Acronyms: C

Acronym	Name
C	SMA/CD carrier sense multiple access with collision detection
C&A	Certification and Accreditation
C&C	Command and control
C&W	Control and warning
C-MANPADS	Counter-Man Portable Air Defense System
C/A	Coarse Acquisition
C/A	Code course acquisition code (GPS)
C/NO	Carrier-to-noise density ratio
C/R	Command/response
C/S/S/N	Capacity/Safety/Security/Noise
C/SOIT	Communications/surveillance operational implementation team
C/UT	Code/unit test
C2	Command and control
C3	Command, control and communication
C41	Command, control, communications, computers & intelligence
C4ISR	Command, control, communications, computers, intelligence, surveillance and reconnaissance
CA	Conflict alert
CAA	Cargo Airline Association
CAA	Civil Airworthiness Authority
CAA	Civil Aviation Administration
CAA	Civil Aviation Authority
CAA	Clean Air Act
CAAC	Civil Aviation Administration of China
CAAFI	Commercial Aviation Alternative Fuels Initiative
CAAFI	Commercial Aviation Alternative Fuels Initiative (FAA)
CAAS	Common avionics architecture system
CAASD	Center for Advanced Aviation System Development
CAASD	Center for Advanced Aviation System Development (MITRE Corp.)
CAB	Civil Aeronautics Board
CAB	Combat aviation brigade (U.S. Army)
CAC	Caution advisory computer
CAC	Citizen's Advisory Committee
CACP	Cabin area control panel
CAD	Computer Aided Design
CAD	Computer-aided Drawing
CAD	Computer-aided design
CADC	Central air data computer
CADS	Centralized automatic dependent surveillance
CAE	Component application engineer
CAEG	Computer-aided Engineering Graphics
CAGE	Commercial avionics GPS engine
CAH	Cabin attendant handsets
CAI	Caution annunciator indicator
CAI	Contractor-Acceptance Inspection
CAIRS	Cable Assignment Information Retrieval System
CALSEL	Variation of SELCAL system
CAM	Computer-aided manufacturing
CAMI	Civil Aerospace Medical Institute
CAN	Controller area network
CANSO	Civil Air Navigation Services Organization
CANbus	Control area network
CAOC	Combined Air Operations Center
CAP	Civil Air Patrol
CAP	Civil Air Patrol (U.S.)
CAP	Collaborative Arrival Planning
CAP	Corrective Action Plan
CAPA	Coalition of Airline Pilots Associations
CAPS	Commercial airliner protection system
CAR	Civil Aviation Regulations
CARAT	Center for Aviation Research and Aerospace Technology
CARE	Cooperative actions on R&D in Eurocontrol
CARES	Coronavirus Aid, Relief, and Economic Security (CARES) Act
CARF	Central Altitude Reservation Facility
CARF	Central Altitude Reservation Function
CARS	Civilian Air Routes System
CARSR	Common Air Route Surveillance Radar
CARTS	Common Automated Radar Terminal System
CAS	CDTI assisted separation
CAS	Close air support
CAS	Collision avoidance system
CAS	Commercially available software
CAS	Computed airspeed
CAS	Cost Accounting System
CASA	Civil Aviation Safety Authority
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
CASFO	Civil Aviation Security Office
CASR	Civil Aviation Safety Regulations
CASS	Consolidated Automated Support System
CASS	Continuing Analysis and Surveillance System
CASST	Commercial Aviation Safety Strategic Team
CAST	Certification Authority Software Team
CASTLE	Consolidated Automated System for Time and Labor Entry
CAT	Categories (I, II, IIIa/b/c) approach
CAT	Category
CAT	Clear Air Turbulence
CAT	Clear air turbulence
CAT	Clear — Air Turbulence
CAT	Computer aided testing
CATEX	Categorical exclusion
CATM	Collaborative Air Traffic Management
CATMT	Collaborative Air Traffic Management Technologies
CATS	Certification Activity Tracking System
CATTS	Computerized Air Traffic Training System
CATX	Categorical Exclusion
CAU	Crypto Ancillary Unit
CAVS CDTI	Assisted visual separation
CBA	Cost/benefit analysis
CBI	Computer Based Instruction

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Acronyms: C