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d. not identified [reason] [resume (or
continue) own navigation]
2. Provision of Service a. radar control terminated
[due to (reason)]
b. radar service terminated
(instructions)
c. resume own navigation (position
of aircraft)(specific instructions)
d. will shortly lose identification
(appropriate instructions or
information)
e. identification lost [reasons]
(instructions)
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Civil Aviation Safety Authority Australia
GENERAL
09/2001
1
GENERAL
SECTION
PHRASES
3. Radar Position information
to request traffic, position and/or a. *request
navigation information i. radar assistance (reason)
ii. position by radar [with
reference to (aid or location)
iii.traffic (or position or
navigation) advisory [by
radar]
iv. (specific radar service)
b. position (distance) (direction) of
(significant point) (or over or
abeam (significant point)
Radar Communication and Navigation
Circumstances Phraseologies
*Denotes pilot transmission
1. Communications a. [if] radio contact lost
(instructions)
b. if no transmissions received
for (number) minutes (or
seconds) (instructions)
c. reply not received (instructions)if
If loss of communications is d. if you read [manoeuvre
suspected instructions or squawk (code or
ident)
e. (manoeuvre or squawk)
observed, position (position of
aircraft), will continue to pass
instructions
2. Aircraft Directional Indicator Failure
when notified by pilot •a. compass failure
acknowledged, radar service
will continue using
no-compass procedures,
confirm familiar
When suspected by ATC •b. confirm heading
If heading response appears at variance •c. suspect your compass has
with the track of the radar return failed, radar service will
continue using no-compass
procedures, confirm familiar
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Civil Aviation Safety Authority Australia
GENERAL
09/2001
1
GENERAL
SECTION
PHRASES
In case of unreliable directional d. make all turns rate one
instruments on board aircraft (or rate half or (number) degrees
per second) execute
instructions immediately upon
receipt
e. turn left (or right) now
f. stop turn now
Radar Manoeuvres
Circumstances Phraseologies
*Denotes pilot transmission
1. General Manoeuvres a. leave (significant point) heading
(three digits) [inbound] [at (time)]
b. continue heading (three digits)
c. continue present heading
d. fly heading (three digits)
e. turn left (or right) (number)
degrees (or heading (three
digits)[reason]
f. orbit left (or right) [reason]
For avoiding action g. turn left (or right) immediately
[(number) degrees] or [heading
(three digits)] to avoid
[unidentified] traffic (bearing by
clock-reference and distance)
h. stop turn heading (three digits)
When instructing an aircraft to turn i. turn left (or right) - I say again
180° or more and in order to again - left (or right) heading
emphasise the direction of turn (three digits) [reason]
when necessary to specify a reason i. due traffic
for a manoeuvre, the following ii. for spacing
phraseologies should be used: iii.for delay
iv.for downwind (or base,
or final)
2. Aircraft Vectoring by Radar Service *a. request vectors [to (or from)
(aid, location or reason)]
b. do you want vectors?
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Civil Aviation Safety Authority Australia
GENERAL
09/2001
1
GENERAL
SECTION
PHRASES
Speed Control
Circumstances Phraseologies
*Denotes pilot transmission
1. Speed a. *speed (number) knots
Note: All speed communications shall (or MACH number)
relate to INDICATED AIRSPEED b. report speed or (climb or cruise]
unless otherwise stipulated. Where MACH number]
applicable, Mach Number may be c. maintain (number) knots (or
nominated as the basis of a speed MACH (number) until (location)
statement. d. maintain present speed
e. increase (or reduce) speed to (or
by) (number) knots
f. reduce to minimum approach
speed
when aircraft is required to reduce g. reduce to minimum clean
speed to the minimum position in a speed
clean configuration
When aircraft speed is pilot’s discretion h. no [ATC] speed restrictions
when ATC speed restrictions no longer i. resume normal speed
apply and the aircraft is required to
resume profile speeds in accordance
with procedural requirements.
Traffic Information
Circumstances Phraseologies
*Denotes pilot transmission
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