---
title: "Flight Information Region Boundary — aviation glossary — OnlyPlanes"
description: "FIRB stands for Flight Information Region Boundary in FAA terminology."
canonical_url: "https://onlyplanes.ru/en/learn/flight-information-region-boundary"
locale: en
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  "og:title": "Flight Information Region Boundary — aviation glossary"
---

> Index of every page on this site: [llms.txt](https://onlyplanes.ru/llms.txt)

Aviation abbreviation

# Flight Information Region Boundary

FIRB

ABBR · Flying skills

At a glance

## Meaning of Flight Information Region Boundary

FIRB stands for Flight Information Region Boundary in FAA terminology.

### More about Flight Information Region Boundary

This abbreviation is used in flying and flight procedures. The English reference lists Flight Information Region Boundary with the abbreviation FIRB.

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

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