CSN CYCLES SINCE NEW
CSO CYCLES SINCE OVERHAUL
CSP COMMAND SLAVE PROCESSOR
CSTG CASTING
CSTR CONSTRAINT
CSU COMMAND SENSOR UNIT
CSU CONTROL SENSOR UNIT
CSV CYCLES SINCE LAST SHOP VISIT
CT CATERING TRUCK
CT CENTER TAP
CT CONTROL THERMOSTAT
CT CONTROL TRANSFORMER
CT CURRENT TRANSFORMER
CTA CONTROL AREA
CTC CABIN TEMPERATURE CONTROLLER
CTC CABIN TEMPERATURE CONTROLLER
CTF CENTRAL TEST FACILITY
CTK CAPACITY TON-KILOMETER
CTL PNL CONTROL PANEL
CTL CENTRAL
CTL CONTROL
CTLD CONTROLLED
CTLG CENTER LANDING GEAR
CTLR CONTROLLER
CTR TK XFR VLV CENTER TANK TRANSFER VALVE
CTR XFR VLV CENTER TRANSFER VALVE
CTR CENTER
CTR CONTOUR
CTR CONTROL ZONE
CTRD CENTERED
CTS CLEAR TO SEND
CTS CONTROL TEMPERATURE SENSOR
CTSK COUNTER SUNK
CTWT COUNTER WEIGHT
CU CONTROL UNIT
CUDU CURRENT UNBALANCE DETECTOR UNIT
CUR CURRENCY
CUR CURRENT
CVC CARGO VENTILATION CONTROLLER
CVD CONTROL VALVE DETENT
CVR COCKPIT VOICE RECORDER
CW CLOCK WISE
CW CONTINUOUS WAVE
CW CONTROL WHEEL
CWG COCKPIT WORKING GROUP
CWS CENTRAL WARNING SYSTEM
CWS CONTROL WHEEL STEERING
CX CONTROL TRANSMITTER
CY CALENDAR YEAR
CY CURRENT YEAR
CYAN BLUE
CYL CYLINDER
D DELTA
D & C DELAYS AND CANCELLATIONS
D / A DIGITAL TO ANALOG
D / N DATA BASE NUMBER