Civil aviation dictionary
Aviation glossary
Terms, abbreviations and procedures explained without unnecessary jargon, with English names and clear definitions.
- Total entries
- 2480
- Terms
- 435
- Abbreviations
- 2045
N
- Abbreviationnegative replies not required
NONEG stands for negative replies not required in FAA terminology.
- Abbreviationnegative vorticity advection
NVA stands for negative vorticity advection in FAA terminology.
- AbbreviationNetwork Monitoring and Control Equipment
NMCE stands for Network Monitoring and Control Equipment in FAA terminology.
- AbbreviationNetwork Monitoring and Control System
NMCS stands for Network Monitoring and Control System in FAA terminology.
- AbbreviationNew England
NEW ENG stands for New England in FAA terminology.
- AbbreviationNEXRAD Communications Interface Unit
NCIU stands for NEXRAD Communications Interface Unit in FAA terminology.
- AbbreviationNext Generation Air Transportation System
NextGen stands for Next Generation Air Transportation System in FAA terminology.
- AbbreviationNext Generation Weather Radar
NEXRAD stands for Next Generation Weather Radar in FAA terminology.
- AbbreviationNextGen Weather Processor
NWP stands for NextGen Weather Processor in FAA terminology.
- Abbreviationnight frequency
NFQ stands for night frequency in FAA terminology.
- Abbreviationno additional traffic reported
NATR stands for no additional traffic reported in FAA terminology.
- Abbreviationno change in weather
NCWX stands for no change in weather in FAA terminology.
- Abbreviationno essential traffic reported
NETR stands for no essential traffic reported in FAA terminology.
- Abbreviationno further clearance required
NEF stands for no further clearance required in FAA terminology.
- Abbreviationno further information
NOFIN stands for no further information in FAA terminology.
- Flying skillsNO GYRO APPROACH
A radar approach/vector provided in case of a malfunctioning gyro‐compass or directional gyro.
- Abbreviationno layers
NL stands for no layers in FAA terminology.
- Abbreviationno parallel traffic
NPRL stands for no parallel traffic in FAA terminology.
- Abbreviationno pilot balloon observation due to high, or gusty, surface wind
PIWI stands for no pilot balloon observation due to high, or gusty, surface wind in FAA terminology.
- Abbreviationno pilot balloon observation due to snow
PISO stands for no pilot balloon observation due to snow in FAA terminology.
- Abbreviationno pilot balloon observation due to unfavorable sea conditions
PISE stands for no pilot balloon observation due to unfavorable sea conditions in FAA terminology.
- Abbreviationno pilot balloon observation will be filed next collection unless weather changes significantly
NORPI stands for no pilot balloon observation will be filed next collection unless weather changes significantly in FAA terminology.
- Abbreviationno radio
NORDO stands for no radio in FAA terminology.
- Abbreviationno radio contact
NORAC stands for no radio contact in FAA terminology.