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

ORDER
JO 7340.2E
Effective Date:
July 24, 2014
 
     

Subject:  Contractions

[Back to Section 1. Decode]

Contraction

Definition

Usage

+FC

tornado/water spout

METAR

A

absolute (temperature)

NWS

A

Alaskan Standard Time (time groups only)

NWS

A

Amber

GEN

A

arctic (air mass)

NWS

A/A

air to air

ATC

A/C

approach control

ATC

A/G

air to ground

ATC

A/H

already had

ATC

AAC

Alaskan Air Command

GEN

AAD

Assigned altitude deviation

ICAO

AADC

approach and departure control

ATC

AAF

Army Air Field

GEN

AAITVL

arrival aircraft interval

ATC

AAL

Above aerodrome level

ICAO

AAL

Alaskan Region, FAA

GEN

AAP

Advise if able to proceed

ATC

AAR

airport arrival rate

ATC

AARTE

airport acceptance rate

ATC

AATM

at all times

GEN

AAWF

Auxiliary Aviation Weather Facility

NWS

AAWTA

Advise at what time able

ICAO

AB

Airborne

ATC

ABBR

Abbreviate

GEN

ABCST

automatic broadcast

GEN

ABD

Aboard

GEN

ABI

Advance boundary information

ICAO

ABLCHG

airborne launching

ATC

ABM

abeam

GEN

ABN

aerodrome beacon

ICAO

ABND

abandon

GEN

ABNDT

abundant

GEN

ABNML

abnormal

GEN

ABT

about

GEN

ABV

above

ICAO

AC

Advisory Circular

GEN

AC

altocumulus

NWS

AC

assistant chief

GEN

ACA

artic control area

ATC

ACARS

Aircraft communication addressing and reporting system

ICAO

ACAS

airborne collision avoidance system

ICAO

ACC

area control center

ATC

ACC

altocumulus castellanus

NWS

ACCID

notification of aircraft accident

ATC

ACCT

account

GEN

ACCUM

accumulate

GEN

ACDNT

accident

GEN

ACDO

Air Carrier District Office

GEN

ACE

Central Region, FAA

GEN

ACES

access

GEN

ACFT

aircraft

ICAO

ACID

aircraft identification

ATC

ACK

acknowledge

GEN

ACL

altimeter check location

ATC

ACLD

above clouds

GEN

ACLS

automatic carrier landing system

GEN

ACLT

accelerate

GEN

ACM

air combat maneuvers

ATC

ACN

aircraft classification number

ICAO

ACN

all concerned notified

GEN

ACNOT

accident notice

GEN

ACP

acceptance (message type designator)

ICAO

ACP

area command post

GEN

ACPT

accept

GEN

ACPY

accompany

GEN

ACR

air carrier

GEN

ACRBT

acrobatic

ATC

ACRS

across

GEN

ACSL

standing lenticular altocumulus

NWS

ACT

active or activated or activity

ICAO

ACT

air combat training

ATC

ACT

Technical Center, FAA

GEN

ACTG

acting

GEN

ACTV

active

GEN

ACTVT

activate

GEN

ACW

aircraft control and warning

GEN

ACYC

Anticyclonic

NWS

AD

Aerodrome

ICAO

ADA

advisory area

ATC

ADAP

Airport Development Aid Program

GEN

ADC

Aerodrome chart

ICAO

ADCF

Air Defense Control Facility

GEN

ADCON

advise or issue instructions to all concerned

GEN

ADCUS

advise customs

GEN

ADDN

addition

GEN

ADE

Air Defense Emergency

GEN

ADF

automatic direction finder

GEN

ADFAP

automatic direction finder approach

ATC

ADIZ

air defense identification zone

GEN

ADJ

adjacent

ICAO  

ADL

aggregate demand list

ATC

ADLO

Air Defense Liaison Officer

GEN

ADLY

arrival delay

ATC

ADMAP

advise by air mail as soon as possible

GEN

ADMIN

administration

GEN

ADMIR

administrator

GEN

ADMIS

aircraft departing at (number of minutes) intervals

ATC

ADMIV

administrative

GEN

ADNL TFC

additional traffic is

ATC

ADNOK

advise if not correct

ATC

ADO

Aerodrome office (specify service)

ICAO

ADO

Airport District Office

GEN

ADP

automatic data processing

GEN

ADPE

automatic data processing equipment

GEN

ADPS

automatic data processing systems

GEN

ADQT

adequate

GEN

ADR

airport departure rate

ATC

ADR

advisory route

ATC

ADRDE

advise reason for delay

ATC

ADRNDCK

adirondack

NWS

ADRT

alternate departure route

ATC

ADS

address

GEN

ADS

Air Defense Sector

GEN

ADS

automatic dependent surveillance

ICAO

ADSPN

advise disposition

GEN

ADSU

automatic dependent surveillance unit

ICAO

ADV

advise

NWS

ADVALT

allotment advice

GEN

ADVC

advice

GEN

ADVCTN

advection

NWS

ADVN

advance

GEN

ADVY

advisory

NWS

ADVZY

advisory

ATC

ADW

air defense warning

GEN

ADZ

advise

GEN

ADZAR

advise arrival

ATC

ADZI

advise intentions

ATC

ADZOF

advise this office

GEN

ADZY

advisory

ATC

ADZY

advisory

GEN

AEA

Eastern Region, FAA

GEN

AEM

aircraft and engine mechanic

GEN

AENG

airways engineer

GEN

AER

approach end runway

GEN

AERO

aeronautical

GEN

AES

aircraft earth station

ICAO

AEU

Europe, Africa, and Middle East Office, FAA

GEN

AEVAC

air evacuation

ATC

AEW

airborne early warning

GEN

AFB

Air Force Base

GEN

AFC

area forecast center

NWS

AFCT

affect

GEN

AFD

Airport/Facility Directory

GEN

AFDK

after dark

NWS

AFIL

filed flight plan in the air

GEN

AFIO

authorization for interceptor operations

ATC

AFIRM

affirmative

GEN

AFIS

aerodrome flight information service

ICAO

AFJ

Air Force Jet

ATC

AFM

affirmative

ICAO

AFNEA

Air Force NOTAM Exchange Area

GEN

AFNEO

Air Force NOTAM Exchange Office

GEN

AFOVRN

Air Force overrun 1000-ft standard approach lighting system

MIL

AFREP

Air Force Representative to the FAA

GEN

AFRT

air freight

GEN

AFS

aeronautical fixed service

GEN

AFSS

Automated Flight Service Station

GEN

AFT

after

GEN

AFTN

Aeronautical Fixed Telecommunications Network

GEN

AFTN

afternoon

GEN

AG

air ground

ATC

AGA

aerodromes, air routes and ground aids

ICAO

AGACS

automatic ground air/ground communication system

GEN

A-GEAR

arresting gear

GEN

AGL

above ground level

ICAO

AGL

Great Lakes Region, FAA

GEN

AGN

again

GEN

AGR

agree

GEN

AGRMT

agreement

GEN

AHD

ahead

GEN

AI

arrival approved request for IFR flight

ATC

AIA

advise if able

ATC

AIATSC

all international air traffic switching centers

GEN

AIC

Aeronautical Information Circular

GEN

AID

airport information desk

GEN

AIDC

Air traffic services inter-facility data communication

ICAO

AIFP

activate IFR flight plan

ATC

AILS

automatic instrument landing system

GEN

AIM

Airman's Information Manual

GEN

AIP

Aeronautical Information Publication

ATC

AIP

aeronautical information publications (In General)

GEN

AIRAC

aeronautical information regulation and control

GEN

AIRCOMNET

Air Force Communications Network

GEN

AIREP

air report

GEN

AIRFL

air refueling

ATC

AIRMET

Airmen's Meteorological Information

GEN

AIROPNET

air operations network

GEN

AIS

aeronautical information service

GEN

AIS

aeronautical information specialist

GEN

AIS

airport in sight

GEN

AL

all (when used as prefix)

GEN

AL

annual leave

GEN

AL/(---)

at least (altitude)

ATC

ALA

alighting area

GEN

ALACFO

all air carrier field offices

GEN

ALADLO

all air defense liaison officers in service area

GEN

ALAFFO

all technical operations

GEN

ALANO

all accident notice offices

GEN

ALARTC

all air route traffic control centers in service area

GEN

ALAT

all air traffic service personnel in service area

GEN

ALATAS

all air traffic (area) supervisors in service area

GEN

ALATF

all air traffic field facilities

GEN

ALATFO

all air traffic field offices

GEN

ALCKT

all offices having send-receive teletypewriter service on circuit

GEN

ALCS/C

all air traffic combined station/centers in service area

GEN

ALCS/T

All air traffic combined station/towers in service area

GEN

ALCT

attempt to locate

GEN

ALDA

Air Line Dispatchers Association

GEN

ALERFA

alert phase code (alerting service)

ATC

ALF

aloft

NWS

ALFAA

all FAA field offices and personnel

GEN

ALFAB

all FAA offices on NADIN

GEN

ALFSFO

all flight standards field offices

GEN

ALFSS

all flight service stations in service area

GEN

ALG

along

GEN

ALGHNY

Allegheny

NWS

ALIATSC

all international aeronautical telecommunication switching centers

GEN

ALIFO

all international field offices

GEN

ALIFSS

all international flight service stations in service area

GEN

ALNMT

alignment

GEN

ALNOT

alert notice

GEN

ALP

airport layout plan

GEN

ALPA

Air Line Pilots Association

GEN

ALQDS

all quadrants

NWS

ALR

alerting

ICAO

ALRAFAC

all radar ATC facilities in service area

GEN

ALRGN

all regional/service area offices

GEN

ALS

approach light system

ICAO  

ALSEC

all sectors

NWS

ALSF-1

standard 2400' high-intensity approach lighting system with sequenced flashers (Category I configuration)

GEN

ALSF-2

standard 2400' high-intensity approach lighting system with sequenced flashers (Category II configuration)

GEN

ALSTG

altimeter setting

GEN

ALT

altitude

ICAO

ALTA

Alberta

NWS

ALTM

altimeter

GEN

ALTN

alternate

GEN

ALTN

alternate (aerodrome)

ICAO

ALTPT

alternate airport

GEN

ALTRV

altitude reservation

GEN

ALTWR

all ATC towers in service area

GEN

ALUTN

Aleutian

NWS

ALWF

actual wind factor

NWS

AM

ante meridiem

NWS

AMA

area minimum altitude

ICAO

AMB

ambiguity

GEN

AMC

Air Mobility Command

ATC

AMC

Mike Monroney Aeronautical Center, FAA

GEN

AMCL

amended clearance

ATC

AMD

amend / amended forecast

GEN/

AMDT

amendment

GEN

AMECH

account mechanical

GEN

AMGR

airport manager

GEN

AMIS

aircraft movement information services

GEN

AMOS

Automatic Meteorological Observing System

GEN

AMP

Amplifier or amplify

GEN

AMPLTD

amplitude

NWS

AMRF

amended route of flight

ATC

AMS

aeronautical mobile service

GEN

AMS

air mass

NWS

AMS

American Meteorological Society

NWS

AMSL

above mean sea level

GEN

AMSS

aeronautical mobile satellite service

ICAO

AMT

Amount

GEN

AMVER

Automated Mutual-Assistance Vessel Rescue System

ATC

ANC

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

ICAO

ANCPT

anticipate

GEN

ANCS

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

ICAO

ANE

New England Region, FAA

GEN

ANF

air navigation facility

GEN

ANG

Air National Guard

GEN

ANLYS

Analysis

NWS

ANM

Northwest Mountain Region, FAA

GEN

ANMS

Automatic Network Management System

GEN

ANNC

announce

GEN

ANR

Advanced Navigation Routes

ATC

ANRA

air navigation radio aids

GEN

ANS

answer

GEN

ANT

antenna

GEN

AO1

ASOS automated observation without precipitation discriminator (rain/snow)

METAR

AO2

ASOS automated observation with precipitation discriminator (rain/snow)

NWS

AOA

at or above

ATC

AOAF

at or after

ATC

AOB

at or below

ATC

AOBF

at or before

ATC

AOC

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

ICAO

AOC

airport operating certificate

GEN

AOCP

aircraft out of commission for parts

GEN

AOE

airport of entry

GEN

AOPA

Aircraft Owners and Pilots Association

GEN

AP

airport

ICAO

AP

anomalous propagation

ATC

APAP

approach path alignment panel

GEN

APAPI

Abbreviated precision approach path indicator

ICAO

APC

area positive control

ATC

APCH

approach

ICAO  

APDC

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

ICAO

APL

airport lights

GEN

APLCN

Appalachian

NWS

APN

Apron

ICAO

APNT

appoint

GEN

APP

approach control or approach control office

ICAO

APPA

advise present position and altitude

ATC

APPR

appear

GEN

APR

airports program report

GEN

APREQ

approval request

GEN

APRNT

apparent

GEN

APROP

appropriate

GEN

APRX

approximate

GEN

APS

airborne pulse search radar

GEN

APSG

after passing

ICAO

APV

approve

GEN

APVL

approval

GEN

AR

Atlantic Route

ATC

ARAC

area airports checked

ATC

ARAC

Army radar approach control facility

GEN

ARAD

altitude radial

ATC

ARB

Air Reserve Base

GEN

ARC

Area chart

ICAO

ARCP

air refueling control point

ATC

AREP

air refueling egress point

ATC

AREX

air refueling exit

ATC

ARFF

aircraft rescue and fire fighting

ATC

ARFFOK

airport rescue and fire fighting alarm checked

ATC

ARFOR

area forecast

GEN

ARINC

Aeronautical Radio, Incorporated

GEN

ARIP

air refueling initial point

ATC

ARL

Aerial

ATC

ARLO

Army Liaison Officer

GEN

ARMET

forecast upper wind and temperature at specified points

GEN

ARML

Airmail

GEN

ARND

Around

GEN

ARNG

Arrange

GEN

ARNOT

area notice

GEN

ARO

air traffic services reporting office

GEN

ARO

Airport Reservations Office

GEN

ARP

aerodrome reference point

ICAO

ARP

airport reference point

GEN

ARP

airport reservation position

GEN

ARP

air-report

GEN

ARPT

Airport

GEN

ARQ

automatic error correction equipment

GEN

ARR

arrival or arrive

GEN

ARS

Air Rescue Service (USAF)

GEN

ARS

special air-report

GEN

ARSA

airport radar service area

ATC

ARSR

air route surveillance radar

GEN

ARST

arrest

GEN

ARTC

air route traffic control

GEN

ARTCC

Air Route Traffic Control Center

GEN

ARTS

Automated Radar Terminal Systems

GEN

ARU

Airborne Radar Unit

GEN

ARU

Airspace Reservation Unit (Canadian)

GEN

ARUNK

arrival unknown

ATC

AS

altostratus

NWS

AS/R

automatic send/receive

GEN

ASAP

as soon as possible

GEN

ASC

ascent to

GEN

ASCU

automatic scanning control unit

GEN

ASD

airspace docket

GEN

ASDA

accelerate-stop distance available

GEN

ASDE

airport surface detection equipment

GEN

ASE

Altimetry system error

ICAO

ASGN

assign

GEN

ASI

altimeter setting indicator

GEN

ASIP

airspace flight inspection pilot

GEN

ASL

above sea level

GEN

ASMD

assumed

ATC

ASND

ascend

GEN

ASO

Southern Region, FAA

GEN

ASOS

automated surface observing system

NWS

ASP

airport system plan

GEN

ASP

airspace

GEN

ASPH

asphalt

ICAO

ASR

airport surveillance radar

GEN

ASSOC

associate

GEN

ASST

assistant

GEN

ASW

Southwest Region, FAA

GEN

ATA

actual time of arrival

ATC

ATA

Air Transport Association of America

GEN

ATAM

at and maintain

ATC

ATAR

above transmitted as received

GEN

ATC

air traffic control

ICAO  

ATCA

Air Traffic Control Association

GEN

ATCA

ATC advises

ATC

ATCAA

ATC assigned airspace

ATC

ATCBI

ATC beacon interrogator

GEN

ATCC

ATC clears

ATC

ATCF

ATC facility

GEN

ATCH

attach

GEN

ATCOR

ATC operations representative

GEN

ATCR

ATC requests

ATC

ATCRBS

ATC radar beacon system

GEN

ATCS

ATC specialist

GEN

ATCSCC

David J. Hurley ATC Systems Command Center

GEN

ATCT

Airport Traffic Control Tower

GEN

ATD

actual time of departure

ATC

ATFC

account traffic

GEN

ATFM

air traffic flow management

ICAO

ATIS

automatic terminal information service

ICAO

ATLC

Atlantic

NWS

ATM

air traffic management

ICAO

ATM

authentication maneuver

ATC

ATMT

attempt

GEN

ATMTC

attempt to contact

ATC

ATN

Aeronautical Telecommunications Network

ICAO

ATND

attend

GEN

ATO

aeronautical telecommunications operator

GEN

ATO

Air Traffic Organization

GEN

ATOG

allowable take-off gross weight

GEN

ATP

actual time of penetration

ATC

ATP

air traffic procedures

GEN

ATPAC

Air Traffic Procedures Advisory Committee

GEN

ATR

air transport rating

GEN

ATREP

air traffic representative

GEN

ATRLS

actual time of release

ATC

ATSCCP

Air Traffic Service Contingency Command Post

GEN

ATT

American Telephone and Telegraph Company

GEN

ATTM

at this time

GEN

ATTN

attention

GEN

AT-VASIS

Abbreviated T visual approach slope indicator system

ICAO

ATZ

aerodrome traffic zone

ICAO

AUGRA

authority granted

GEN

AURBO

Aurora Borealis

NWS

AUREQ

authority is requested

GEN

AUTH

authority

GEN

AUTH

authorized

ICAO

AUTO

automatic

GEN

AUTOB

automatic weather reporting system

GEN

AUW

all up weight (gross weight)

GEN

AUX

auxiliary

GEN

AUZ

authorize

GEN

AVANA

altitude reservation void for aircraft not airborne by ---

ATC

AVBL

available

ICAO 

AVFP

activate VFR flight plan

ATC

AVFPNO

pilot failed to activate VFR/DVFR flight plan

ATC

AVG

average

GEN

AVGAS

aviation gasoline

GEN

AVN

aviation

GEN

AWA

advise when able

ATC

AWANS

Aviation Weather and NOTAM System

GEN

AWBE

automatic weather broadcast equipment

GEN

AWE

advise when established

ATC

AWL

all weather landing

ATC

AWOS

automatic weather observing/reporting system

GEN

AWP

aviation weather processors

NWS

AWP

Western-Pacific Region, FAA

GEN

AWS

air weather service (USAF)

GEN

AWT

await or awaiting

GEN

AWX

account weather

GEN

AWY

airway

GEN

AXPS

air express

GEN

AZM

azimuth

ICAO

AZRAN

azimuth and range data

ATC

 

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