CPS Cabin Pressure Sensor
CPU Central Processing Unit
CR (1) Change Request
(2) Contrast Ratio
CRADA Cooperative Research and Development Agreement
CRES Corrosion Resistant Steel
CRC (1) Cyclic Redundancy Code
(2) Cyclic Redundancy Check
CRPA Controlled Reception Pattern Antenna
CRS Course
CRT Cathode Ray Tube
CRZ Cruise
CSC Cargo System Controller
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
C/SOIT Communications/Surveillance Operational
Implementation Team
CSU Configuration Strapping Unit
CTA (1) Controlled Time of Arrival
(2) Common Traffic Advisory
CTAI Cowl Thermal Anti-Icing
CTAS Center Tracon Automation System
CTC Cabin Temperature Controller
CTL Control
CTMO Centralized Air Traffic Flow Management Organization
CTOL Conventional Take Off and Landing
CTR Control zone
CTRD Configuration Test Requirements Document
CTS Clear To Send
CU Control Unit
CVR Cockpit Voice Recorder
CVRCP Cockpit Voice Recorder Control Panel
CW (1) Continuous Wave. A continuous train of identical
oscillations.
(2) Clockwise (cw)
C & W Control and Warning
CWI Continuous Wave Interference
CWP (1) Controlled Working Position
(2) Controller Working Position
CWS Control Wheel Steering
D
DA Descent Advisor
D/A Digital-to-Analog
DABS Discrete Addressable Beacon System
DADC Digital Air Data Computer
DADS Digital Air Data System
DAL Delta Air Lines
DARC Direct Access Radar Channel. An independent backup
to main ATC computers.
DARP Dynamic Aircraft Route Planning
DARPA Defense Advanced Research Projects Agency
Data Link A system that allows exchange of digital data over an
rf link. ATCSS is a data link system used by the air
traffic control system. ACARS is a data link system
used by airline command,control and management
system,using vhf communication frequencies.
D-ATIS Digital Automatic Terminal Information System
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