X. Phraseologies
Circumstances  Phraseologies
f)  RUNWAY REPORT AT (observation time) RUNWAY (number) (type of precipitant) UP TO (depth of deposit) MILLIMETRES. BRAKING ACTION GOOD (or MEDIUM TO GOOD, or MEDIUM, or MEDIUM TO POOR, or POOR or UNRELIABLE) [and/or BRAKING COEFFICIENT (equipment and number)];
g)  BRAKING ACTION REPORTED BY (aircraft type) AT (time) GOOD (or MEDIUM, or POOR);
h)  RUNWAY (or TAXIWAY) WET [or DAMP, WATER PATCHES, FLOODED (depth), or SNOW REMOVED (length and width as applicable), or TREATED, or COVERED WITH PATCHES OF DRY SNOW (or WET SNOW, or COMPACTED SNOW, or SLUSH, or FROZEN SLUSH, or ICE, or ICE UNDERNEATH, or ICE AND SNOW, or SNOWDRIFTS, or FROZEN RUTS AND RIDGES)].
3.1.10  Operational status of visual and non-visual aids
a) (specify visual or non-visual aid) RUNWAY (number) (description of deficiency); b) (type) LIGHTING (unserviceability); c) MLS/ILS CATEGORY (category) (serviceability state); d) TAXIWAY LIGHTING (description of deficiency); e) (type of visual approach slope indicator) RUNWAY (number) (description of deficiency); f) SECONDARY POWER SUPPLY NOT AVAILABLE.
Circumstances  Phraseologies
3.2  Area control services
3.2.1  Issuance of a clearance a) (name of unit) CLEARS (aircraft identification); b) (aircraft) CLEARED TO; c) RECLEARED (amended clearance details); d) RECLEARED (amended route portion) TO (significant point of original route);
e)  ENTER CONTROL AREA (or ZONE) [VIA (significant point)] AT (level) [AT (time)];
Circumstances Phraseologies
3.2.2 Indication of route and clearance limit
3.2.3 Maintenance of specified levels
f) LEAVE CONTROL AREA (or ZONE) AT (level) (or CLIMBING, or DESCENDING); g) JOIN (specify) AT (significant point) AT (level) [AT (time)]. 
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; Note.— Conditions associated with the use of this phrase are in Part III, 12.2. iv) VIA (distance) ARC (direction) OF (name of DME station) DME; v) OUT OF CONTROL AREA (or ZONE) (distance) (direction) OF (place); c) (level or route) NOT AVAILABLE DUE (reason) ALTERNATIVE[S] IS/ARE (levels or routes) ADVISE. 
a) MAINTAIN (level) [TO (significant point)]; b) MAINTAIN (level) UNTIL PASSING (significant point); c) MAINTAIN (level) UNTIL (time); d) MAINTAIN (level) UNTIL ADVISED BY (name of unit); e) MAINTAIN (level) UNTIL FURTHER ADVISED; f) MAINTAIN (level) WHILE IN CONTROLLED AIRSPACE; g) MAINTAIN AT LEAST (number) METRES (or FEET) ABOVE (or BELOW) (aircraft identification). Note.— The term “MAINTAIN” is not to be used in lieu of “DESCEND” or “CLIMB” when instructing an aircraft to change level. 

X. Phraseologies
Circumstances Phraseologies
3.2.4 Specification of cruising levels
3.2.5  Emergency descent 
3.2.6  If clearance cannot be issued 
immediately upon request 
3.2.7  En-route absorption of terminal delay 
3.2.8  Separation instructions 

a) CROSS (significant point) AT (or ABOVE, or BELOW) (level); b) CROSS (significant point) AT (time) OR LATER (or BEFORE) AT (level) [MAINTAINING OWN SEPARATION AND VMC]; c) CRUISE CLIMB BETWEEN (levels) (or ABOVE (level)); d) CROSS (distance) (name of DME station) DME AT (or ABOVE, or BELOW) (level). 
*a) EMERGENCY DESCENT (intentions); b) EMERGENCY DESCENT AT (significant point or location) ALL AIRCRAFT BELOW (level) WITHIN (distance) OF (significant point or navigation aid) LEAVE IMMEDIATELY (followed as necessary by specific instructions as to direction, heading or track, etc.). * Denotes pilot transmission. 
EXPECT CLEARANCE AT (time). 
AT (time or position) DESCEND TO (level) FOR EN-ROUTE DELAY OF (number) MINUTES. 
a) CROSS (significant point) AT (time); b) ADVISE IF ABLE TO CROSS (significant point) AT (time); c) MAINTAIN MACH (number). 
　
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