digital fire control system (DFCS)

digital audio control system

fire extinguishing system sprinkler system and fire alarm system

full authority digital engine control (FADEC)

digital training management system (DTMS)

digital flight data recorder system

electronic digital tracking and ranging system

electronic navigation digital data system

digital radio frequency memory (DRFM) decoy system

individual control (of fire) / individual fire control

fire-control director / fire control director

fire control orders (FCO) ('Hold Fire', 'Cease Fire' and 'Engage')

slant fire; diagonal fire; oblique fire; fire to the oblique

digital ballistic computer

digital battlefield centerpiece

digital communications

digital data bus

Digital Selective Calling (DSC)

Digital Point Precision Data Base (DPPDB)

digital adaptive technique for efficient communications

digital automatic transducer and recorder

modified integration digital analogue simulator

Common IFF Digital Transponder Program (CXP)

instrumentation digital online transcriber

on-board digital computer / on-board computer

analog-digital converter (ADC)

digital index

digital-to-analog converter (DАC)

digital flight data

digital flight recorder

digital speech communication

digital telemeter receiver

digital terminal