navigation acronyms, abbreviations and definitions - International ...
navigation acronyms, abbreviations and definitions - International ...
navigation acronyms, abbreviations and definitions - International ...
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N newton (force in m kg s --2 )<br />
n mile nautical mile (sometimes NM, M on charts)<br />
Approx 1,852 m or 6,080 ft.<br />
N/A not applicable<br />
N/I non-instrument (of aircraft approach)<br />
Na nadir (point on the celestial sphere vertically below the observer)<br />
NAA National Aviation Authorities<br />
NACOS <strong>navigation</strong> <strong>and</strong> comm<strong>and</strong> system (marine)<br />
NAD North American Datum<br />
NADC National Antarctic Data Centre<br />
NADICS NAtional Driver Information <strong>and</strong> Control System (Scottish Office)<br />
NAGU Notice Advisories to GLONASS Users<br />
NANU Notice Advisory to Navstar Users<br />
NAO North Atlantic Oscillation<br />
NaPTAN National Public Transport Access Nodes (UK)<br />
Database of bus, coach <strong>and</strong> tram stops, bus <strong>and</strong> train stations, taxi<br />
ranks <strong>and</strong> ferry <strong>and</strong> air terminals.<br />
NARSIA North American Remote Sensing Industries Association<br />
NAS National Academy of Sciences (US)<br />
NAS National Airspace System (US)<br />
NAS Naval Air Station (US)<br />
NAS Newly Associated States (into the EU)<br />
NAS IG National Airspace System Implementation Group (Australia)<br />
NASA National Aeronautics <strong>and</strong> Space Administration (US)<br />
NASDA National Space Development Agency of Japan<br />
NAT North Atlantic<br />
NATCA National Air Traffic Controllers Association (US)<br />
National Grid Metric transverse Mercator grid based on OSGB36 (OS)<br />
NATMAC National Air Traffic Management Advisory Committee (UK)<br />
NATO North Atlantic Treaty Organisation (26 states)<br />
Belgium, Bulgaria, Canada, Czech Republic, Denmark, Estonia, France,<br />
Germany, Greece, Hungary, Icel<strong>and</strong>, Italy, Latvia, Lithuania,<br />
Luxembourg, Netherl<strong>and</strong>s, Norway, Pol<strong>and</strong>, Portugal, Romania, Slovakia,<br />
Slovenia, Spain, Turkey, UK, US (2007).<br />
NATS National Air Traffic Services Ltd (UK ATSP)<br />
NATSPG North Atlantic Systems Planning Group<br />
NAUPLIOS Navigation <strong>and</strong> Perilous Goods Input <strong>and</strong> Ouput System (Galileo proj)<br />
NAV IMO Sub-Committee on Safety of Navigation (NAV 49 sits in 2003)<br />
NAV-msg Navigation Message<br />
A 37,500-bit data message included in the GPS signal, sent at 50 bps.<br />
Includes satellite ephemeris, clock data, almanac etc.<br />
Navaid NAVigation AID<br />
94<br />
March 2012
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