---
title: "not in system — aviation glossary — OnlyPlanes"
description: "NIS stands for not in system in FAA terminology."
canonical_url: "https://onlyplanes.ru/en/learn/not-in-system"
locale: en
meta:
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  "og:description": "NIS stands for not in system in FAA terminology."
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  "og:title": "not in system — aviation glossary"
---

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Aviation abbreviation

# not in system

NIS

ABBR · Aircraft and systems

At a glance

## Meaning of not in system

NIS stands for not in system in FAA terminology.

### More about not in system

This abbreviation is used in aircraft and systems. The English reference lists not in system with the abbreviation NIS.

FAA abbreviations reflect US aviation usage. Their meaning and permitted use can differ in documents from other countries.

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