Aviation glossary · Continuing airworthinessWhat is Part-M?
Regulation (EU) No 1321/2014, Annex I
The EASA regulation setting continuing airworthiness requirements: maintenance programmes, airworthiness reviews, records, and the responsibilities of owners, operators and CAMOs.
Why it matters
Part-M defines what must be kept and for how long. Most disputes at an audit or a lease return are not about the aircraft — they are about whether the record satisfies it.
In AerSynx
Records are attached to the aircraft, engine or component they belong to, and retained with their full history rather than in a folder tree that only one person understands. Technical Records →