Acronyms: C

Acronym	Name
CG center	Of gravity
CGAS	Coast Guard Air Station
CHAIN	Compartmented High Assurance Information Network
CHI	Computer Human Interface
CHI	Computer/human interface
CHIS	Center hydraulic isolation system
CI	Cabin interphone
CI	Configuration item
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
CIO	Chief Information Officer
CIP	Capital Improvement Plan
CIP	Capital investment plan
CIP	Convergence & implementation program (Eurocontrol)
CIS	Common information services
CIS	Corporate information system
CISO	Chief Information Security Officer
CIWS	Corridor Integrated Weather System
CLC	Course Line Computer
CLEEN	Continuous Lower Energy, Emissions & Noise
CLEEN	Continuous Lower Energy, Emissions and Noise Program (FAA)
CLIN	Contract Line Item
CLNP	Connectionless network protocol
CLNS	Connectionless network service
CLT	Calculated Landing Time
CLTP	Connectionless mode transport protocol
CM	Commercial Service Airport
CM	Configuration Management
CM	Context/configuration management
CMAP	Center Mapping Automation Program
CMC	Central maintenance computer
CMCF	CMC function
CMCS	CMC system
CMD	Command
CMF	Common message format
CMFO	Certificate Management Field Office
CMGT	Contract management
CMIS	Certificate Management Information System
CMM	Capability maturity model
CMM	Common mode monitor
CMM	Component maintenance manual
CMN	Control motion noise
CMO	Certificate Management Office
CMOS	Complementary metal oxide semiconductor
CMP	Configuration management plan
CMS	Cabin management system
CMU	Certificate Management Unit
CMU	Communication management unit
CND	Can not duplicate
CNDB	Customized navigation database
CNES	Centre National d’Etudes Spatiales (France)
CNG 2020+	Carbon neutral growth from 2020 and beyond (AIA)
CNI	Communications, navigation and identification
CNMPS	Canadian Minimum Navigation Performance Specification Airspace
CNP	Communications/navigation/pulse
CNR	Customer notification reports
CNS	Communication, navigation surveillance
CNS	Communications, Navigation and Surveillance
CNS	Consolidated NOTAM System
CNS/ATM	Communications, navigation, surveillance/air traffic management
CNSI	Communications/navigation/surveillance/identification
CNSP	Consolidated NOTAM System Processor
CNUS	Cabin network server unit
CO	Central Office
CO	Contracting Officer
COA	Certificate of Waiver or Authorization
COA	Certificate of authorization
COCOM	Combatant commander (U.S. Army)
CODEC	Coder/decoder
COE	Center of Excellence
COE	U.S. Army Corps of Engineers
COM	Cockpit operating manual
COM/MET/OPS	Communications/Meteorological/Operations
COMCO	Command Communications Outlet
COMINT	Communications intelligence
COMINT/DF	COMINT direction finding
COMM	Communications
CON	Continuous
CONEMP	Concept of employment (U.S. Army)
CONOPS	Concept of operations
CONUS	Continental United States
CONUSE	Concept of use
COOP	Continuity of Operations Plan
COP	Character-oriented protocol
COP	Common operating picture (U.S. Army)
CORP	Private Corporation other than ARINC or MITRE
COTP	Connection-oriented transport protocol
COTR	Contracting Officer's Technical Representative
COTR	Contracting officer’s technical representative
COTS	Commercial Off-the-Shelf
COTS	Commercial-off-the-shelf
CP	Central processor
CP	Conflict probe
CP	Control panel
CPA	Closest point of approach
CPA	Collision prediction and alerting
CPC	Cabin pressure controller

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Acronyms: C