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It is currently 28 Apr 2017, 0:25

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Aviation abbreviation dictionary
                                                 
 

C

C — Centre, central
C — Degrees Celsius
CA — Course acquisition
CA/GRO — Certified air/ground radio operator
CA/GRS — Certified air/ground radio service
CAA — Civil Aviation Authority
CAAP — Civil Aviation Advisory Publication
CAB — Civil aeronautics board
CAGRO — Certified air ground radio operation
CAMO — Certified airworthiness management organisation
CAMP — Continuous airworthiness maintenance program
CAO — Civil aviation order
CAR — Civil Aviation Regulations
CAS — Calibrated airspeed
CASE — Computer aided software engineering
CASR — Civil aviation safety regulations
CAT — Category
CAT — Clear air turbulence
CAT — Computer aided testing
CAVOK — Ceiling and visibility OK
CB — Cumulonimbus
CBT — Competency-based training
CC — Cirrocumulus
CCA — Corrected meteorological message
CCF — Capability check flight
CCTS — Circuits
CD — Candela
CDCCL — Critical design configuration control limit
CDI — Course deviation indicator
CDL — Configuration deviation list
CDN — Coordination
CDT — Cockpit display of traffic information
CDU — Control display unit
CEN — En-route and area ATC unit
CEO — Chief executive officer
CET — Clearance expiry time
CF — Change frequency to
CFI — Chief flying instructor
CFIT — Controlled flight into terrain
CFL — Cleared flight level
CFM — Confirm, I confirm
CG — Centre of gravity
CGL — Circling guidance light(s)
CGS — Centimeter-gram-second
CH — Channel
CHG — Modification
CHTR — Charter
CI — Cirrus
CI — Cost index
CIDIN — Common ICAO Data Interchange Network
CIR — Command instrument rating
CIT — Compressor inlet temperature
CIT — Near, over large town(s)
CIV — Civil
CK — Check
CL — Centre line
CLA — Clear type of ice formation
CLB — Climb detent of the thrust levers
CLBR — Calibration
CLD — Cloud
CLG — Calling
CLIAS — Climbing indicated airspeed
CLMAX — Maximum co-efficient of lift
CLR — Clear, cleared to, clearance
CLSD — Close, closed, closing
CM (cm) — Centimetre
CMB — Climb to, climbing to
CMC — Central maintenance computer
CMM — Component Maintenance Manual
CMPL — Complete, completed, completion
CMPL — Configuration, maintenance and procedures
CMR — Certification maintenance requirements
CMSD — Commissioned
CNL — Cancel
CNL — Flight plan cancellation message
CNS — Communications, navigation and surveillance
CO — Continetnal
CO ROUTE — Company route
COA — Certificates of Approval
CofA — Certificate of Airworthiness
COM — Cockpit Operating Manual
COM — Communications
CON — Continuous
CONC — Concrete
COND — Condition
CONS — Continuous
CONST — Construction, constructed
CONT — Continue, continued
COOR — Coordinate, coordinated
COORD — Coordinates
COP — Change over point
COR — Correct, corrected, correction
CoR — Certificate of Registration
COS — Conical surface
COT — At the coast, coastal
COTR — Contracting officer’s technical representative
COTS — Commercial off the shelf
COV — Cover, covered, covering
CP — Chief pilot
CP — Control panel
CPCS — Cabin pressure control system
CPDLC — Controller-pilot data link communication
CPL — Commercial Pilot Licence
CPL — Current flight plan
CPU — Central processing unit
CRC — Cyclic redundancy check
CRM — Cockpit resource management
CRM — Crew research management
CRM — Crew resource management
CRS — Course
CRT — Cathode ray tube
CRZ — Cruise
CS — Call sign
CS — Cirrostratus
CSD — Constant speed drive
CSU — Constant speed unit
CTA — Control area
CTA — Controlled time of arrival
CTAF — Common traffic advisory frequency
CTAM — Climb to and maintain
CTAS — Center TRACON automation system
CTC — Category technical competency
CTC — Contact
CTL — Control
CTN — Caution
CTR — Center
CTR — Civil tilt rotor
CTR — Control zone
CTRL — Control
CU — Cumulus
CUF — Cumuliform
CUST — Customs
CVR — Cockpit voice recorder
CW — Carrier wave
CWS — Control wheel steering
CWY — Clearway

All times are UTC


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