Aviation Maintenance Terms beginning with D

D/A

Digital-to-Analog

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DAC

Digital-to-Analog Converter

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DADC

Digital Air-data Computer

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dB

Decibel

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DBT

Dead Bus Tie

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DC

Direct current. Electrical current in which the electrons always flow in the same direction.

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dc

Direct Current

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DCDR

Decoder

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DCPC

Direct Controller Pilot Communication

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DDB

Digital Data Bus

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DEMOD

Demodulator

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DEMUX

Demultiplexer

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DFDR

Digital Flight Data Recorder

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DG

Directional Gyro

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DGTL

Digital

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DH

Decision Height

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DISC

Disconnect

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DISC SOL

Disconnect Solenoid

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DISTR

Distribution

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DMA

Direct Memory Access

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DMB

Dead Main Bus

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DMC

Display Management Computer

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DME

Distance-measuring Equipment

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DME

Distance Measuring Equipment

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DME

Distance measuring equipment compatible with TACAN.

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DME

Distance measuring equipment.

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DMEA

Distance-measuring Equipment Antenna

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DN

Down

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DU

Display Unit

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