Glossary

Look up acronyms, technical terms and phrases to find out what they mean.

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NVG

Definition
Night Vision Goggles (by the MIL)
Glossary Night operations Source: CASR Part 66

NVIS

Definition
Night Vision Imaging Systems
Glossary Night operations

NW

Definition
North-West
Glossary Navigation Source: AIS

NXT

Definition
Next
Glossary Communication

NZ CAA

Definition
New Zealand Civil Aviation Authority
Glossary Organisation Source: AIS

NZS

Definition
New Zealand Standard
Glossary Regulations

O/R

Definition
On Request
Glossary Communication

OAR

Definition
Office of Airspace Regulation
Glossary Organisation

OAT

Definition
Outside Air Temperature
Glossary Meteorology Source: CASA

OBPR

Definition
Office of Best Practice Regulation
Glossary Organisation

OBS

Definition
Observe, Observed, Observation
Glossary Meteorology

OBS

Definition
Omni Bearing Selector
Glossary Navigation

OBSC

Definition
Obscure, Obscured, Obscuring
Glossary Safety

OBST

Definition
Obstacle
Glossary Safety

OBSTR

Definition
Obstruction
Glossary Safety
Online version available at: https://www.casa.gov.au//resources-and-education/glossary
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