phrases may be used. Words in square parentheses indicate optional additional words or information that may be necessary in specific instances.
2.11 Examples of the application of the phraseologies contained in Parts VI and X may be found in the Manual of Radiotelephony.
3.1 General
Circumstances
3.1.1 Description of levels (subsequently referred to as “(level)”)
3.1.2 Level changes, reports and rates
... for SST aircraft only
3. Phraseologies
Phraseologies
a) FLIGHT LEVEL (number); or b) (number) METRES; or c) (number) FEET.
a) CLIMB (or DESCEND); followed as necessary by: i) TO (level); ii) TO REACH (level) AT (or BY) (time or significant point); iii) REPORT LEAVING (or REACHING, or PASSING) (level); iv) REPORT PASSING ODD (or EVEN) LEVELS;
v) AT (number) METRES PER SECOND (or FEET PER MINUTE) [MINIMUM (or MAXIMUM)]; vi) REPORT STARTING ACCELERATION (or DECELERATION). b) STEP CLIMB (aircraft identification) ABOVE (or BENEATH) YOU; c) REQUEST LEVEL CHANGE FROM (name of unit) AT (time or significant point); d) STOP CLIMB (or DESCENT) AT (level); e) CONTINUE CLIMB (or DESCENT) TO (level);
X. Phraseologies
Circumstances Phraseologies
f) EXPEDITE CLIMB (or DESCENT) [UNTIL PASSING (level)];
g) WHEN READY CLIMB (or DESCEND) TO (level);
h) EXPECT DESCENT AT (time);
*i) REQUEST DESCENT AT (time);
... to require action at a j) IMMEDIATELY;
specific time or place
k) AFTER PASSING (significant point);
l) AT (time or significant point);
... to require action m) WHEN READY (instruction);
when convenient
... to require an aircraft to n) MAINTAIN OWN SEPARATION AND VMC [FROM (level)]
climb or descend maintaining [TO (level)];
own separation and VMC
o) MAINTAIN OWN SEPARATION AND VMC ABOVE (or
BELOW, or TO) (level);
... when there is doubt that an p) IF NOT POSSIBLE (alternative instructions) AND ADVISE;
aircraft can comply with a
clearance or instruction
... when a pilot is unable *q) UNABLE TO COMPLY;
to comply with a clearance
or instruction
... after modifying vertical speed to *r) TCAS CLIMB (or DESCENT);
comply with an ACAS resolution
advisory (Pilot and controller
interchange) s) (acknowledgement);
... after ACAS “Clear of Conflict” is *t) RETURNING TO (assigned clearance);
annunciated (Pilot and controller
interchange) u) (acknowledgement) (or alternative instructions);
... after the response to an ACAS *v) TCAS CLIMB (or DESCENT), RETURNING TO (assigned clearance);
resolution advisory is completed
(Pilot and controller interchange)
w) (acknowledgement) (or alternative instructions);
Circumstances
... after returning to clearance after responding to an ACAS resolution advisory (Pilot and controller interchange)
... when unable to comply with a clearance because of an ACAS resolution advisory (Pilot and controller interchange)
3.1.3 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 and to “MONITOR” a frequency when information is being broadcast thereon.
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