---
title: "Pressurized cabin — aviation glossary — OnlyPlanes"
description: "The aircraft space in which pressure is maintained for occupants at altitude."
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  "og:title": "Pressurized cabin — aviation glossary"
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Aircraft and systems

# Pressurized cabin

TERM · Aircraft and systems

At a glance

## Meaning of Pressurized cabin

The aircraft space in which pressure is maintained for occupants at altitude.

### More about Pressurized cabin

The pressurised volume provides a more suitable environment for passengers and crew than the outside air at cruising altitude.

Its pressure differs from the outside atmosphere and is controlled within aircraft limits. Pressurisation, ventilation and oxygen supply are related systems with different functions.

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