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