AIRCRAFT ABBREVIATIONS

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n Load Factor
N Neon
N Newton
N Normal
N North
N MOS N-Channel Metal Oxide Semiconductor
N MOS Negative Metal Oxide Semiconductor
N/A Not Applicable
N/P Next Page
N/W Nose Wheel
N/WS Nose Wheel Steering
Nm Moment (Newtonmeter)
No Number
NonflaG Non-Flammable Compressor Gas
NAC Nacelle
NAC STA Nacelle Station
NAI Nacelle Anti-Icing
NAS Navy and Army Standard
NATS North American Telephone System
NAV Navigation
NAVAID Navigation Aid
NBPT No Break Power Transfer
NBS National Bureau of Standards
NC Normally Closed
NCD No Computed Data
NCU Navigation Computer Unit
NCV Nacelle Cooling Valve
ND Navigation Display
NDB Non-Directional Beacon
NDB Non-Directional Radio Beacon
NDM Noise Definition Manual
NDT Non-Destructive Test
NEG Negative
NFC Not Fully Closed
NFO Not Fully Open
NHA Next Higher Assembly
NLA Non Listed Assembly
NLG Nose Landing Gear
NM Nautical Mile
NMI Non Maskable Interrupt
NO Normal Operation
NO Normal Operation in SSM
NO Normally Open
NOPT No Procedure Turn Required
NOR Normal Operating Range
NORM Normal
NORM ALIGN Normal Alignment
NOTAM Notice to Airmen
NOVOLRAM Non-volatile Random Access Memory
NOVOLRAM Non-Volatile Random Access Memory
NP Non Procurable
NPN Negative-Positive-Negative
NPT National Taper Pipe (Thread)
NPV Net Present Value
NRP Navigation Reference Point
NRZ Non Return To Zero
NS No Smoking
NSA Norme Sud Aviation
NSCM NATO Supply Code for Manufacturers
NSDW Non Specific Design Work
NTM Non-Destructive Testing Manual
NTM Nondestructive Testing Manual
NTO No Technical Objection
NTWK Network
NUM Numerical
NVM Non Volatile Memory
NVM Non-Volatile Memory
N1 Engine Fan Speed
N1 Low Pressure Rotor Speed
N1.D N1 Descent
N1.L N1 Latch
N2 High Pressure Rotor Speed
NAIF NSS ACR Instrumentation Function
NASA National Aeronautics and Space Administration
NBF Network BITE Function
NBSELV Normal Brake Selector Valve
NCR NSS Communication Router
NFOV Narrow Field of View
NSIU Nose Static Interface Unit
NSS Network Server System
NTF Non-Textile Floor covering
NTSC National Television System Committee
NAC Nacelle Air Cooling
NCU NSS Control Unit
N-MOS Negative Metal Oxide Semiconductor
NADP Noise Abatement Departure Procedure
NBCM Normal Brake Control Manifold
NEO New Engine Option
NRW Net Recoverable Weight

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