-
C2 command and control
-
C41 command, control, communications, computers & intelligence
-
C4ISR command, control, communications, computers, intelligence, surveillance and reconnaissance
-
C-MANPADS Counter-Man Portable Air Defense System
-
C/A code course acquisition code (GPS)
-
C/NO carrier-to-noise density ratio
-
C/R command/response
-
C/SOIT communications/surveillance operational implementation team
-
C/UT code/unit test
-
C&C command and control (also C2)
-
C&W control and warning
-
CA conflict alert
-
CAA Civil Aviation Administration
-
CAA Civil Aviation Authority
-
CAAC Civil Aviation Administration of China
-
CAAFI Commercial Aviation Alternative Fuels Initiative (FAA)
-
CAAS common avionics architecture system
-
CAASD Center for Advanced Aviation System Development (MITRE Corp.)
-
CAB Civil Aeronautics Board
-
CAC caution advisory computer
-
CACP cabin area control panel
-
CAD computer-aided design
-
CADAG Communications, Automation and Data Link Applications Group
-
CADC central air data computer (an analog system)
-
CADS centralized automatic dependent surveillance
-
CAE component application engineer
-
CAGE commercial avionics GPS engine
-
CAH cabin attendant handsets
-
CAI caution annunciator indicator
-
CALSEL variation of SELCAL system
-
CAM computer-aided manufacturing
-
CAN controller area network
-
CANbus control area network
-
CANSO Civil Air Navigation Services Organization
-
CAOC Combined Air Operations Center
-
CAP Civil Air Patrol (U.S.)
-
CAPA Coalition of Airline Pilots Association
-
CAPS commercial airliner protection system
-
CARE cooperative actions on R&D in Eurocontrol
-
CAS collision avoidance system
-
CAS commercially available software
-
CAS computed airspeed
-
CASA controller automated spacing aid
-
CASCADE Co-operative ATS (Air Traffic Services) through Surveillance and Communication Applications Deployed in ECAC (European Civil Aviation Conference)
-
CASE computer-aided software engineering
-
CASR Civil Aviation Safety Regulations
-
CASS Consolidated Automated Support System
-
CAT categories (I, II, IIIa/b/c) approach
-
CAT clear air turbulence
-
CAT computer aided testing
-
CAVS CDTI assisted visual separation
-
CBA cost/benefit analysis
-
CBT computer-based training
-
CC connection confirm
-
CCA circuit card assembly
-
CCB configuration control board
-
CCB converter circuit breaker
-
CCD category class diagram
-
CCD charged coupled device
-
CCD coherent change detection
-
CCD cursor control device
-
CCIR International Radio Consultative Committee
-
CCITT Consultative Committee International Telephone and Telegraph
-
CCP consolidated control panel
-
CCS cabin communication system
-
CCS common core system
-
CCTV closed-circuit television
-
CD carrier detect
-
CD chrominance difference
-
CDA continuous descent approach
-
CDA coordinating design authority
-
CDAM centralized data acquisition module
-
CDAM common data acquisition module
-
CDG configuration database generator
-
CDI course deviation indicator
-
CDM collaborative decision-making
-
CDMS CDM system
-
CDMS control and data management system
-
CDP continuous data program
-
CDR critical design review
-
CDS central dispatch system
-
CDS cockpit display systems
-
CDS common display system
-
CDSS cockpit door surveillance system
-
CDT controlled departure time
-
CDTI cockpit display of traffic information
-
CDU control display unit
-
CDV compressed digital video
-
CEC cooperative engagement capability
-
CEI cabin equipment interfaces
-
CENTCOM U.S. Central Command
-
CENTRIXS Combined Enterprise Regional Exchange System
-
CEP circular error probable
-
CF change field
-
CFDIU centralized fault display interface unit
-
CFDS central fault display system
-
CFDU configurable file data unit
-
CFIT controlled flight into terrain
-
CFM cubic feet per minute
-
CFM configuration management
-
CFMU central flow management unit
-
CFS cabin file server
-
CG center of gravity
-
CHAIN Compartmented High Assurance Information Network
-
CHI computer/human interface
-
CHIS center hydraulic isolation system
-
CI configuration item
-
CI cabin interphone
-
CID category interaction diagram
-
CIDIN common ICAO data interchange network
-
CIDS cabin interphone distribution system
-
CIE Commission Internationale de I‘Eclairage
-
CIGS copper-indium-gallium-diselenide
-
CIP capital investment plan
-
CIP convergence & implementation program (Eurocontrol)
-
CIS common information services
-
CIS corporate information system
-
CLNP connectionless network protocol
-
CLNS connectionless network service
-
CLTP connectionless mode transport protocol
-
CM context/configuration management
-
CMC central maintenance computer
-
CMCF CMC function
-
CMCS CMC system
-
CMD command
-
CMF common message format
-
CMGT contract management
-
CMM capability maturity model
-
CMM common mode monitor
-
CMM component maintenance manual
-
CMN control motion noise
-
CMOS complementary metal oxide semiconductor
-
CMP configuration management plan
-
CMS cabin management system
-
CMU communication management unit
-
CND can not duplicate
-
CNDB customized navigation database
-
CNES Centre National d’Etudes Spatiales (France)
-
CNI communications, navigation and identification
-
CNP com/nav/pulse
-
CNR customer notification reports
-
CNS communication, navigation surveillance
-
CNS/ATM communications, navigation, surveillance/air traffic management
-
CNSI com/nav/surveillance/identification
-
CNUS cabin network server unit
-
COA certificate of authorization
-
CODEC coder/decoder
-
COM cockpit operating manual
-
COMINT communications intelligence
-
COMINT/DF COMINT direction finding
-
COMM communications
-
COM/MET/OPS communications/meteorological/operations
-
CON continuous
-
COMSAT Communications Satellite Corp.
-
CONOPS concept of operations
-
CONUS continental United States
-
COP character-oriented protocol
-
COTP connection-oriented transport protocol
-
COTR contracting officer’s technical representative
-
COTS commercial-off-the-shelf
-
CP central processor
-
CP conflict probe
-
CP control panel
-
CPA closest point of approach
-
CPA Coalition of Airline Pilots Associations
-
CPA collision prediction and alerting
-
CPC cabin pressure controller
-
CPC controller-pilot communications
-
CPC cursor position control
-
CPCI computer program configuration item
-
CPCS cabin pressure control system
-
CPDLC controller-pilot data link communications
-
CPE circular position error
-
CPI continuous process improvement
-
CPM core processing module
-
CPM critical path method
-
CPS cabin pressure sensor
-
CPS central processing system
-
CPU central processing unit
-
CR change of request
-
CR connection request
-
CR contrast ratio
-
CRA conflict resolution advisory
-
CRAF Civil Reserve Air Fleet
-
CRC cyclic redundancy checking/code
-
CRD current routing domain
-
CRADA cooperative research and development agreement
-
CRM crew/cockpit resource management
-
CRPA controlled reception pattern antenna
-
CRS Congressional Research Service (U.S.)
-
CRISD computer resources integrated support document
-
CRISTAL CoopeRative Validation of Surveillance Techniques and Applications (Eurocontrol)
-
CRM collision risk model
-
CRM crew resource management
-
CRMA code reuse multiple access
-
CRR cutover readiness review
-
CRS course
-
CRT cathode ray tube
-
CRZ cruise
-
CS commercial service
-
CS common service
-
CSC cargo system controller
-
CSC common signaling channel
-
CSC computer software component
-
CSCI computer software configuration item
-
CSF command/status frame
-
CsLEOS BAE Systems real-time operating system
-
CSMA carrier sense multiple access
-
CSMA/CD carrier sense multiple access with collision detection
-
CSCP cabin system control panel
-
CSDB commercial standard data bus
-
CSDS cargo smoke detector system
-
CSEU control systems electronics unit
-
CSMM crash survivable memory modules
-
CSMU cabin system management unit
-
CSP Common Sensor Payload
-
CSPA closely spaced parallel approach
-
CSS cabin systems subcommittee
-
CSTAC Commercial Space Transportation Advisory Committee (FAA)
-
CSU channel service unit
-
CSU computer software unit
-
CSU configuration strapping unit
-
CTA control area
-
CTA controlled time of arrival
-
CTAF common traffic advisory frequency
-
CTAI cowl thermal anti-icing
-
CTAS center TRACON automation system
-
CTC cabin temperature controller
-
CTD cabin training device
-
CTL control
-
CTMO centralized air traffic flow management organization
-
CTOL conventional takeoff and landing
-
CTR center
-
CTR control zone
-
CTRD configuration test requirements document
-
CTRL control
-
CTS clear to send
-
CTS conformance test suite
-
CTS/TCTS combat training system/tactical combat training system
-
CTU cabin telecommunications unit
-
CU channel utilization
-
CU combiner unit (HUD)
-
CU control unit
-
CUG closed user group
-
CUTE common use terminal equipment
-
CV/DFDR cockpit voice and digital flight data recorder
-
CVR cockpit voice recorder
-
CVRCP cockpit voice recorder control panel
-
CW clockwise
-
CW continuous wave
-
CWI continuous wave interference
-
CWID Coalition Warrior Interoperability Demonstration
-
CWP central weather processor
-
CWP controller/ed working position
-
CWS control wheel steering
