AIRCRAFT ABBREVIATIONS

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c Equal Margin
cu Cubic
C "Celsius, Centigrade"
C Clear
C Close
C Cold (Electric Point)
C Comparator
C Convertible
C Cyan
C-MOS Complementary Metal Oxyde Semiconductor
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
Ci Curie
CombL Combustible Liquid
Cor.M Corrosive Material
CA Cable
CAA Civil Aviation Authority
CAB Cabin
CAB PRESS Cabin Pressurization
CAD Computer Aided Design
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
CAN Canopy
CANC Cancel
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 Calculated Air Speed
CAS Calibrated Air Speed
CAS Collision Avoidance System
CAS Computed Air Speed
CAT Category
CAT Clear Air Turbulence
CAUT Caution
CAUT LT Caution Light
CBAL Counterbalance
CBMS Circuit Breaker Monitoring System
CBMU Circuit Breaker Monitoring Unit
CBO Cycles between Overhaul
CBORE Counterbore
CBR California Bearing Ratio
CBSV Cycles Between Scheduled Visits
CC Current Comparator
CCC Component Change Card
CCC Crash Crew Chart
CCCP Compressor Cavity Control Pressure
CCG Cabin Configuration Guide
CCITT Consultative Committee International Telegraphy & Teleph
CCQ Crew Cross Qualification
CCR Customer Change Register
CCS Cabin Communications System
CCW Counter Clockwise
CD Cold Drawn
CD Control Display
CD Count Drag
CD-ROM Compact Disc - Read Only Memory
CD-WD Component Data Working Document
CDDS Component Documentation Data System
CDE Consumption Data Exchange Card
CDIM Component Data Instruction Manual
CDL Configuration Deviation List
CDP Compressor Discharge Pressure
CDS Cold Drawn Steel
CDS Component Documentation Status
CDU Center Drive Unit
CDU Control and Display Unit
CECAM Centralized Cabin Monitoring
CED Cooling Effect Detector
CEL Component Evolution List
CEV Clutch Electro Valve
CF Course to a Fixed Waypoint
CFDIU Centralized Fault Display Interface Unit
CFDS Centralized Fault Display System
CFE Customer Furnished Equipment
CFH Cubic Feet per Hour
CFM Cable Fabrication Manual
CFM Cubic Feet per Minute
CFMI CFM International
CFR Code of Federal Regulations
CFRP Carbon Fiber Reinforced Plastic
CFS Cold Finished Steel
CG Center of Gravity
CGCS Center of Gravity Control System
CGM Computer Graphics Metafile
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 Course to an Intercept
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.
CIT Compressor Inlet Temperature
CK Check
CKD Checked
CKPT Cockpit
CKT Circuit
CL Center Line
CL Check List
CL Clip
CL Clutch
CLB Climb
CLD Closed
CLDB Component Location Data Bank
CLG Ceiling
CLG Centerline Landing Gear
CLK Clock
CLM Component Location Manual
CLN Clinometer
CLNG Ceiling
CLOG Clogging
CLP Clamp
CLPR Clapper
CLR Clear
CLR ALT Clearance Altitude
CLRD Cleared
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 Crew Member
CMC Central Maintenance Computer
CMD Command
CMFLR Cam Follower
CML Consumable Material List
CMM Calibration Memory Module
CMM Component Maintenance Manual
CMMM Component Maintenance Manual Manufacturer
CMP Customer Maintenance Program
CMPLRY Complementary
CMPNT Component
CMPS CPLR Compass Coupler
CMPTG Computing
CMPTR Computer
CMRLR Cam Roller
CMS Cabin Management System
CMS Central Maintenance System
CMS Code Matiere Societe
CMS Code Mati£re SociÙtÙ
CMS Component Maintenance Sheet
CNA Common Nozzle Assembly
CNCT Connect
CNCTD Connected
CNCTN Connection
CNCTR Connector
CNCTRC Concentric
CNCV Concave
CND Conduit
CNTNR Container
CNTOR Contactor
CNTR Counter
CNTRTR Concentrator
CO Company
CO Cut-Off
CO RTE Company Route
COAX Coaxial
COC Customer Originated Change
COHO Coherent Oscillator
COL Column
COM Common
COM Communication
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
CONT "Continue, Continuous"
CONT Contour
CONT Controller
CONV Converter
COOL "Cooling, Cooler"
COORD Coordinate
COPI Copilot
CORA Customer Order Administration
CORCTD Corrected
CORR Correct
CORR Corrugate
CORR Corrugation
COS Cosine
COT Cotter
COUNT Counter
COV Cover
COWL Cowling
CP Clock Pulse
CPC Cabin Pressure Controller
CPCS Cabin Pressure Control System
CPCU Cabin Pressure Control Unit
CPDLC Controller-Pilot DataLink Communications
CPL Couple
CPLD Coupled
CPLG Coupling
CPLR Coupler
CPMS Cabin and Passenger Management System
CPMU Cabin Passenger Management Unit
CPRSR Compressor
CPT Capture
CPU Central Processing Unit
CR Cold Rolled
CRC Camera Ready Copy
CRC Continuous Repetitive Chime
CRC Crew Rest Compartment
CRC Cyclic Redundancy Check
CRE Corrosion-Resistant
CRES Corrosion-Resistant Steel
CRG Cargo
CRI Certification Review Item
CRK Crank
CRL Collar
CRS Cold Rolled Steel
CRS Course
CRSN Corrosion
CRT Cathode Ray Tube
CRU Card Reader Unit
CRZ Cruise
CS Cabin Cleaners Steps
CS Call Switch
CS Center Spar
CS Centistokes
CSD Constant Speed Drive
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
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
CTL Central
CTL Control
CTR Center
CTR Contour
CTR Control Zone
CTRD Centered
CTSK Countersunk
CTWT Counterweight
CU Control Unit
CUDU Current Unbalance Detection Unit
CUR Current
CVL Configuration Variation List
CVR Cockpit Voice Recorder
CVT Center Vent Tube
CVU Crypto Voice Unit
CW Clockwise
CWG Cockpit Working Group
CWS Control Wheel Steering
CWY Clearway
CY Calendar Year - Current Year
CY Cycle
CYL Cylinder
CA/CRL Certification Authority/Certificate Revocation List
CANCD Cancelled
CATCH Complex Anomaly Tracking and Search
CAX Compartment Air Extraction
CBB Connexion By Boeing
CBIT Continuous BITE
CBM Circuit Breaker Monitoring
CBMF Circuit Breaker Monitoring Function
CCD Cursor Control Device
CCOM Cabin Crew Operating Manual
CCRC Cabin Crew Rest Compartment
CCRM Cabin Crew Rest Module
CDAM Centralized Data Acquisition Module
CDC Cargo Door Controller
CDLCU Cockpit Door Locking Control Unit
CDLS Cockpit Door Locking System
CDSS Cockpit Door Surveillance System
CDSU Cockpit Door Surveillance Unit
CE Centralized Equipment
CELLI Ceiling Emergency LED Light
CER Contr?le Essais et R?ception
CFVCU Cargo Fire Verification Control Unit
CFVS Cargo Fire Verification System
CGCC Center of Gravity Control Computer
CINS Cabin Information Network System
CIU Camera Interface Unit
CL/OP Closure/Opening
CLCTR Collector
CLEDU Cabin LED Unit
CLOGD Clogged
CLRNC Clearance
CMEU Cabin Passenger Management Memory Expansion Unit
CMF Central Maintenance Function
CMMV Component Maintenance Manual Vendor
CMPLTD Completed
CMT Cabin Management Terminal
CMV Concentrator and Multiplexer for Video
CNSU Cabin Network Server Unit
COCT Cabin Operations Consultation Tool
COLLI Contour LED Light
COMDL Coding Module
CONFIRMD Confirmed
CONSUMPT Consumption
COOLG Cooling
COOLR Cooler
COTS Commercial Off-The-Shelf
CPIF Control Power Intermediate Frequency
CPIOM Core Processing Input/Output Module
CPNY Company
CROSSFEEDR Crossfeeder
CSAS Cooled Service Air System
CTLR Controller
CTU Cabin Telecommunications Unit
CVM Cabin Video Monitoring
CVMS Cabin Video Monitoring System
CVRS Cockpit Voice Recorder System
CVS Cargo Video Surveillance
CWLU Cabin Wireless LAN Unit
CWSIU Combined Wheel Speed Interface Unit
CAN Controller Area Network
CANC Cancellation
CCR Credit Card Reader
CD Compact Disk
CDS Control and Display System
CFS Cabin File Server
CI Cost Index
CM Conversion Module
COOL Cooler
COS Cowl Opening System
CRC Centralized Radio Control
CRS Certificate of Release to Service
CRU Central Refirgeration Unit
CRU Cabin Router Unit
CTK Center Tank
CWS Cabin Work Station
CAMO Continuing Airworthiness Management Organisation
CDAS Cargo Door Actuation System
CDAU Centralized Data Acquisition Unit
CDLC Centralized Data Loading Connector
CDM Cockpit Door Module
CEO Current Engine Option
CIR Common Information Repository
CJC Cold Junction Compensation
CMU Communications Management Unit
CSR Certificate Signing Request
CWB Center Wing Box
CFR Current Flight Report
CH Cargo Hold
COC Cabin Operation Center
CS Certification Specification
CSAS Conditioned Service Air System
CW Continuous Wave

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