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UK CAA Hydrogen Challenge Gap Analysis Report - CS-25 Gap Analysis for a Hydrogen Fuel System

The Civil Aviation Authority is publishing its UK CAA Hydrogen Challenge Gap Analysis Report - CS-25 Gap Analysis for a Hydrogen Fuel System.

This document provides an initial gap analysis of Certification Specifications (CS-25) Requirements for a Hydrogen Powered Aircraft. The gap analysis looks at the potential changes required to existing Certification Requirements to address the main airworthiness / safety considerations for a Hydrogen Powered Aircraft and includes a review of the associated Guidance Material (GM) and Acceptable Means of Compliance (AMCs).

Status
Current
Review comment
-
Version
1
Version date
16-Jun-2025
View file

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