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(a) This subpart prescribes standard phraseology to be used in the particular circumstances stated, in accordance with the requirements of rule 172.105.
(b) In this subpart, words in brackets indicate an appropriate insertion is required and an oblique stroke indicates a choice is required to be made from the alternatives separated by the stroke.
(a) Unavailability of route or cruising level
When it is not possible to clear a flight via the preferred route or cruising level:
“(route and/or level) NOT AVAILABLE DUE (reason)”
(b) Block levels
(1) When approving a requested block level:
“MAINTAIN BLOCK (level) TO (level)”
(2) When cancelling a block level:
“CANCEL BLOCK CLEARANCE ...”
(c) DME climbs and descents
(1) When authorising a DME step climb procedure:
“CLIMB ABOVE DME STEPS” or
“CLIMB ABOVE VORSEC DME STEPS”
(2) When authorising a DME step descent procedure:
“DESCEND DME STEPS TO (level)” or
“DESCEND VORSEC DME STEPS TO (level)”
(d) Visual departures
When authorising a visual departure:
“VISUAL DEPARTURE”
(e) Holding
When issuing a holding instruction where more than one holding pattern is published for a specified geographical location:
“HOLD AT (designator). ENTER THE (descriptor) HOLDING PATTERN”
(f) Precautionary holding
When issuing a holding instruction to New Zealand operators, when that instruction is likely to be cancelled before the aircraft reaches the designated holding point:
“PRECAUTIONARY HOLD”
(g) Runway operations
(1) When approving a request for a stop and go landing:
“CLEARED STOP AND GO”
(2) When emphasising the runway to be used for landing:
“RUNWAY (designator) CLEARED TO LAND”
(3) When an expeditious take-off is required:
“CLEARED IMMEDIATE TAKE-OFF”
(h) Land and hold short operations
When requiring an aircraft to terminate its landing run in less than the available runway length:
“LAND AND HOLD SHORT BY (taxiway or other specified point)”
(i) Visual separation
When requiring a pilot to maintain visual separation from another aircraft:
“MAINTAIN VISUAL SEPARATION FROM (traffic) TO/UNTIL (clearance limit)”
(j) Terrain clearance
(1) When advising a pilot that a descent clearance is based on a radar terrain contour map use the suffix:
“... RADAR TERRAIN”
(2) When requiring pilots to arrange their own terrain clearance:
“MAINTAIN TERRAIN CLEARANCE VISUALLY”
(k) Confirmation of unlawful interference
When seeking verification that the SSR transponder Mode A code 7500 has been set intentionally:
“CONFIRM SQUAWKING 7500”
(l) Helicopter operations
When approving helicopter operations at a controlled aerodrome, but outside the manoeuvring area:
“LAND/TAKEOFF/AIR TAXI AT YOUR DISCRETION”
(m) Traffic avoidance advice
When initiating, or responding to a request for, traffic avoidance advice:
“SUGGEST ....”
(n) Traffic information
When indicating there is no pertinent IFR traffic information:
“NO REPORTED IFR TRAFFIC”
(o) Joining the circuit
(1) When instructing an aircraft to make the standard overhead joining procedure:
“MAKE STANDARD OVERHEAD JOIN”
(2) When instructing an aircraft to cross over the aerodrome, then follow specific joining instructions:
“CROSS OVERHEAD, JOIN (specific instructions)”
(a) Release instructions to aerodrome control
(1) When there are no restrictions:
“RELEASED”
(2) When the aircraft is to be held on the ground:
“HOLD”
(3) When a release is based on clock time:
“CLEARANCE VALID/EXPIRES AT (time)”
(4) When a release is based on time interval:
“RELEASED (number of minutes) MINUTES BEHIND (leading aircraft)”
(5) When a release is based on the application of vertical separation:
“RELEASED AFTER (leading aircraft call sign) HAS PASSED (level)”
(6) When a release is subject to aerodrome control providing separation from specified traffic, where RYS means “Released, your separation”:
“RYS (call sign of conflicting traffic) (details of conflicting traffic, if not already passed)”
(b) Clarification of responsibility for providing separation
When assigning or clarifying who is providing separation, and to acknowledge the arrangement:
“MY SEPARATION/YOUR SEPARATION (call sign of conflicting traffic)”
(c) Co-ordination between surveillance controllers
(1) When effecting a transfer of control:
“RELEASE (details)”
(2) When identity only is being transferred:
“IDENT (details)”
(d) Negotiation of revised estimate messages
(1) Invitation by transferring controller:
“WILL YOU ACCEPT (details)”
(2) Refusal by accepting controller:
“NEGATIVE, WILL ACCEPT (alternative details)”
