General resources

General

Radio telephony procedures

Clearances

AIP GEN 3.4

Circumstance Phraseology
KEY

Pilot transmission

Unique to Australia (ICAO Silent)

Military specific

1 Clearances (a) Request clearance
If the route and/or level issued in the
initial airways clearance is not in
accordance with the flight plan.
(b) Cleared to
(c) Cleared to (destination) [amended route] (route
clearance details) [amended level] (level)
If an airways clearance is amended
en route
(d) Recleared (amended clearance details) [rest of
clearance unchanged] [(level)]
(e) Recleared (amended route portion) to (significant
point of original route) [rest of clearance
unchanged] [(level)]
Where the clearance is relayed by a third
party, for example pilot/flight watch (ATC excepted)
(f) (Name of unit) clears (aircraft identification)
When clearance will be issued subject
to a delay
(g) Remain outside class (airspace class) [and (airspace
class)] airspace and standby
When clearance will be issued
at a specified time or place
(h) Remain outside class (airspace class) [and (airspace
class)] airspace, expect clearance at (time/place)
(i) Clearance not available, remain outside class
(airspace class) [and (airspace class)] airspace
When requesting a deviation from cleared
route
(j) Request to deviate up to (distance) miles left
(or right) of route due (reason)
When requesting a deviation from cleared
track
(k) Request to deviate up to (distance) miles left (or right) of track due (reason)
When a deviation from cleared route or
track is requested
(l) Deviate up to (distance) miles left (or right) of route
(or track)
When clearance cannot be issued (m) Unable, traffic (direction) bound (type of aircraft)
(level) estimated (or over) (significant point) at (time)
callsign (callsign) advise intentions
When a weather deviation has been
completed and onwards clearance is
requested
(n) Clear of weather (request (route clearance)]
When a weather deviation has been
completed and the aircraft has returned
to its cleared route
(o) Back on route (or track)
When subsequent restrictions/
requirements are imposed in addition to
previous restrictions/requirements to be
complied with.
(p) Further requirement
(q) [Re]enter control area (or zone) [via (significant
point)] at (level) [at (time)]
(r) Leave control area (or zone) at (level) (or climbing
or descending)
(s) Leave and re-enter controlled airspace at (level)
(or climbing to (level) or on (type of approach))
(t) Join (specify) at (significant point) at (level)
[at (time)]
2 Indication of route and clearance limit (a) From (place) to (place)
(b) To (place) followed as necessary by:
(i) direct
(ii) via (route and/or reporting points)
(iii) via flight planned route
(iv) via (distance) arc (direction) of (name of DME
station) DME
(c) (Level or route) not available due (reason)
alternative(s) is/are (levels or routes) advise
Issuing a specific clearance limit (d) Clearance limit (places/aid)
Issuing a SID (e) (Identifier) departure
When pilot requests, or ATC anticipates, a visual departure in lieu of a SID (f) [Clearance details] visual departure
3 When a clearance has been cancelled (a) Cancel clearance
(b) Cancel clearance
5 Requesting clearance
When notification of flight details had not
been submitted to ATS
(a) Flight details (inbound or for (departure or transit)]
Flight details to be passed after ATS
response
(b) (Aircraft type) (position) (route in controlled
airspace and next estimated) (preferred level)
If clearance cannot be issued
immediately (upon request)
(c) Expect clearance at (time or place)
If giving warning of clearance
requirement
(d) Expect clearance request (aircraft type) VFR
(if appropriate) for (destination) via (point outside
controlled airspace at which clearance will be
requested) estimate (estimate at destination) at
(altitude proposed for entry to controlled airspace)
Back to top