SPILVE.LV • Aviation abbreviations - N

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Aviation abbreviations

N
N — North N/A — Not Applicable N₁ — Gas generator speed N₂ — Second stage turbine speed N_G — Gas generator speed N_P — Propeller speed NAA — National Airworthiness Authority NACA — National Advisory Committee for Aeronautics NAD — Non-acqueous developer NANDTB — National Aerospace Non-destructive Testing Board NAP — Noise abatement procedures NAS — National aircraft standard NAS — National airspace system NASA — National Aeronautics and Space Administration NASC — National AIS System Centre NAT — Navigation aid training NATCA — National Air Traffic Controllers Association NAV — Navigation NAVAID — Navigation aid NAWD — Non-acqueous wet developer NB — Northbound NBFR — Not before NC — No change ND — Navigation display NDB — Non-directional radio beacon NDI — Non-destructive inspection NDT — Non-destructive testing NE — North-east NEG — Negative, no, permission not granted, that is not correct NFRM — Notice of final rule making	NGATM — New generation air traffic manager NGT — Night NIL — None NLM — Network loadable module NM — Nautical miles NMC — National Meteorological Center NML — Normal NOF — International NOTAM Office NOSIG — No significant change NOTAM — Notice to airmen NOV — November NOZ — Normal operating zone NPA — Non-precision approach NPC — Notice of proposed change NPRM — Notice of proposed rule making NSC — Nil significant cloud NTA — No TAF amendment NTL — National NTS — Negative torque sensing system NTZ — No-transgression zone NVD — Night vision device NVED — Night vision enhancement devices NVET — National vocational education and training NVFR — Night visual flight rules NVG — Night vision goggles NVIS — Night vision imaging systems NW — North-west NWS — National Weather Service NXT — Next

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