicates words that are to be spoken exactly as written (in parentheses) describes the information to be inserted / slash indicates that there are alternative words or information; use only oneExample:
Reads as: SPEAK LOUDLY AT/IN (location)
Spoken as: Speak loudly at home ...or... Speak loudly in the hangarPhonetic Alphabet
A - AlfaAL fahN - NovemberNo VEM ber
B - BravoBRAH VOHO - OscarOSS cahr
C - CharlieCHAR leeP - PapaPah PAH
D - DeltaDELL tahQ - QuebecKeh BECK
E - EchoECK ohR - RomeoROW me oh
F - FoxtrotFOKS trotS - SierraSee AIR ah
G - GolfGOLFT - TangoTANG go
H - HotelHoh TELLU - UniformYOU nee form
I - IndiaIN dee ahV - VictorVIK tah
J - JuliettJEW lee ETTW - WhiskeyWISS key
K - KiloKEY lohX - X-RayECKS Ray
L - LimaLEE mahY - YankeeYANG key
M - MikeMIKEZ - ZuluZOO loo
navcanada.ca 3Numbers
TermPronunciationTermPronunciation
0ZE RO7SEV en
1WUN8AIT
2TOO9NIN er
3TREEdecimalDAY SEE MAL
4FOW erhundredHUN dred
5FIFEthousandTOU SAND
6SIXAltitude PronunciationTimePronunciation
2 000Two Thousand1700ZOne Seven Zero Zero Zulu
2 500Two Thousand Five HundredDistancePronunciation
11 000One One Thousand25 Nautical Miles Two Five Miles
FL180Flight Level One Eight Zero 25 Nautical Miles DMETwo Five D M EHeading PronunciationSpeedPronunciation
005 Magnetic Heading Zero Zero Five 110 KnotsSpeed One One Zero Knots
180 TrueHeading One Eight Zero True
Decimals
Numbers with a decimal point, such as an altimeter setting or radio frequency may be spoken as:29.95 TWO NINER DECIMAL NINER FIFE or TWO NINE NINE FIVE
127.7 ONE TWO SEVEN DECIMAL SEVEN or ONE TWO SEVEN SEVEN
ATS will use NINER and FIFE, however, pilots are not required to use these terms and may use NINE and FIVE.4 | VFR PHRASEOLOGY
You may group numbers together if the number is an aircraft type number, flight number, wind speed, cloud height, visibility or direction of traffic using the12-hour clock system.
ExamplePronunciation
Airbus 320Airbus Three Twenty
West Jet 620West Jet Six Twenty
Wind 270/10Wind Two Seven Zero at Ten
BKN035Thirty Five Hundred Broken
Traffic 10 O"clockTraffic Ten O"clock
Transponder Phraseology
ATC PhraseologyMeaning
SQUAWK (numerical code)Input assigned transponder code SQUAWK IDENTPress the ident" feature of transponder SQUAWK MODE CHARLIEEnsure MODE C function is selectedSTOP SQUAWK MODE CHARLIE Turn off MODE C function
RESET/RECYCLE TRANSPONDER Turn transponder off, and then back on CONFIRM SQUAWKVisually and then vocally confirm the selected mode/codeSQUAWK STANDBYSelect standby" function
ROGER IDENT
Used by FSS to acknowledge a request to squawk ident or change to a new codeYOUR TRANSPONDER APPEARS
UNSERVICABLE/MALFUNCTIONINGYou are not showing up properly on the radar screen. Cycle transponder OFF and back ON to see if this fixes the issue
navcanada.ca 5Standard Words and Phrases
WordMeaning
ACKNOWLEDGE Let me know you have received and understood this messageAFFIRMATIVEYes
APPROVEDPermission granted
BREAKSeparation between portions of the message
BREAK BREAKSeparation between messages for two different aircraftCHECKExamine a system or procedure
CONFIRMVerify (clearance, instruction, action, information) givenCONTACTEstablish communication with...
CORRECTTrue/accurate
CORRECTIONAn error was made in transmission, the correction will followDISREGARDIgnore
EXPEDITEComply with instruction as soon as safely ableGO AHEADProceed with transmission
HOW DO YOU READ Can you hear my transmissions clearly? I DO NOT UNDERSTAND I do not understand, please rephrase your last transmissionI SAY AGAINI repeat for clarity or emphasis
IMMEDIATELYImmediate action required for safety reasonsMONITORListen to (frequency)
NEGATIVENo/permission not granted/not correct/not capableOVEREnd of transmission, requires response
READ BACKRepeat all, or specified part of message back ROGERI have received your transmission (generally used by ATC rather than pilots) SAY AGAINRepeat all, or specified part of last transmissionSPEAK SLOWER Reduce rate of speech
STAND BYWait and monitor frequency, caller will re-establish contact UNABLECannot comply with instruction/clearance/requestWILCO I understand message, will comply
WORDS TWICE
Communication difficult: please say every word/group of words twice Communication difficult: therefore I will repeat every word/group of words twice6 | VFR PHRASEOLOGY
Helicopter Specific Words and Phrases
WordMeaning
AIR TAXI
To taxi while airborne: generally above twenty knots airspeed, altitude at pilot"s discretion, generally below one hundred feet AGLAUTOROTATION
An emergency procedure in which the helicopter has no engine power and manoeuvres the aircraft to the ground safely. This is done by maintaining airflow over the rotorsEXTERNAL LOAD
Helicopters are capable of suspending material under the helicopter during flight. When operating with a load, a helicopter may fly slow er and will avoid overflying built up areas GROUND TAXIFor wheel-equipped helicopters: to taxi on the ground HOLD To hold short of a designated location in current state (i.e. on ground, in hover) or position HOVER To hold a position while airborne: done in ground effect, further movement requires ATC instructionHOVER TAXI
To taxi while in ground effect: generally less than twenty knots airspeed, altitude less than twenty five feet AGL unless higher required for operational reasons HELIPADDesignated area in which helicopters may take off and landLONG LINE
An external load suspended on a line from the helicopter. A length may be specified. Expect helicopter to operate as with external load, but also with the extra altitude required to accommodate the length of the line ROTOR DOWNWASHWake turbulence caused by the movement of the rotors while hovering navcanada.ca 7Aircraft Identification
Aircraft identification (call sign) will be different depending on whether you are a general aviation flight/small
operator, or an operator with a telephony designator and flight number (i.e.