From 5 April 2025, the Civil Aviation Act 2023 replaces the Civil Aviation Act 1990. References to the 1990 Act, on this website and related material, are progressively being updated.
145.151 - Transition for maintenance organisation certificate holders and applicants that maintain aircraft performing Part 121 or Part 125 operations or their components
145.153 - Transition for maintenance organisation certificate holders and applicants that maintain aircraft not performing Part 121 or Part 125 operations or their components
145.155 - Transitional internal quality assurance for maintenance organisation certificate holders and applicants
