| N |
November
Normal
North
Rotation Speed In Rpm Or % |
| N/A or NA |
Not Applicable |
| N/W |
Nose Wheel |
| N1 |
Engine Fan Speed, Low Pressure Rotor Speed |
| N1ACT |
N1 Actual |
| N1C |
N1 Command |
| N1CMD |
N1 Command |
| N1MX |
N1 Maximum |
| N2 |
High Pressure Rotor Speed, Core Speed (Pratt & Whitney engines) |
| N2ACT |
N2 actual |
| N3 |
High Pressure Rotor Speed (Rolls–Royce engines) |
| NA |
Not Available
Not Required
Rpm (Apu) |
| NAA |
National Aviation Authority |
| NAC |
Nacelle |
| NACA |
National Advisory Committee For Aeronautics |
| NAS |
National Aerospace Standards |
| NAT |
North Atlantic Track |
| NATS |
National Air Traffic Services |
| NAV |
Navigation |
| NAVAID |
Navigational Aid |
| NAV RAD |
NAVigation RADio |
| NB |
Narrow Body |
| NBPT |
No Brake Power Transfer |
| NC |
Normally Closed |
| NCD |
Non Computed Data |
| ND |
Navigation Display |
| NDB |
Non Directional Beacon |
| NDT |
Non Destructive Test/Testing |
| NE |
North East |
| NEG |
Negative |
| NFC |
Not Fully Closed |
| NFO |
Not Fully Open |
| NG |
Next Generation (737 séries 6-7-8-900, BBJ1 or BBJ2) |
| NGV |
Nozzle Guide Vane (Apic Apu) |
| NH |
High Pressure Compressor/Turbine Speed |
| NIL |
N1 Limit
No items |
| NLG |
Nose Landing Gear |
| NM or NMI |
Nautical Miles |
| NO |
Normally Open
Number |
| NOOS |
Normal Operations Safety Survey |
| NOPAC |
North Pacific |
| NORM |
NORMal |
| NOTAM |
NOtice To AirMen |
| NOTOC |
NOtification TO Captain |
| NOVRAM |
Non Volatile Read Only Memory |
| NPA |
N Apu Peak |
| NPS |
Navigation Performance Scales |
| NRV |
Non Return Valve |
| NS/FSB PANEL |
No Smoking/Fasten Seat Belt Panel |
| NS |
No Smoking |
| NSC |
No Siginificant Clouds |
| NSS |
Neutral Shift Sensor |
| NSW |
No Significant Weather |
| NTC |
Negative Temperature Coefficient |
| NTM |
Non-Destructive Test Manual |
| NTSB |
National Transportation Safety Board (Usa) |
| NTSC |
National Television Standards Committee |
| NUM |
Numerical |
| NVM |
Non Volatile Memory |
| NW |
Nose Wheel
North West |
| NWP |
Newspapers and Magazines |
| NWS |
Nose Wheel Steering
National Weather Service |
| NZCAA |
New Zealand Civil Aviation Authority |
