Lexinet - Airbus Reference Language
Abbreviations (Approved and For Information)
NAI General Nacelle Anti-Icing
NAS General Navy and Army Standard
NASA General National Aeronautics and Space
Administration
Replaces NACA
NatCo None National Company
NATS General North American Telephone System
NAV General Navigation
NAVAID General Navigation Aid
NBCM None Normal Brake Control Manifold
NBF General Network BITE Function
NBPT General No Break Power Transfer
NBS None National Bureau of Standards
NBSELV Panels/Display Units Normal Brake Selector Valve
NC General Normally Closed
NCC None Nacelle Compartment Cooling
NCD General No Computed Data
NCH None Noise Compensated Headset
NCR General NSS Communication Router
NCU None Navigation Computer Unit
NCU General NSS Control Unit
NCV Power Plant and APU Nacelle Cooling Valve PW, IAE
ND General Navigation Display
ND None Navigation Database
NDB None Navigation Data Base
NDB None Non-Directional Radio Beacon
NDB General Non-Directional Beacon
NDM General Noise Definition Manual
NDT General Non-Destructive Test
NEG General Negative
NFC None Not Fully Closed
NFO None Not Fully Open
NFOV General Narrow Field of View For MRTT only
NHA General Next Higher Assembly
NLA None Non-Listed Assembly
NLCP None Noise Level Calculation Program
NLG General Nose Landing Gear
NM None Nautical Mile
Nm None Moment (Newtonmeter)
NMI General Non Maskable Interrupt
NO General Normal Operation
Approved ABBR in bold
ABBR for information in italics © Airbus SAS 2007. All rights reserved. Confidential and proprietary document.
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Abbreviation Domain Term Remarks
3D General Three Dimensional (Lat, Long, Alt)
4D General Four Dimensional (Lat, Long, Alt, Time)
A None Ampere
A None Alternate
Lexinet - Airbus Reference Language
Abbreviations (Approved and For Information)
NO None Normal Operation in SSM
NO General Normally Open
No General Number
NonflaG None Non-Flammable Compressor Gas
NOPT None No Procedure Turn Required
NORM General Normal
NORM ALIGN None Normal Alignment
NOTAM None Notice to Airmen
NOVOLRAM None Non-Volatile Random Access Memory
NOVOLRAM General Non-volatile Random Access Memory
NP None Non Procurable
NPN None Negative-Positive-Negative
NPT None National Taper Pipe (Thread)
NPV None Net Present Value
NRC None Non-Recurring Cost
NRP None Navigation Reference Point
NRZ None Non Return To Zero
NS General No Smoking
NSA General Norme Sud Aviation
NSCM General NATO Supply Code for Manufacturers
NSDW General Non Specific Design Work
NSIU General Nose Static Interface Unit
NSS General Network Server System
NSU None Network Server Unit
NTM General Nondestructive Testing Manual
NTO None No Technical Objection
NTSC General National Television System Committee
NTWK General Network
NUA None Normal Unlock Actuator
NUM General Numerical
NVM General Non-Volatile Memory
NVM None Non Volatile Memory
NW None Nose Wheel
O General Open
O None Orange
O/C None Open Circuit
O/P General Output
O2 General Oxygen (Symbol)
OADMT None Overall Aircraft Design Management Team
OAMS General Onboard Asynchronous Messaging Service
Approved ABBR in bold
ABBR for information in italics © Airbus SAS 2007. All rights reserved. Confidential and proprietary document.
72/114
19 Mar 07
Abbreviation Domain Term Remarks
3D General Three Dimensional (Lat, Long, Alt)
4D General Four Dimensional (Lat, Long, Alt, Time)
A None Ampere
A None Alternate
Lexinet - Airbus Reference Language
Abbreviations (Approved and For Information)
OANC General Onboard Airport Navigation Computer
OANS General Onboard Airport Navigation System
OASI None Operation and Service Instruction Manual
OAT General Outside Air Temperature
OBCE General On-Board Control Equipment
OBCEww General On-Board Control Equipment worldwide
OBOGS General On Board Oxygen Generation System
OBRM General On Board Replaceable Module
OBS General Omni Bearing Selector
OBS None Organization Breakdown Structure
OBSV None Observation
OBSVR None Observer
OC None On Condition
OC General Open Circuit
OC General Overcurrent
OC None Order Card
OC Panels/Display Units Oceanic Clearance
OCCPD None Occupied
OCCPNT General Occupant
OCL None Obstacle Clearance Limit
OCM General Outflow valve Control Module
OCM None Out of Control Months
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