Guidance material provides interpretation or amplify in greater detail certain areas or aspects of regulation and/or policy to allow an approval holder to fully implement quality systems which remain compliant and perform well. It will provide approval holders resources to ensure they remain compliant with not only the regulations but also UK Civil Aviation Authority (CAA) policy. This page includes details and links to regulation, policy and guidance. Part 145 Maintenance Organisation Approval holders provide maintenance services in accordance with Regulation (EU) No 1321/2014 as retained (and amended in UK domestic law) under the European Union (Withdrawal) Act 2018
