Civil aviation dictionary
Aviation glossary
Terms, abbreviations and procedures explained without unnecessary jargon, with English names and clear definitions.
- Total entries
- 2480
- Terms
- 435
- Abbreviations
- 2045
D
- Abbreviationdaily flight log
DFL stands for daily flight log in FAA terminology.
- Abbreviationdangerous cargo
DGCGO stands for dangerous cargo in FAA terminology.
- AbbreviationData Communications Control Unit
DCCU stands for Data Communications Control Unit in FAA terminology.
- AbbreviationData Communications Equipment
DCE stands for Data Communications Equipment in FAA terminology.
- AbbreviationData link VOLMET
D‐VOLMET stands for Data link VOLMET in FAA terminology.
- AbbreviationDay Visual Flight Rules
DVFR stands for Day Visual Flight Rules in FAA terminology.
- OperationsDEBRIS RESPONSE AREA (DRA)
Used by ATC. Areas of airspace that may be activated in response to unplanned falling debris in the NAS.
- AbbreviationDecision Altitude/Decision Height
DA stands for Decision Altitude/Decision Height in FAA terminology.
- AbbreviationDecision Altitude/Height
DA/H stands for Decision Altitude/Height in FAA terminology.
- AbbreviationDefense Commercial Communications Office
DECCO stands for Defense Commercial Communications Office in FAA terminology.
- AbbreviationDefense Communications Agency
DCA stands for Defense Communications Agency in FAA terminology.
- Abbreviationdefense communications system
DCS stands for defense communications system in FAA terminology.
- AbbreviationDefense Mapping Agency Aerospace Center
DMAAC stands for Defense Mapping Agency Aerospace Center in FAA terminology.
- AbbreviationDefense Mapping Agency Hydrographic Center
DMAHC stands for Defense Mapping Agency Hydrographic Center in FAA terminology.
- OperationsDELAY ASSIGNMENT (DAS)
Delays are distributed to aircraft based on the traffic management program parameters.
- Abbreviationdelay clearance or delayed clearance
DLC stands for delay clearance or delayed clearance in FAA terminology.
- OperationsDELAY COUNTDOWN TIMER (DCT)
The display of the delay that must be absorbed by a flight prior to crossing a Meter Reference Element (MRE) to meet the TBFM Scheduled Time of Arrival (STA).
- Abbreviationdelay time
DLAT stands for delay time in FAA terminology.
- Abbreviationdense upper cloud
DUC stands for dense upper cloud in FAA terminology.
- MeteorologyDensity altitude
The altitude in the standard atmosphere corresponding to actual air density.
- AbbreviationDenver International Airport
DIA stands for Denver International Airport in FAA terminology.
- Abbreviationdeparture approval request for IFR flight
DI stands for departure approval request for IFR flight in FAA terminology.
- Abbreviationdeparture end of runway
DER stands for departure end of runway in FAA terminology.
- AbbreviationDeployment Readiness Review
DRR stands for Deployment Readiness Review in FAA terminology.