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

ORDER
JO 7340.2D
Effective Date:
April 3, 2014
 
     

Subject:  Contractions
       Includes: Change 1 effective 8/22/13, Change 2 effective 12/12/13, and Change 3 effective
       4/3/14
 
 

[Back to Section 2. Encode]

Definition

Contraction

Usage

1 or 2 octas (eighths) cloud coverage

FEW

METAR

abandon

ABND

GEN

abbreviate

ABBR

GEN

Abbreviated precision approach path indicator

APAPI

ICAO

Abbreviated T visual approach slope indicator system

AT­VASIS

ICAO

abeam

ABM

GEN

abnormal

ABNML

GEN

aboard

ABD

GEN

about

ABT

GEN

above

ABV

ICAO

above aerodrome level

AAL

ICAO

above clouds

ACLD

GEN

above ground level

AGL

ICAO

above mean sea level

AMSL

GEN

above mountains

MON

ICAO

above sea level

ASL

GEN

above transmitted as received

ATAR

GEN

absolute (temperature)

A

NWS

abundant

ABNDT

GEN

accelerate

ACLT

GEN

accelerate­stop distance available

ASDA

GEN

accept

ACPT

GEN

acceptance (message type designator)

ACP

ICAO

access

ACES

GEN

accident

ACDNT

GEN

accident notice

ACNOT

GEN

accompany

ACPY

GEN

account

ACCT

GEN

account mechanical

AMECH

GEN

account traffic

ATFC

GEN

account weather

AWX

GEN

accumulate

ACCUM

GEN

acknowledge

ACK

GEN

acknowledgement of receipt (message handling)

R

GEN

acrobatic

ACRBT

ATC

across

ACRS

GEN

acting

ACTG

GEN

activate

ACTVT

GEN

activate IFR flight plan

AIFP

ATC

activate VFR flight plan

AVFP

ATC

active

ACTV

GEN

active or activated or activity

ACT

ICAO

actual time of arrival

ATA

ATC

actual time of departure

ATD

ATC

actual time of penetration

ATP

ATC

actual time of release

ATRLS

ATC

actual wind factor

ALWF

NWS

addition

ADDN

GEN

additional traffic is

ADNL TFC

ATC

address

ADS

GEN

adequate

ADQT

GEN

adirondack

ADRNDCK

NWS

adjacent

ADJ

ICAO

administration

ADMIN

GEN

administrative

ADMIV

GEN

administrator

ADMIR

GEN

advance

ADVN

GEN

Advance boundary information

ABI

ICAO

Advanced Navigation Routes

ANR

ATC

advection

ADVCTN

NWS

advice

ADVC

GEN

advise

ADV

NWS

advise

ADZ

GEN

advise arrival

ADZAR

ATC

advise at what time able

AAWTA

ICAO

advise by air mail as soon as possible

ADMAP

GEN

advise customs

ADCUS

GEN

advise disposition

ADSPN

GEN

advise if able

AIA

ATC

advise if able to proceed

AAP

ATC

advise if not correct

ADNOK

ATC

advise intentions

ADZI

ATC

advise or issue instructions to all concerned

ADCON

GEN

advise present position and altitude

APPA

ATC

advise reason for delay

ADRDE

ATC

advise this office

ADZOF

GEN

advise when able

AWA

ATC

advise when established

AWE

ATC

advisory

ADVY

NWS

advisory

ADZY

GEN

advisory

ADZY

ATC

advisory

ADVZY

ATC

advisory area

ADA

ATC

Advisory Circular

AC

GEN

advisory route

ADR

ATC

aerial

ARL

ATC

aerodrome

AD

ICAO

aerodrome beacon

ABN

ICAO

Aerodrome chart

ADC

ICAO

aerodrome control tower

TWR

ICAO

aerodrome flight information service

AFIS

ICAO

aerodrome forecast

TAF

ICAO

aerodrome obstacle chart (followed by type & name/title)

AOC

ICAO

Aerodrome office (specify service)

ADO

ICAO

aerodrome reference point

ARP

ICAO

aerodrome traffic zone

ATZ

ICAO

aerodromes, air routes and ground aids

AGA

ICAO

aeronautical

AERO

GEN

Aeronautical chart 1:500 000 (followed by name/title)

ANC

ICAO

aeronautical fixed service

AFS

GEN

Aeronautical Fixed Telecommunications Network

AFTN

GEN

Aeronautical Information Circular

AIC

GEN

Aeronautical Information Publication

AIP

ATC

aeronautical information publications (In General)

AIP

GEN

aeronautical information regulation and control

AIRAC

GEN

aeronautical information service

AIS

GEN

aeronautical information specialist

AIS

GEN

aeronautical maps and charts

MAP

ICAO

aeronautical mobile satellite service

AMSS

ICAO

aeronautical mobile service

AMS

GEN

Aeronautical navigation chart small scale (followed by name/title scale)

ANCS

ICAO

Aeronautical Radio, Incorporated

ARINC

GEN

Aeronautical Telecommunications Network

ATN

ICAO

aeronautical telecommunications operator

ATO

GEN

affect

AFCT

GEN

affirmative

AFIRM

GEN

affirmative

AFM

ICAO

After

AFT

GEN

after dark

AFDK

NWS

after passing

APSG

ICAO

Afternoon

AFTN

GEN

Again

AGN

GEN

Aggregate demand list

ADL

ATC

Agree

AGR

GEN

agreement

AGRMT

GEN

Ahead

AHD

GEN

air carrier

ACR

GEN

Air Carrier District Office

ACDO

GEN

air combat maneuvers

ACM

ATC

air combat training

ACT

ATC

Air Defense Control Facility

ADCF

GEN

Air Defense Emergency

ADE

GEN

air defense identification zone

ADIZ

GEN

Air Defense Liaison Officer

ADLO

GEN

Air Defense Sector

ADS

GEN

air defense warning

ADW

GEN

air evacuation

AEVAC

ATC

air express

AXPS

GEN

Air Force Base

AFB

GEN

Air Force Communications Network

AIRCOMNET

GEN

Air Force Jet

AFJ

ATC

Air Force NOTAM Exchange Area

AFNEA

GEN

Air Force NOTAM Exchange Office

AFNEO

GEN

Air Force overrun 1000­ft standard approach lighting system

AFOVRN

MIL

Air Force Representative to the FAA

AFREP

GEN

air freight

AFRT

GEN

air ground

AG

ATC

Air Line Dispatchers Association

ALDA

GEN

Air Line Pilots Association

ALPA

GEN

air mass

AMS

NWS

Air Mobility Command

AMC

ATC

Air National Guard

ANG

GEN

air navigation facility

ANF

GEN

air navigation radio aids

ANRA

GEN

air operations network

AIROPNET

GEN

air refueling

AIRFL

ATC

air refueling control point

ARCP

ATC

air refueling egress point

AREP

ATC

air refueling exit

AREX

ATC

air refueling initial point

ARIP

ATC

air report

AIREP

GEN

Air Rescue Service (USAF)

ARS

GEN

Air Reserve Base

ARB

GEN

air route surveillance radar

ARSR

GEN

air route traffic control

ARTC

GEN

Air Route Traffic Control Center

ARTCC

GEN

air to air

A/A

ATC

air to ground

A/G

ATC

air traffic control

ATC

ICAO

Air Traffic Control Association

ATCA

GEN

air traffic flow management

ATFM

ICAO

air traffic management

ATM

ICAO

Air Traffic Organization

ATO

GEN

air traffic procedures

ATP

GEN

Air Traffic Procedures Advisory Committee

ATPAC

GEN

air traffic representative

ATREP

GEN

Air Traffic Service Contingency Command Post

ATSCCP

GEN

Air traffic services inter­facility data communication

AIDC

ICAO

air traffic services reporting office

ARO

GEN

Air Transport Association of America

ATA

GEN

air transport pulse radar navigation aid

CPN

GEN

air transport pulse radar search

CPS

GEN

air transport rating

ATR

GEN

air weather service (USAF)

AWS

GEN

airborne

AB

ATC

airborne collision avoidance system

ACAS

ICAO

airborne early warning

AEW

GEN

airborne launching

ABLCHG

ATC

airborne pulse search radar

APS

GEN

Airborne Radar Unit

ARU

GEN

aircraft

ACFT

ICAO

aircraft and engine mechanic

AEM

GEN

aircraft classification number

ACN

ICAO

Aircraft communication addressing & reporting system

ACARS

ICAO

aircraft control and warning

ACW

GEN

aircraft departing at (number of minutes) intervals

ADMIS

ATC

aircraft earth station

AES

ICAO

aircraft identification

ACID

ATC

aircraft movement information services

AMIS

GEN

aircraft out of commission for parts

AOCP

GEN

Aircraft Owners and Pilots Association

AOPA

GEN

Aircraft parking/docking chart (followed by name/title)

APDC

ICAO

aircraft rescue and fire fighting

ARFF

ATC

airmail

ARML

GEN

Airman’s Information Manual

AIM

GEN

Airmen’s Meteorological Information

AIRMET

GEN

AIRMET

WA

NWS

airport

AP

ICAO

airport

ARPT

GEN

airport acceptance rate

AARTE

ATC

airport arrival rate

AAR

ATC

airport departure rate

ADR

ATC

Airport Development Aid Program

ADAP

GEN

Airport District Office

ADO

GEN

airport in sight

AIS

GEN

airport information desk

AID

GEN

airport layout plan

ALP

GEN

airport lights

APL

GEN

airport manager

AMGR

GEN

airport of entry

AOE

GEN

airport operating certificate

AOC

GEN

airport radar service area

ARSA

ATC

airport reference point

ARP

GEN

airport rescue and fire fighting alarm checked

ARFFOK

ATC

airport reservation position

ARP

GEN

Airport Reservations Office

ARO

GEN

airport surface detection equipment

ASDE

GEN

airport surveillance radar

ASR

GEN

airport system plan

ASP

GEN

Airport Traffic Control Tower

ATCT

GEN

Airport/Facility Directory

AFD

GEN

airports program report

APR

GEN

air­report

ARP

GEN

Airspace

ASP

GEN

airspace docket

ASD

GEN

airspace flight inspection pilot

ASIP

GEN

Airspace Reservation Unit (Canadian)

ARU

GEN

airway

AWY

GEN

airways engineer

AENG

GEN

Alaskan Air Command

AAC

GEN

Alaskan Region, FAA

AAL

GEN

Alaskan Standard Time (time groups only)

A

NWS

Alberta

ALTA

NWS

alert notice

ALNOT

GEN

alert phase code (alerting service)

ALERFA

ATC

alerting

ALR

ICAO

Aleutian

ALUTN

NWS

alighting area

ALA

GEN

alignment

ALNMT

GEN

all (when used as prefix)

AL

GEN

all accident notice offices

ALANO

GEN

all air carrier field offices

ALACFO

GEN

all air defense liaison officers in service area

ALADLO

GEN

all air route traffic control centers in service area

ALARTC

GEN

all air traffic (area) supervisors in service area

ALATAS

GEN

all air traffic field facilities

ALATF

GEN

all air traffic field offices

ALATFO

GEN

all air traffic service personnel in service area

ALAT

GEN

all technical operations

ALAFFO

GEN

all air traffic combined station/centers in service area

ALCS/C

GEN

all air traffic combined station/towers in service area

ALCS/T

GEN

all ATC towers in service area

ALTWR

GEN

all concerned notified

ACN

GEN

all FAA field offices and personnel

ALFAA

GEN

all FAA offices on NADIN

ALFAB

GEN

all flight service stations in service area

ALFSS

GEN

all flight standards field offices

ALFSFO

GEN

all international aeronautical telecommunication switching centers

ALIATSC

GEN

all international air traffic switching centers

AIATSC

GEN

all international field offices

ALIFO

GEN

all international flight service stations in service area

ALIFSS

GEN

all offices having send­receive teletypewriter service on circuit

ALCKT

GEN

all quadrants

ALQDS

NWS

all radar ATC facilities in service area

ALRAFAC

GEN

all regional/service area offices

ALRGN

GEN

all sectors

ALSEC

NWS

all technical operations

ALAFFO

GEN

all up weight (gross weight)

AUW

GEN

all weather landing

AWL

ATC

Allegheny

ALGHNY

NWS

allotment advice

ADVALT

GEN

allowable take­off gross weight

ATOG

GEN

aloft

ALF

NWS

along

ALG

GEN

already had

A/H

ATC

alternate

ALTN

GEN

alternate (aerodrome)

ALTN

ICAO

alternate airport

ALTPT

GEN

alternate departure route

ADRT

ATC

altimeter

ALTM

GEN

altimeter check location

ACL

ATC

altimeter setting

ALSTG

GEN

altimeter setting indicator

ASI

GEN

altimeter sub­scale setting to obtain elevation when on the ground

QNH

ICAO

Altimetry system error

ASE

ICAO

altitude

ALT

ICAO

altitude radial

ARAD

ATC

altitude reservation

ALTRV

GEN

altitude reservation void for aircraft not airborne by ­­­

AVANA

ATC

altocumulus

AC

NWS

altocumulus castellanus

ACCAS

NWS

altostratus

AS

NWS

amber

A

GEN

ambiguity

AMB

GEN

amend / amended forecast

AMD

GEN/

amended clearance

AMCL

ATC

amended route of flight

AMRF

ATC

amendment

AMDT

GEN

American Meteorological Society

AMS

NWS

American Telephone and Telegraph Company

ATT

GEN

amount

AMT

GEN

amplifier or amplify

AMP

GEN

amplitude

AMPLTD

NWS

analysis

ANLYS

NWS

announce

ANNC

GEN

annual leave

AL

GEN

anomalous propagation

AP

ATC

answer

ANS

GEN

ante meridiem

AM

NWS

antenna

ANT

GEN

anticipate

ANCPT

GEN

anticyclonic

ACYC

NWS

Appalachian

APLCN

NWS

apparent

APRNT

GEN

appear

APPR

GEN

appoint

APNT

GEN

approach

APCH

ICAO

approach and departure control

AADC

ATC

approach control

A/C

ATC

approach control or approach control office

APP

ICAO

approach end runway

AER

GEN

approach light lane

YL

ATC

approach light system

ALS

ICAO

approach path alignment panel

APAP

GEN

Appropriate

APROP

GEN

Approval

APVL

GEN

approval request

APREQ

GEN

approve

APV

GEN

approximate

APRX

GEN

Apron

APN

ICAO

arctic (air mass)

A

NWS

area airports checked

ARAC

ATC

Area chart

ARC

ICAO

area command post

ACP

GEN

area control center

ACC

ATC

area forecast

ARFOR

GEN

area forecast

FA

NWS

area forecast center

AFC

NWS

area minimum altitude

AMA

ICAO

area navigation

RNAV

ICAO 

area notice

ARNOT

GEN

area positive control

APC

ATC

Army Air Field

AAF

GEN

Army Liaison Officer

ARLO

GEN

Army National Guard

RNG

GEN

Army radar approach control facility

ARAC

GEN

around

ARND

GEN

arrange

ARNG

GEN

arrest

ARST

GEN

arresting gear

A­GEAR

GEN

arrival aircraft interval

AAITVL

ATC

arrival approved request for IFR flight

AI

ATC

arrival delay

ADLY

ATC

arrival or arrive

ARR

GEN

arrival report will be filed with

FIRIV

ATC

arrival unknown

ARUNK

ATC

artic control area

ACA

ATC

as soon as possible

ASAP

GEN

as soon as possible

SAP

ICAO

ascend

ASND

GEN

ascent to

ASC

GEN

ASOS automated observation with precipitation discriminator (rain/snow)

AO2

NWS

ASOS automated observation without precipitation discriminator (rain/snow)

AO1

METAR

asphalt

ASPH

ICAO

assign

ASGN

GEN

Assigned altitude deviation

AAD

ICAO

assistant

ASST

GEN

assistant chief

AC

GEN

associate

ASSOC

GEN

assumed

ASMD

ATC

at all times

AATM

GEN

at and maintain

ATAM

ATC

at least (altitude)

AL/(­­­)

ATC

at or above

AOA

ATC

at or after

AOAF

ATC

at or before

AOBF

ATC

at or below

AOB

ATC

at sea

MAR

ICAO

at the coast

COT

ICAO

at this time

ATTM

GEN

ATC advises

ATCA

ATC

ATC assigned airspace

ATCAA

ATC

ATC beacon interrogator

ATCBI

GEN

ATC clears

ATCC

ATC

ATC facility

ATCF

GEN

ATC operations representative

ATCOR

GEN

ATC radar beacon system

ATCRBS

GEN

ATC requests

ATCR

ATC

ATC specialist

ATCS

GEN

ATC tower, approach and departure control facility

TAD

ATC

Atlantic

ATLC

NWS

Atlantic Route

AR

ATC

atmospheric pressure at airport elevation

QFE

ICAO

atmospherics

SFERICS

NWS

atmospherics

XS

ICAO

ATS/MET reporting point

MRP

ICAO

Attach

ATCH

GEN

Attempt

ATMT

GEN

attempt to contact

ATMTC

ATC

attempt to locate

ALCT

GEN

Attend

ATND

GEN

Attention

ATTN

GEN

Aurora Borealis

AURBO

NWS

authentication maneuver

ATM

ATC

Authority

AUTH

GEN

authority granted

AUGRA

GEN

authority is requested

AUREQ

GEN

authorization for interceptor operations

AFIO

ATC

Authorize

AUZ

GEN

Authorized

AUTH

ICAO

automated flight information service

FISA

ICAO

Automated Flight Service Station

AFSS

GEN

Automated Mutual­Assistance Vessel Rescue System

AMVER

ATC

Automated Radar Terminal Systems

ARTS

GEN

automated surface observing system

ASOS

NWS

Automatic

AUTO

GEN

automatic broadcast

ABCST

GEN

automatic carrier landing system

ACLS

GEN

automatic data processing

ADP

GEN

automatic data processing equipment

ADPE

GEN

automatic data processing systems

ADPS

GEN

automatic dependent surveillance

ADS

ICAO

automatic dependent surveillance unit

ADSU

ICAO

automatic direction finder

ADF

GEN

automatic direction finder approach

ADFAP

ATC

automatic error correction equipment

ARQ

GEN

automatic ground air/ground communication system

AGACS

GEN

automatic instrument landing system

AILS

GEN

Automatic Meteorological Observing System

AMOS

GEN

Automatic Network Management System

ANMS

GEN

automatic scanning control unit

ASCU

GEN

automatic scanning unit out of service

SCANO

GEN

automatic scanning unit returned to service

SCAOK

GEN

automatic send/receive

AS/R

GEN

automatic terminal information service

ATIS

ICAO

automatic weather broadcast equipment

AWBE

GEN

automatic weather observing/reporting system

AWOS

GEN

automatic weather reporting system

AUTOB

GEN

auxiliary

AUX

GEN

Auxiliary Aviation Weather Facility

AAWF

NWS

Auxiliary Flight Service Station

XFSS

ATC

auxiliary report

XREP

GEN

available

AVBL

ICAO

average

AVG

GEN

aviation

AVN

GEN

Aviation Area Forecast Center

FA CENTER

GEN

aviation gasoline

AVGAS

GEN

aviation routine weather report

METAR

ICAO

aviation selected special weather report

SPECI

METAR

Aviation Weather and NOTAM System

AWANS

GEN

aviation weather processors

AWP

NWS

await or awaiting

AWT

GEN

azimuth

AZM

ICAO

azimuth and range data

AZRAN

ATC

 

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