C

C
C	Celsius, Centigrade
C	Clear
C	Close
C	Cold (Electric Point)
C	Comparator
C	Convertible
C	Cyan
c	Equal Margin
C/B	Circuit Breaker
C/L	Check List
C/M	Command/Monitor
C/M	Crew Member
C/O	Change Over
C/S	Call Sign
C/SSR	Cost/Schedule Status Report
CA	Cable
CA	Cable Assembly
CA/CRL	Certification Authority/Certificate Revocation List
CAA	Civil Aviation Authority
CAB	Cabin
CAB PRESS	Cabin Pressurization
CAD	Computer Aided Design
CaDoc	Cabin Documentation Display
CAG	Circulation Aerienne Generale
CAGE	Commercial and Government Entity
CAI	Combustion Area Inspection
CAL	Calibration, Calibrated
CALC	Cargo Acceptance and Load Control
CAM	Cabin Assignment Module
CAM	Computer Aided Manufacturing
CAMO	Continuing Airworthiness Management Organisation
CAN	Canopy
CAN	Controller Area Network
CANC	Cancel
CANC	Cancellation
CANCD	Cancelled
CANTIL	Cantilever
CAO	Cargo Aircraft Only
CAOA	Corrected Angle Of Attack
CAOM	Cabin Attendant Operating Manual
CAP	Capacitor
CAPLTY	Capability
CAPT	Captain
CAR	Cargo
CAR	Civil Aviation Requirements
CARE	Continuing Airframe - Health Review and Evaluation
CARP	Carpet
CAS	Cabin Attendant Seat
CAS	Calculated Air Speed
CAS	Calibrated Air Speed
CAS	Collision Avoidance System
CAS	Computed Air Speed
CAT	Category
CAT	Clear Air Turbulence
CATCH	Complex Anomaly Tracking and Search
CATS	Cross Application Time Sheet
CAUT	Caution
CAUT LT	Caution Light
CAX	Compartment Air Extraction
CB	Circuit Breaker
CBAL	Counterbalance
CBB	Connexion By Boeing
CBIT	Continuous BITE
CBM	Circuit Breaker Monitoring
CBMF	Circuit Breaker Monitoring Function
CBMS	Circuit Breaker Monitoring System
CBMU	Circuit Breaker Monitoring Unit
CBO	Cycles between Overhaul
CBORE	Counterbore
CBP	Circuit Breaker Panel
CBR	California Bearing Ratio
CBSV	Cycles Between Scheduled Visits
CC	Current Comparator
CCB	Cargo Control Box
CCB	Compartment Control Box
CCC	Component Change Card
CCC	Crash Crew Chart
CCCP	Compressor Cavity Control Pressure
CCD	Cabin Crew Data
CCD	Cursor Control Device
CCG	Cabin Configuration Guide
CCITT	Consultative Committee International Telegraphy & Teleph
CCMail	Cabin Crew Mailing
CCOC	Combustion Casing Outer Case
CCOM	Cabin Crew Operating Manual
CCQ	Crew Cross Qualification
CCR	Credit Card Reader
CCR	Customer Change Register
CCRC	Cabin Crew Rest Compartment
CCRM	Cabin Crew Rest Module
CCS	Cabin Communications System
CCU	CSAS Control Unit
CCW	Counter Clockwise
CD	Cold Drawn
CD	Compact Disk
CD	Control Display
CD	Count Drag
CDA	Continuous Descent Approach
CDAM	Centralized Data Acquisition Module
CDAS	Cargo Door Actuation System
CDAU	Centralized Data Acquisition Unit
CDC	Cargo Door Controller
CDC	Crash Detection Circuit
CDCCL	Critical Design Configuration Control Limitations
CDCV	Cargo Door Control Valve
CDDS	Component Documentation Data System
CDE	Consumption Data Exchange Card
CDIM	Component Data Instruction Manual
CDL	Configuration Deviation List
CDLC	Centralized Data Loading Connector
CDLCU	Cockpit Door Locking Control Unit
CDLS	Cockpit Door Locking System
CDM	Cockpit Door Module
CDM	Coolant Distribution Module
CDP	Compressor Discharge Pressure
CD-ROM	Compact Disc - Read Only Memory
CDS	Cold Drawn Steel
CDS	Component Documentation Status
CDS	Control and Display System
CDSS	Cockpit Door Surveillance System
CDSU	Cockpit Door Surveillance Unit
CDT	Component Delivery Team
CDU	Center Drive Unit
CDU	Control and Display Unit
CD-WD	Component Data Working Document
CE	Centralized Equipment
CECAM	Centralized Cabin Monitoring
CED	Cooling Effect Detector
CEH	Complex Electronic Hardware
CEL	Component Evolution List
CELLI	Ceiling Emergency LED Light
CEO	Current Engine Option
CER	Circulation Essais Réception
CER	Contrôle Essais et Réception
CEV	Clutch Electro Valve
CF	Course to a Fixed Waypoint
CFC	Carbon Fiber Composite
CFDIU	Centralized Fault Display Interface Unit
CFDS	Centralized Fault Display System
CFE	Customer Furnished Equipment
CFFC	Cockpit Fixed Frequency Converter
CFH	Cubic Feet per Hour
CFM	Cable Fabrication Manual
CFM	Cubic Feet per Minute
CFMI	CFM International
CFR	Code of Federal Regulations
CFR	Current Flight Report
CFRP	Carbon Fiber Reinforced Plastic
CFS	Cabin File Server
CFS	Cold Finished Steel
CFVCU	Cargo Fire Verification Control Unit
CFVS	Cargo Fire Verification System
CG	Center of Gravity
CGCC	Center of Gravity Control Computer
CGCS	Center of Gravity Control System
CGM	Computer Graphics Metafile
CH	Cargo Hold
CH	Centre Hatrack
CH	Character
CH	Charge
CHAM	Chamfer
CHAN	Channel
CHAS	Chassis
CHG	Change
CHM	Chime
CHMBR	Chamber
CHRG	Charge
CHRO	Chronometer
CI	Cast iron
CI	Configuration Item
CI	Conversion Instruction
CI	Cost Index
CI	Course to an Intercept
Ci	Curie
CICS	Customer Information Control System
CICS/VS	Customer Information Control System/Virtual Storage
CIDS	Cabin Intercommunication Data System
CIM	Continuous Image Microfilm
CIN	Change Identification No.
CINS	Cabin Information Network System
CIR	Common Information Repository
CIT	Compressor Inlet Temperature
CIU	Camera Interface Unit
CJC	Cold Junction Compensation
CK	Check
CKD	Checked
CKPT	Cockpit
CKT	Circuit
CL	Center Line
CL	Check List
CL	Clip
CL	Clutch
CL/OP	Closure/Opening
CLB	Climb
CLCTR	Collector
CLD	Closed
CLDB	Component Location Data Bank
CLEDU	Cabin LED Unit
CLG	Ceiling
CLG	Centerline Landing Gear
CLK	Clock
CLM	Component Location Manual
CLN	Clinometer
CLNG	Ceiling
CLOG	Clogging
CLOGD	Clogged
CLP	Clamp
CLPR	Clapper
CLR ALT	Clearance Altitude
CLR	Clear
CLRD	Cleared
CLRNC	Clearance
CLS	Cargo Loading System
CLS	Cargo Loading System Manual
CLSD	Closed
CLSG	Closing
CLTM	Component Location Training Manual
CLV	Clevis
CM	Call Maintenance
CM	Centimeters
CM	Collective Modification
CM	Conversion Manual
CM	Conversion Module
CM	Crew Member
CMC	Central Maintenance Computer
CMD	Command
CMEU	Cabin Passenger Management Memory Expansion Unit
CMF	Central Maintenance Function
CMFLR	Cam Follower
CML	Consumable Material List
CMM	Calibration Memory Module
CMM	Component Maintenance Manual
CMM IPL	Component Maintenance Manual Illustrated Parts List
CMMM	Component Maintenance Manual Manufacturer
CMMV	Component Maintenance Manual Vendor
C-MOS	Complementary Metal Oxyde Semiconductor
CMP	Customer Maintenance Program
CMPLRY	Complementary
CMPLTD	Completed
CMPNT	Component
CMPS CPLR	Compass Coupler
CMPTG	Computing
CMPTR	Computer
CMR	Certification Maintenance Requirements
CMRLR	Cam Roller
CMS	Cabin Management System
CMS	Central Maintenance System
CMS	Centralized Maintenance System
CMS	Code Matière Société
CMS	Component Maintenance Sheet
CMT	Cabin Management Terminal
CMU	Communications Management Unit
CMV	Concentrator and Multiplexer for Video
CNA	Common Nozzle Assembly
CNCT	Connect
CNCTD	Connected
CNCTN	Connection
CNCTR	Connector
CNCTRC	Concentric
CNCV	Concave
CND	Conduit
CNQ	Cost of Non Quality
CNSU	Cabin Network Server Unit
CNTNR	Container
CNTOR	Contactor
CNTR	Counter
CNTRTR	Concentrator
CNU	Cabin Network Unit
CNX	CONNECTIVITY
CO	Company
CO	Cut-Off
CO RTE	Company Route
COAS	Cabin Operations Applications System
COAX	Coaxial
COC	Cabin Operation Center
COC	Customer Originated Change
COCT	Cabin Operations Consultation Tool
COHO	Coherent Oscillator
COL	Column
COLLI	Contour LED Light
COM	Command
COM	Common
COM	Communication
CombL	Combustible Liquid
COMC	CSAS Overheat Monitoring Controller
COMDL	Coding Module
COML	Commercial
COMP	Compass
COMP	Compensator
COMPSN	Compensation
COMPT	Compartment
COMPT TEMP	Compartment Temperature
COMPTR	Comparator
COMTN	Commutation
COND	Conditioned, Conditioning
CONDTN	Condition
CONDTR	Conditioner
CONFIG	Configuration
CONFIRMD	Confirmed
CONSUMPT	Consumption
CONT	Continue, Continuous
CONT	Contour
CONT	Controller
CONV	Converter
COOL	Cooling, Cooler
COOL	Cooler
COOLG	Cooling
COOLR	Cooler
COORD	Coordinate
COORD	Coordination
COPI	Copilot
Cor.M	Corrosive Material
CORA	Customer Order Administration
CORCTD	Corrected
CORR	Correct
CORR	Corrugate
CORR	Corrugation
COS	Cosine
COS	Cowl Opening System
COT	Cotter
COTS	Commercial Off-The-Shelf
COUNT	Counter
COV	Cover
COWL	Cowling
CP	Change Process
CP	Clock Pulse
CPC	Cabin Pressure Controller
CPCS	Cabin Pressure Control System
CPCU	Cabin Pressure Control Unit
CPDB	Customized Performance DataBase
CPDLC	Controller-Pilot DataLink Communications
CPIF	Control Power Intermediate Frequency
CPIOM	Core Processing Input/Output Module
CPL	Couple
CPLD	Coupled
CPLG	Coupling
CPLR	Coupler
CPMS	Cabin and Passenger Management System
CPMU	Cabin Passenger Management Unit
CPNY	Company
CPRSR	Compressor
CPT	Capture
CPU	Central Processing Unit
CR	CA Reallocation Request (notification type for ACR in ARP)
CR	Cold Rolled
CRC	Camera Ready Copy
CRC	Centralized Radio Control
CRC	Continuous Repetitive Chime
CRC	Crew Rest Compartment
CRC	Cyclic Redundancy Check
CRCCG	Cabin Crew Rest Compartment Configuration Guide
CRDC	Common Remote Data Concentrator
CRE	Corrosion-Resistant
CRES	Corrosion-Resistant Steel
CRG	Cargo
CRI	Certification Review Item
CRK	Crank
CRL	Collar
CRM	Communication Router Module
CROSSFEEDR	Crossfeeder
CRS	Certificate of Release to Service
CRS	Cold Rolled Steel
CRS	Course
CRSN	Corrosion
CRT	Cathode Ray Tube
CRU	Cabin Router Unit
CRU	Card Reader Unit
CRU	Central Refirgeration Unit
CRZ	Cruise
CS	Cabin Cleaners Steps
CS	Call Switch
CS	Center Spar
CS	Centistokes
CS	Certification Specification
CSAS	Conditioned Service Air System
CSAS	Cooled Service Air System
CSBS	Controllable Sunlight Blocking System
CSBSU	Controllable Sunlight Blocking System Unit
CSD	Constant Speed Drive
CSD	Customer Support Director
CSDD	Common Support Data Dictionary
CSDM	Cargo Smoke Detection Module
CSE	Course Set Error
CSF/L	Continuous Safe Flight/Landing
CSI	Cycles Since Installation
CSK	Countersink
CSKH	Countersunk Head
CSL	Console
CSM	Computer Software Manual
CSM/G	Constant Speed Motor/Generator
CSN	Catalog Sequence Number
CSR	Certificate Signing Request
CSTG	Casting
CSTR	Constraint
CSU	Command Sensor Unit
CSV	Cycles Since Last Shop Visit
CT	Center Tape
CT	Current Transformer
CTA	Control Area
CTF	Central Test Facilities
CTF.P	Central Test Facility Response
CTF.Q	Central Test Facility Questions
CTK	Capacity Tonne Kilometre
CTK	Center Tank
CTL	Central
CTL	Control
CTLR	Controller
CTR	Center
CTR	Contour
CTR	Control Zone
CTRD	Centered
CTSK	Countersunk
CTU	Cabin Telecommunications Unit
CTWT	Counterweight
CU	Cockpit Unit
CU	Control Unit
cu	Cubic
CUDU	Current Unbalance Detection Unit
CUR	Current
CVDR	Cockpit Voice and Data Recorder
CVL	Configuration Variation List
CVM	Cabin Video Monitoring
CVMS	Cabin Video Monitoring System
CVR	Cockpit Voice Recorder
CVRS	Cockpit Voice Recorder System
CVS	Cargo Video Surveillance
CVT	Center Vent Tube
CVU	Crypto Voice Unit
CW	Clockwise
CW	Continuous Wave
CWB	Center Wing Box
CWG	Cockpit Working Group
CWLU	Cabin Wireless LAN Unit
CWS	Cabin Work Station
CWS	Control Wheel Steering
CWSIU	Combined Wheel Speed Interface Unit
CWY	Clearway
CY	Calendar Year - Current Year
CY	Cycle
CYL	Cylinder