D - Aviation Glossary
- Danger Area [ICAO]
- Dark adaptation
- Data Block
- Data Link Automatic Terminal Information Service (D-ATIS) [ICAO]
- Datum (Reference Datum)
- DC
- Dead reckoning
- Deceleration error
- Decision Altitude (DA)
- Decision Altitude (DA)/Decision Height (DH) [ICAO]
- Decision Height (DH)
- Decoder
- Defense Area
- Defense Visual Flight Rules (DVFR)
- Deice
- Delay Assignment (DAS)
- DELAY INDEFINITE (reason if known) EXPECT FURTHER CLEARANCE (time)
- Delay Time (DT)
- Delta
- Density altitude
- Departure Center
- Departure Control
- Departure procedure (DP)
- Departure Sequencing Program (DSP)
- Departure Time
- Deposition
- DESCEND VIA
- Descent Speed Adjustments
- Designated Common Traffic Advisory Frequency (CTAF) Area
- Desired Course
- Desired Track
- Detonation
- DETRESFA (DISTRESS PHASE) [ICAO]
- Deviation
- Deviations
- Dew. Moisture that has condensed from water vapor
- Dewpoint
- DH
- Differential ailerons
- Differential Global Positioning System (DGPS)
- Differential pressure
- Digital Target
- Digital Terminal Automation System (DTAS)
- Digital-Automatic Terminal Information Service (D-ATIS)
- Digitized Target
- Dihedral
- Diluter-demand oxygen system
- Direct
- Direct air carrier
- Direct indication
- Direct User Access Terminal System (DUATS)
- Directional stability
- Directly Behind
- Discrete Beacon Code
- Discrete Code
- Discrete Frequency
- Displaced Threshold
- Distance Measuring Equipment (DME)
- Distress
- Dive Brakes
- Diverse Vector Area (DVA)
- Diversion
- DME
- DME arc
- DME Fix
- DME Separation
- DOD
- DOD commercial air carrier evaluator
- DOD FLIP
- Doghouse
- Domestic Airspace
- Domestic operation
- Domestic Reduced Vertical Separation Minimum (DRVSM)
- Double gimbal
- Downburst
- Downwind Leg
- Drag
- Drag Chute
- Drag curve
- Drift angle
- Drop Zone
- Dry runway
- Due Regard
- Duplex
- Dutch roll
- Duty Runway
- DVFR
- DVFR Flight Plan
- Dynamic
- Dynamic hydroplaning
- Dynamic Restrictions
- Dynamic stability