D DELETED
D DEMAND
D DIODE
D. A. H. DOWTY AEROSPACE HYDRAULICS
DA DAIMLERCHRYSLER AEROSPACE AIRBUS
DA DRIFT ANGLE
DABS DISCRETE ADDRESS BEACON SYSTEM (ATC MODE 5)
DAC DESIGN APERTURE CARDS
DAC DIGITAL TO ANALOG CONVERTER
DAC DRAWING APERTURE CARD
DADC DIGITAL AIR DATA COMPUTER
DADS DIGITAL AIR DATA SYSTEM
DAF DAMPING ALLEVIATION FUNCTION
DAM DATA ACQUISITION MODULE
DAMP DAMPER
DAMV DOUBLE ANNULAR MODULATING VALVE
DAN DEUTSCHE AIRBUS NORM
DAR DIGITAL ACMS RECORDER
DAR DIGITAL AIDS RECORDER
DASA DEUTSCHE AEROSPACE
DATAC DIGITAL AURONOMOUS TERMINAL ACCESS COMMUNICATION (ARINC629)
DB DATA BIT
DB DATABASE
DBLR DOUBLER
DC DEVICE CONTROL
DC DIGITAL COMMON
DC DIRECT CURRENT
DCD DECODE
DCD DOUBLE CHANNEL DUPLEX
DCDR DECODER
DCF DOCUMENT COMPOSITION FACILITY
DCH DISCHARGE
DCP DISCRETE CODING PANEL
DCPU DATA LINK CONTROL & DISPLAY UNIT
DCS DESIGNATED CERTIFICATION SPECIALIST
DCS DOUBLE CHANNEL SIMPLEX
DCVR DIRECT CURRENT VOLTAGE RATIO
DDA DIGITAL DIFFERENTIAL ACCUMULATION
DDD DESIGN DESCRIPTION DOCUMENT
DDI DESIGN DRAWING INSTRUCTION
DDI DOCUMENTARY DATA INSERT
DDM DEPTH OF DIFFERENTIAL MODULATION
DDM DIGITAL DATA MODULE
DDRMI DIGITAL DISTANCE AND RADIO MAGNETIC INDICATOR
DDS DECLINATION (=VAR)
DDT DOWN LINK DATA TRANSFER
DEC DIGITAL DATA MODULE
DECEL DECELERATE, DECELERATION
DECR DECREASE
DEDP DATA ENTRY AND DISPLAY PANEL
DEF DEFINITION
DEFDARS DIGITAL EXPANDABLE FLIGHT DATA ACQUISITION AND RECORDING SYSTEM
DEFL DEFLECT
DEG C DEGREE CELSIUS
DEG F DEGREE FAHRENHEIT
DEG DEGREE
DEL DELAYS
DEL DELETE
DEL DELETION
DELTA P DIFFERENTIAL PRESSURE
20 Aircraft Systems - Abbreviations and Acronyms

DEM DIGITAL ELECTRONIC MODULE
DEMOD DEMODULATOR
DEMUX DEMULTIPLEXER
DEP DATA ENTRY PLUG
DEP DEPARTURE
DEPL DEPLOY
DEPRESS DEPRESSURIZATION
DEPT DEPARTMENT
DES DESCENT
DESC DESCENT
DESCR DESCRIPTION
DEST DESTINATION
DET DETECTION DETECTOR
DET DETENT
DEU DECODER / ENCODER UNIT
DEV DEVIATION
DEVN DEVIATION
DEX ACCESS DEMANDED
DF DIRECTION FINDER
DFA DELAYED FLAPS APPROACH
DFCS DIGITAL FLIGHT CONTROL SYSTEM
DFDAMU DIGITAL FLIGHT DATA ACQUISITION AND MANAGEMENT UNIT
DFDAU DIGITAL FLIGHT DATA ACQUISITION UNIT
DFDR DIGITAL FLIGHT DATA RECORDER
DFDRS DIGITAL FLIGHT DATA RECORDER SYSTEM
DFT DRIFT
DG DIRECTIONAL GYRO
DGA DELEGATION GENERALE POUR L'ARMEMENT
DGAC DIECTION GENERALE DE L'AVIATION CIVILE