---
title: "AD/GBK 117/21 - Pressure Altitude Limitation and Max N1 Check"
slug: "ad-gbk-117-21-pressure-altitude-limitation-and-max-n1-check"
jurisdiction_code: "commonwealth"
collection: "legislative_instrument"
status: "in force"
canonical_url: "https://zoelaw.ai/legislation/ad-gbk-117-21-pressure-altitude-limitation-and-max-n1-check"
date_modified: "2026-04-02"
source_text_available: false
---

# AD/GBK 117/21 - Pressure Altitude Limitation and Max N1 Check

Zoe has a public metadata record for this legal instrument, but accepted source text is not available in the agent mirror yet.

Canonical page: https://zoelaw.ai/legislation/ad-gbk-117-21-pressure-altitude-limitation-and-max-n1-check