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 1. Decode]

N

Contraction

Definition

Usage

N

north or northern latitude

ICAO

N/A

not applicable

GEN

NA

not authorized

GEN

NAAS

Naval Auxiliary Air Station

GEN

NAATS

National Association of Air Traffic Control Specialists

GEN

NAB

not above

GEN

NACOS

national communications schedule

GEN

NADIN

National Airspace Data Interchange Network

GEN

NAF

Naval Air Facility

GEN

NAFEC

National Aviation Facilities Experimental Center

GEN

NANAC

National Aircraft Noise Abatement Council

GEN

NAP

not at present

GEN

NAPRS

National Airspace Performance Reporting System

ATC

NAR

North American Route

GEN

NAR

not according to routine

GEN

NAS

National Airspace System

GEN

NAS

Naval Air Station

GEN

NASA

National Aeronautics and Space Administration

GEN

NASC

National AIS system centre

ICAO

NASEO

National Airways System Engineering office

GEN

NASP

National Airport System Plan

GEN

NAT

North Atlantic

GEN

NAT

not ARTS tracked

ATC

NATCA

National Air Traffic Controllers Association

ATC

NATCAS

Navigation, ATC, and Collision Avoidance System

GEN

NATCC

National Air Transport Coordinating Committee

GEN

NATCOM

National Communications Center

GEN

NATL

national

GEN

NATR

no additional traffic reported

ATC

NATS

noise abatement test system

GEN

NAV

navigation

GEN

NAVAID

navigational aid

GEN

NAVLO

Navy Liaison Officer

GEN

NAVREP

Navy Representative to the FAA

GEN

NB

New Brunswick

NWS

NB

northbound

ICAO

NBCAP

national beacon code allocation plan

GEN

NBFR

not before

ICAO

NBND

northbound

GEN

NBRHD

neighborhood

GEN

NC

no change

GEN

NCDC

National Climatic Data Center

GEN

NCE

no change in estimates

ATC

NCS

National Communications System

GEN

NCWX

no change in weather

NWS

NDB

nondirectional radio beacon

ICAO

NDB/DME

NDB and DME (collocated)

GEN

NDBLO

not to descend below

ATC

NE

north苟ast

ICAO

NEB

north苟astbound

ICAO

NEC

necessary

GEN

NEF

no further clearance required

ATC

NEG

negative

GEN

NELY

northeasterly (weather reports only)

NWS

NERN

northeastern

NWS

NESS

national environmental satellite service

GEN

NETR

no essential traffic reported

ATC

NEW ENG

New England

NWS

NFDC

National Flight Data Center

GEN

NFDD

National Flight Data Digest

GEN

NFLD

Newfoundland

NWS

NFQ

night frequency

GEN

NFT

no filing time

GEN

NFU

not for us

GEN

NG

National Guard

GEN

NGT

night

NWS

NHD

not heard

ATC

NICS

National Airspace System Interfacility Communications System

GEN

NIL

none

GEN

NIL

unable to transmit

GEN

NIS

not in system

GEN

NL

no layers

NWS

NLT

not later than

GEN

NM

nautical mile

ICAO

NMBR

number

NWS

NMC

National Meteorological Center

GEN

NML

normal

GEN

NMN

no middle name

GEN

NMR

nautical mile radius

GEN

NMRS

numerous

GEN

NNE

north要orth east

ICAO

NNERN

north要ortheastern (weather reports only)

NWS

NNEWD

north要ortheastward (weather reports only)

NWS

NNW

north要orth west

ICAO

NNWRN

north要orthwestern (weather reports only)

NWS

NNWWD

north趴estward (weather reports only)

NWS

NO

No (negative)

ICAO

NO

not available

METAR

NOAA

National Oceanic and Atmospheric Administration

GEN

NOAC

no action necessary

GEN

NOF

NOTAM Office

GEN

NOFIN

no further information

GEN

NOHOL

not holding

ATC

NOIFN

no information

GEN

NOMAD

Naval Oceanographic Meteorological Automatic Device

GEN

NONEG

negative replies not required

GEN

NONRVSM

non-RVSM capable flight

ICAO

NOPAC

North Pacific

ATC

NOPAR

do not pass to Air Defense radar

ATC

NOPT

no procedure turn required

GEN

NORAC

no radio contact

ATC

NORAD

North American Aerospace Defense Command

GEN

NORDO

no radio

GEN

NOREC

no record

GEN

NOREP

no report

GEN

NORIV

no arrival report

ATC

NORPI

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

NWS

NORR

no reply received

GEN

NORST

no restrictions

GEN

NOS

National Ocean Service

GEN

NOSI

now simultaneous

GEN

NOSIG

no significant change

ICAO

NOSPL

no special observations taken (weather reports only)

NWS

NOSUM

NOTAM Summary

GEN

NOTAM

Notice to Airmen

GEN

NOZ

normal operating zone

GEN

NOZ

Normal operating zone

ICAO

NPI

nonprecision instrument

GEN

NPRL

no parallel traffic

ATC

NPRM

Notice of Proposed Rulemaking

ATC

NPRS

nonpersistent

NWS

NR

near

GEN

NR

number

GEN

NRAB

Naval Reserve Air Base

GEN

NRD

no record of destination

GEN

NRH

no reply heard

ICAO

NRP

North American route program

ATC

NRV

nonrevenue

GEN

NRW

narrow

GEN

NS

nimbostratus

NWS

NS

Nova Scotia

NWS

NSC

no significant cloud

ICAO

NSC

Nonstandard C/A Code

ATC

NSCSWD

no small craft or storm warning are being displayed

NWS

NSP

nonstandard holding pattern

GEN

NSSFC

National Severe Storm Forecast Center

GEN

NSTP

nonstop

GEN

NSW

no significant weather

METAR

NTAP

National Track Analysis Program

ATC

NTAP

Notices To Airmen Publication

ATC

NTE

not to exceed

GEN

NTFND

no trouble found

GEN

NTFY

notify

GEN

NTL

National

ICAO

NTO

name to

GEN

NTRP

no traffic reported

ATC

NTSB

National Transportation Safety Board

GEN

NTZ

no transgression zone

ATC

NTZ

No transgression zone

ICAO

NUDET

nuclear detonation

GEN

NVA

negative vorticity advection

NWS

NW

north趴est

ICAO

NWB

north趴estbound

ICAO

NWLY

northwesterly (weather reports only)

NWS

NWRN

northwestern (weather reports only)

NWS

NWS

National Weather Service

GEN

NWSO

Naval Weather Service Office

GEN

NXT

next

GEN

 

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