...C | Centre (preceded by runway designation number to identify a parallel runway) |
C | Degrees Celsius (Centigrade) |
CAA | Civil Aviation Authority |
CAC | Circling Approach Chart |
CAT | Category |
CAT | Clear air turbulence |
CAVOK | Visibility, cloud and present weather better than prescribed values or conditions |
CB | Cumulonimbus |
CC | Cirrocumulus |
CDR | Conditional route |
CDN | Coordination (message type designator) |
CFMU | Central Flow Management Unit |
CH | Channel |
CHG | Modification (message type designator) |
CI | Cirrus |
CIDIN | Common ICAO Data Interchange Network |
CIT | Near or over large town |
CIV | Civil |
CK | Check |
CL | Centre line |
CLA | Clear type of ice formation |
CLBR | Calibration |
CLD | Cloud |
CLR | Clear or cleared to ... or clearance |
CLSD | Close or closed or closing |
CM | Centimetre |
CMB | Climb to or climbing to |
CMPL | Completion or completed or complete |
CNL | Cancel or cancelled |
CNL | Flight plan cancellation (message type designator) |
CNS | Communications, navigation and surveillance |
COM | Communications |
CONC | Concrete |
COND | Condition |
CONS | Continuous |
CONST | Construction or constructed |
CONT | Continue or continued |
COOR | Co−ordinate or co−ordination |
COP | Change−over point |
COR | Correct or corrected or correction (used to indicie corrected meteorological message |
COV | Cover or covered or covering |
CPDLC | Controller−pilot data link communications |
CPL | Current flight plan (message type designator) |
CRAM | Conditional route availability message |
CRZ | Cruise |
CS | Call sign |
CS | Cirrostratus |
CTA | Control area |
CTC | Contact |
CTL | Control |
CTN | Caution |
CTR | Control zone |
CU | Cumulus |
CUF | Cumuliform |
CUST | Customs |
CVR | Cockpit voice recorder |
CVSM | Conventional vertical separation minimum |
CWY | Clearway |
© 2012-21 Kristina Novotna