Phraseology
=Level instructions=
In the text below the word “level” is used for either:
- FLIGHT LEVEL . . . . .
- . . . . . FEET
==Simple instruction:==
- CLIMB (or DESCEND) TO . . . . . (level)
==Defining a condition for level change:==
- CLIMB(or DESCEND) followed by:
:1) TO AND MAINTAIN BLOCK . . . . . (level) TO . . . . . (level)
:2) TO REACH . . . . . (level) AT (or BY) . . . . . (time or significant point)
:3) REPORT LEAVING (or REACHING, or PASSING) . . . . . (level)
:4) AT . . . . . (number) FEET PER MINUTE [OR GREATER (or OR LESS)]
:5) REPORT STARTING ACCELERATION (or DECELERATION) (For SuperSonic Transport aircraft only)
- MAINTAIN AT LEAST . . . . . FEET ABOVE (or BELOW) . . . . . (aircraft call sign)
- REQUEST LEVEL (or FLIGHT LEVEL or ALTITUDE) CHANGE FROM . . . . . (name of unit) [AT . . . . . (time or significant point)]
- STOP CLIMB (or DESCENT) AT . . . . . (level)
=TCAS=
==After modifying vertical speed to comply with an ACAS resolution advisory (Pilot and controller interchange):==
- (Pilot:) TCAS CLIMB (or DESCENT)
- (ATC:) . . . . . (aircraft callsign), ROGER
==After ACAS “Clear of Conflict” is annunciate (Pilot and controller interchange):==
- (Pilot:) RETURNING TO . . . . . (assigned clearance)
- (ATC:) . . . . . (aircraft callsign), ROGER (or alternative instructions)
==After the response to an ACAS resolution advisory is completed (Pilot and controller interchange):==
- (Pilot:) TCAS CLIMB (or DESCENT), RETURNING TO . . . . . (assigned clearance)
- (ATC:) . . . . . (aircraft callsign), ROGER (or alternative instructions)
==After returning to clearance after responding to an ACAS resolution advisory (Pilot and controller interchange):==
- (Pilot:) TCAS CLIMB (or DESCENT), COMPLETED . . . . . (assigned clearance) RESUMED
- (ATC:) . . . . . (aircraft callsign), ROGER (or alternative instructions)
==When unable to comply with a clearance because of an ACAS resolution advisory (Pilot and controller interchange):==
- (Pilot:) UNABLE , TCAS RESOLUTION ADVISORY
- (ATC:) . . . . . (aircraft callsign), ROGER
=Transfer of control and/or frequency change=
Note: An aircraft may be requested to “STAND BY” on a frequency when it is intended that the ATS unit will initiate communications soon and to “MONITOR” a frequency when information is being broadcast thereon.
- CONTACT . . . . . (unit call sign) . . . . . (frequency) [NOW]
- AT (or OVER) . . . . . (time or place) [or WHEN] [PASSING/LEAVING/REACHING] . . . . . (level)] CONTACT . . . . . (unit call sign) . . . . . (frequency)
- IF NO CONTACT, . . . . . (instructions)
- STAND BY FOR . . . . . (unit call sign) . . . . .(frequency)
- (Pilot:) REQUEST CHANGE TO . . . . .(frequency)
- (ATC:) FREQUENCY CHANGE APPROVED
- (ATC:) MONITOR . . . . . (broadcast station) . . . . . (frequency)
- (Pilot:) MONITORING . . . . . (frequency)
- WHEN READY CONTACT . . . . . (unit call sign) . . . . . (frequency)
- REMAIN THIS FREQUENCY
=Change of call sign=
==To instruct an aircraft to change its call sign==
- . . . . . (current callsign) CHANGE YOUR CALL SIGN TO . . . . . (new call sign) [UNTIL FURTHER ADVISED]
==To advise an aircraft to revert to the call sign indicated in the flight plan==
- . . . . . (current callsign) REVERT TO FLIGHT PLAN CALL SIGN . . . . . (call sign) [AT . . . . . (significant point)].
=Traffic information=
- TRAFFIC . . . . . (information)
==To pass traffic information==
- NO REPORTED TRAFFIC
==To acknowledge traffic information==
- (Pilot:) LOOKING OUT
- (Pilot:) TRAFFIC IN SIGHT
- (Pilot:) NEGATIVE CONTACT . . . . . [reasons]
- [ADDITIONAL] TRAFFIC . . . . . (direction) BOUND . . . . . (type of aircraft) . . . . . (level) ESTIMATED (or OVER) . . . . . (significant point) AT . . . . . (time)
- CONTINUE CLIMB (or DESCENT) TO . . . . . (level)
- EXPEDITE CLIMB (or DESCENT) [UNTIL PASSING . . . . . (level)]
- WHEN READY CLIMB (or DESCEND) TO . . . . . (level)
- EXPECT CLIMB(or DESCEND) AT . . . . . (time or significant point)
- (Pilot:) REQUEST DESCENT AT . . . . . (time)
==To require action at a specific time or place:==
- IMMEDIATELY
- AFTER PASSING . . . . . (significant point)
- AT . . . . . (time or significant point)
==To require action when convenient:==
- WHEN READY . . . . . (instruction)
==To require an ACFT to climb or descend maintaining own separation and VMC:==
- MAINTAIN OWN SEPARATION AND VMC [FROM . . . . . (level)][TO . . . . . (level)]
- MAINTAIN OWN SEPARATION AND VMC ABOVE (or BELOW, or TO) . . . . . (level)
=Position reporting=
- NEXT REPORT AT . . . . . (significant point)
==To omit position reports until a specified position:==
- OMIT POSITION REPORTS [UNTIL . . . . . (specify)]
- RESUME POSITION REPORTING
==Additional reports:==
- REPORT PASSING . . . . (significant point)
==To request a report at a specified place or distance:==
- REPORT . . . . . (distance) FROM . . . . . (name of DME station) DME
- REPORT PASSING . . . . . (three digits) RADIAL (name of VOR) . . . . . VOR
==To request a report of present position:==
- REPORT DISTANCE FROM . . . . . (significant point)
- REPORT DISTANCE FROM . . . . . (name of DME station) DME
=RVSM operations:=
==To ascertain RVSM approval status of an aircraft:==
- (ATC:) CONFIRM RVSM APPROVED
==To report RVSM approved status:==
- (Pilot:) AFFIRM RVSM
==To report RVSM non-approved status followed by supplementary information==
- (Pilot:) NEGATIVE RVSM (supplementary information, e.g. State aircraft)
==To deny ATC clearance into RVSM airspace==
- (ATC:) UNABLE ISSUE CLEARANCE INTO RVSM AIRSPACE, MAINTAIN (or DESCEND TO, or CLIMB TO) . . . . . (level)
==To report when severe turbulence affects the capability of an aircraft to maintain height-keeping requirements for RVSM==
- (Pilot:) UNABLE RVSM DUE TURBULENCE
==To report that the equipment of an aircraft has degraded below minimum aviation system performance standards==
- (Pilot:) UNABLE RVSM DUE EQUIPMENT
==To request an aircraft to provide information as soon as RVSM-approved status has been regained or the pilot is ready to resume RVSM operations==
- (ATC:) REPORT WHEN ABLE TO RESUME RVSM
==To request confirmation that an aircraft has regained RVSM-approved status or a pilot is ready to resume RVSM operations==
- (ATC:) CONFIRM ABLE TO RESUME RVSM
==To report ability to resume RVSM operations after an equipment or weather-related contingency==
- (Pilot:) READY TO RESUME RVSM
Printable View