What is MRO in Aviation? Full Breakdown of Maintenance, Repair, Overhaul, Regulations, and MRO Shops

Discover what MRO truly means in aviation. This detailed guide explains the history of aircraft maintenance, the structure of MRO organizations, and the differences between line maintenance, base maintenance, component MRO, landing gear overhaul, engine shops, avionics repair centers, and structural workshops. Learn how A, B, C, and D checks relate to MRO activities, and which regulations govern the industry, including EASA Part 145, FAA Part 43 and Part 145, GCAA CAR 145, Part M, Part 66, and OEM manuals. A complete educational breakdown for aviation professionals, students, and anyone interested in how aircraft remain airworthy. Check our website for more details: specially if you are looking for MRO equipment and tooling you can always send us your inquries. https://www.avaet.com/post/aviation-m...