U.S. DEPARTMENT OF TRANSPORTATION
FEDERAL AVIATION ADMINISTRATION
Air Traffic Organization Policy

ORDER
JO 7340.2D
Effective Date:
May 2, 2013
 
     

Subject:  Contractions
       Includes: Change 1 effective 8/22/13 and Change 2 effective 12/12/13    
 

[Back to Section 2. Encode]

D

Definition

Contraction

Usage

Daily

DLY

GEN

Daily

DLY

ICAO

daily flight log

DFL

GEN

Dakotas

DKTS

NWS

damage

DMG

GEN

danger

DGR

GEN

danger

DNG

ICAO

danger area

D

ICAO

dangerous cargo

DGCGO

GEN

data link

DOLLY

GEN

Data link automatic terminal information service

D­ATIS

ICAO

Data link initiation capability

DLIC

ICAO

Data link VOLMET

D­VOLMET

ICAO

data terminal equipment

DTE

GEN

data transmission feature

DTF

GEN

data transmission request

DTR

GEN

date of birth

DOB

GEN

date time group

DTG

GEN

Davide J. Hurley ATC Systems Command Center

ATCSCC

GEN

daybreak

DABRK

NWS

daylight

DALGT

GEN

dead reckoning

DR

ATC

decelerate

DCLRT

ATC

decibel

DB

GEN

decision altitude

DA

ICAO

decision height

DH

ICAO

decommission

DCMSN

GEN

decrease

DCR

GEN

deep

DP

NWS

deepening

DPNG

NWS

defense

DEF

GEN

defense combat maneuvers

DCM

ATC

Defense Commercial Communications Office

DECCO

GEN

Defense Communications Agency

DCA

GEN

defense communications system

DCS

GEN

Defense Mapping Agency Aerospace Center

DMAAC

GEN

Defense Mapping Agency Hydrographic Center

DMAHC

GEN

Defense Nuclear Agency

DNA

GEN

Defense Readiness Conditions

DEFCON

GEN

Defense Switching Network

DSN

GEN

defense VFR

DVFR

GEN

definite

DFNT

GEN

degree

DEG

ICAO

delay

DLA

ICAO

delay account of

DLAC

ATC

delay clearance or delayed clearance

DLC

ATC

delay indefinite

DI

ATC

delay time

DLAT

ATC

delayed

RTD

ICAO

delete

DLT

GEN

deliver

DLVR

GEN

deliver by telephone

DELPHO

GEN

delivery

DLVY

GEN

demolition

DEMOL

GEN

demonstration

DMSTN

GEN

dense

DNS

NWS

dense upper cloud

DUC

ICAO

depart

DEP

ATC

department

DEPT

GEN

Department of Commerce

DOC

GEN

Department of Defense

DOD

GEN

Department of Energy

DOE

GEN

Department of Transportation

DOT

GEN

departure

DEP

ICAO

departure approval request for IFR flight

DI

ATC

departure approved

DA

ATC

departure procedure

DPCR

ATC

Deployment Readiness Review

DRR

ATC

depth

DPT

ICAO

depth

DPTH

NWS

deputy chief

DCF

GEN

Deputy Commander for Operations

DO

GEN

descend

DSND

ATC

descend at pilot’s discretion

DAPD

ATC

descend immediately

DSNDI

ATC

descend so as to cross

DSATX

ATC

descend so as to reach

DSATR

ATC

descend to and cross

DTAX

ATC

descend to and cruise

DCRZ

ATC

descend to and maintain

DTAM

ATC

descend to or descending to

DES

ICAO

descend well to right

DWTR

ATC

descend well to right of course

DWRC

ATC

descent

DSCNT

ATC

describe

DB

GEN

designate a friction value representing runway surface conditions (Greek letter)

MU

GEN

designated

DSGND

GEN

desire

DSR

GEN

destination

DESTN

GEN

destined

DSTND

ATC

detail

DTL

GEN

deteriorate

DTRT

NWS

determine

DTRM

GEN

develop

DVLP

GEN

deviation

DEV

ATC

deviation approved as requested

DAAR

ATC

dew point

DWPNT

NWS

dew point temperature

DP

ICAO

diagonal

DGNL

GEN

diameter

DIAM

GEN

difference in depth of modulation

DDM

GEN

differs

DFRS

GEN

difficult

DFCLT

GEN

diffuse

DFUS

GEN

diffuse

DIF

ICAO

digital altimeter setting indicator

DASI

GEN

digital barometer altimeter setting indicator

DBASI

GEN

Digital flight data recorder

DFDR

ICAO

diminish

DMSH

NWS

Diplomatic Telecommunications Service

DTS

GEN

direct

DCT

ICAO

direct

DRCT

GEN

direct altitude and identification readout equipment

DAIRE

GEN

Direct controller­pilot communications

DCPC

ICAO

direct current

DC

GEN

direct readout infrared

DRIR

GEN

direct route

DR

GEN

direct user access terminal system

DUATS

GEN

direction

DRCTN

GEN

Directives Management Officer, FAA

DMO

GEN

director

DIR

GEN

disabled

DISABLD

GEN

discontinue

DISC

GEN

dispersal

DSPRL

GEN

displace

DSPLC

GEN

Displaced runway threshold

DTHR

ICAO

display

DSPL

GEN

disposition

DSPN

GEN

disregard

DSRGD

GEN

disseminate

DISEM

GEN

dissipate

DSIPT

NWS

distance

DIST

ICAO

distance

DSTC

GEN

distance from touchdown indicator

DFTI

GEN

distance measuring equipment

DME

ICAO

Distance Root Mean Square

DRMS

ATC

distant

DSNT

GEN

distant early warning

DEW

GEN

distant early warning identification zone

DEWIZ

GEN

distinguished visitors

DV

GEN

distort

DST

GEN

Distress Phase Code (Alerting Service)

DETRESFA

ATC

distribute

DISTR

GEN

district

DIST

GEN

district airport engineer

DAE

GEN

ditto

DO

GEN

diverge

DVRG

GEN

diversion

DVRSN

GEN

divert

DIV

ICAO

division

DIV

GEN

DME­collocated with glide slope

DMEG

GEN

DME­collocated with localizer

DMEL

GEN

DME­collocated with VOR

DMEV

GEN

DME­tactical air navigation with DME only commissioned

DMER

GEN

do all possible

DAP

GEN

do not pass to Air Defense radar

NOPAR

ATC

Do you intend to ask me for a series of bearings? Or I intend to ask you for a series of bearings

QDL

ICAO

docking

DCKG

ICAO

document

DCMT

GEN

doing business as

DBA

GEN

domestic

DOM

ICAO

domestic services (island operations)

DS

GEN

dominant

DMNT

GEN

doppler VHF omni­directional radio range

DVOR

ICAO

double

DBL

GEN

double channel duplex

DCD

ICAO

double channel simplex

DCS

GEN

double sideband

DSB

ICAO

doubtful

DBTF

GEN

downdrafts

DWNDFTS

NWS

downslope

DNSLP

NWS

downstream

DNSTRM

NWS

downward vertical velocity

DVV

NWS

downwind

DNWND

ATC

drawing

DWG

GEN

drift

DRFT

NWS

drizzle

DRZL

NWS

drizzle

DZ

ICAO

dual tandem wheels

DTW

ICAO

dual wheels

DW

ICAO

duplex

DX

GEN

duplicate

DUPE

GEN

duration

DUR

ICAO

duration

DURN

GEN

during

DRG

ICAO

during

DURG

GEN

during climb

DURC

ATC

during descent

DURD

ATC

dust devils

PO

METAR

dust storm

DS

METAR

duststorm, sandstorm, rising dust or sand

SA

METAR

 

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