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]

N

Definition

Contraction

Usage

name to

NTO

GEN

Narrow

NRW

GEN

National

NATL

GEN

National

NTL

ICAO

National Aeronautics and Space Administration

NASA

GEN

National Air Traffic Controllers Association

NATCA

ATC

National Air Transport Coordinating Committee

NATCC

GEN

National Aircraft Noise Abatement Council

NANAC

GEN

National Airport System Plan

NASP

GEN

National Airspace Data Interchange Network

NADIN

GEN

National Airspace Performance Reporting System

NAPRS

ATC

National Airspace System

NAS

GEN

National Airspace System
Interfacility Communications System

NICS

GEN

National Airways System Engineering office

NASEO

GEN

National AIS system centre

NASC

ICAO

National Association of Air Traffic Control Specialists

NAATS

GEN

National Aviation Facilities Experimental Center

NAFEC

GEN

national beacon code allocation plan

NBCAP

GEN

National Climatic Data Center

NCDC

GEN

National Communications Center

NATCOM

GEN

national communications schedule

NACOS

GEN

National Communications System

NCS

GEN

national environmental satellite service

NESS

GEN

National Flight Data Center

NFDC

GEN

National Flight Data Digest

NFDD

GEN

National Guard

NG

GEN

National Meteorological Center

NMC

GEN

National Ocean Service

NOS

GEN

National Oceanic and Atmospheric Administration

NOAA

GEN

National Severe Storm Forecast Center

NSSFC

GEN

National Track Analysis Program

NTAP

ATC

National Transportation Safety Board

NTSB

GEN

National Weather Service

NWS

GEN

National Weather Service Support Facility

WSSF

GEN

National Weather Service Support Unit

WSSU

GEN

nautical mile

NM

ICAO  

nautical mile radius

NMR

GEN

Naval Air Facility

NAF

GEN

Naval Air Station

NAS

GEN

Naval Auxiliary Air Station

NAAS

GEN

Naval Oceanographic Meteorological Automatic Device

NOMAD

GEN

Naval Reserve Air Base

NRAB

GEN

Naval Weather Service Office

NWSO

GEN

navigation

NAV

GEN

Navigation, ATC, and Collision Avoidance System

NATCAS

GEN

navigational aid

NAVAID

GEN

Navy Liaison Officer

NAVLO

GEN

Navy Representative to the FAA

NAVREP

GEN

NDB and DME (collocated)

NDB/DME

GEN

near

NR

GEN

near or over large towns

CIT

ICAO

necessary

NEC

GEN

negative

NEG

GEN

negative replies not required

NONEG

GEN

negative vorticity advection

NVA

NWS

neighborhood

NBRHD

GEN

New Brunswick

NB

NWS

New England

NEW ENG

NWS

New England Region, FAA

ANE

GEN

Newfoundland

NFLD

NWS

next

NXT

GEN

night

NGT

NWS

night frequency

NFQ

GEN

nimbostratus

NS

NWS

No (negative)

NO

ICAO

no action necessary

NOAC

GEN

no additional traffic reported

NATR

ATC

no arrival report

NORIV

ATC

no change

NC

GEN

no change in estimates

NCE

ATC

no change in weather

NCWX

NWS

no delay expected

NDE

ATC

no essential traffic reported

NETR

ATC

no filing time

NFT

GEN

no further clearance required

NEF

ATC

no further information

NOFIN

GEN

no information

NOIFN

GEN

no layers

NL

NWS

no middle name

NMN

GEN

no parallel traffic

NPRL

ATC

no pilot balloon observation due to high, or gusty, surface wind

PIWI

NWS

no pilot balloon observation due to snow

PISO

NWS

no pilot balloon observation due to unfavorable sea conditions

PISE

NWS

no pilot balloon observation will be filed next collection unless weather changes significantly

NORPI

NWS

no procedure turn required

NOPT

GEN

no radio

NORDO

GEN

no radio contact

NORAC

ATC

no RAWIN obs., communications out

RACO

NWS

no RAWIN obs., high and gusty winds

RAWI

NWS

no RAWIN obs., no balloons available

RABA

NWS

no RAWIN obs., no gas available

RAHE

NWS

no RAWIN obs., unfavorable weather

RAWE

NWS

no record

NOREC

GEN

no record of destination

NRD

GEN

no reply heard

NRH

ICAO

no reply received

NORR

GEN

no report

NOREP

GEN

no restrictions

NORST

GEN

no significant change

NOSIG

ICAO

no significant cloud

NSC

ICAO

no significant weather

NSW

METAR

no small craft or storm warning are being displayed

NSCSWD

NWS

no special observations taken (weather reports only)

NOSPL

NWS

no specific working hours

HX

ICAO

no traffic reported

NTRP

ATC

no transgression zone

NTZ

ATC

No transgression zone

NTZ

ICAO

no trouble found

NTFND

GEN

noise abatement test system

NATS

GEN

nondirectional radio beacon

NDB

ICAO  

none

NIL

GEN

nonpersistent

NPRS

NWS

nonprecision instrument

NPI

GEN

nonrevenue

NRV

GEN

non-RVSM capable flight

NONRVSM

ICAO

Nonstandard C/A Code

NSC

ATC

nonstandard holding pattern

NSP

GEN

nonstop

NSTP

GEN

NORAD Region Operations Control Center

ROCC

GEN

NORAD Sector Operations Control Center

SOCC

GEN

normal

NML

GEN

normal operating zone

NOZ

GEN

Normal operating zone

NOZ

ICAO

North American Aerospace Defense Command

NORAD

GEN

North American Route

NAR

GEN

North American route program

NRP

ATC

North Atlantic

NAT

GEN

north or northern latitude

N

ICAO

North Pacific

NOPAC

ATC

northbound

NB

ICAO

northbound

NBND

GEN

north苟ast

NE

ICAO

north苟astbound

NEB

ICAO

northeasterly (weather reports only)

NELY

NWS

northeastern

NERN

NWS

north要orth east

NNE

ICAO

north要orth west

NNW

ICAO

north要ortheastern (weather reports only)

NNERN

NWS

north要ortheastward (weather reports only)

NNEWD

NWS

north要orthwestern (weather reports only)

NNWRN

NWS

north趴est

NW

ICAO

Northwest Mountain Region, FAA

ANM

GEN

north趴estbound

NWB

ICAO

northwesterly (weather reports only)

NWLY

NWS

northwestern (weather reports only)

NWRN

NWS

north趴estward (weather reports only)

NNWWD

NWS

not above

NAB

GEN

not according to routine

NAR

GEN

not applicable

N/A

GEN

not ARTS tracked

NAT

ATC

not at present

NAP

GEN

not authorized

NA

GEN

not available

NO

METAR

not before

NBFR

ICAO

not for us

NFU

GEN

not heard

NHD

ATC

not holding

NOHOL

ATC

not in system

NIS

GEN

not later than

NLT

GEN

not to descend below

NDBLO

ATC

not to exceed

NTE

GEN

NOTAM Office

NOF

GEN

NOTAM reporting the presence or removal of hazardous conditions due to snow, ice, slush or standing water associated with snow, slush or ice on the movement area

SNOWTAM

ICAO

NOTAM Summary

NOSUM

GEN

Notice of Proposed Rulemaking

NPRM

ATC

Notice to Airmen

NOTAM

GEN

Notices To Airmen Publication

NTAP

ATC

notification of aircraft accident

ACCID

ATC

Notify

NTFY

GEN

Nova Scotia

NS

NWS

now simultaneous

NOSI

GEN

nuclear detonation

NUDET

GEN

Number

NMBR

NWS

Number

NR

GEN

Numerous

NMRS

GEN

 

Return to Air Traffic Publications Library Return to Table of Contents