---
title: "Critical maintenance task — EASA Definition · Avioverse"
description: "Article 2, Regulation (EU) No 1321/2014: ‘critical maintenance task’ means a maintenance task that involves the assembly or any disturbance of a system…"
url: "https://avioverse.aero/glossary/easa/critical-maintenance-task"
---

# critical maintenance task

EASA defines “critical maintenance task” in one regulation. The wording below is reproduced verbatim from the EASA Easy Access Rules, with a link to the paragraph it comes from.

> ‘critical maintenance task’ means a maintenance task that involves the assembly or any disturbance of a system or any part on an aircraft, engine or propeller that, if an error occurred during its performance, could directly endanger the flight safety;

Article 2 · Continuing Airworthiness · Regulation (EU) No 1321/2014 · Easy Access Rules, 2 Sep 2025 revision · [Read Article 2](https://avioverse.aero/regulations/easa/continuing-airworthiness/cover-regulation/powers-and-recital#article-2)

## Defined in the same article

- [aeroplane](https://avioverse.aero/glossary/easa/aeroplane)
- [aircraft](https://avioverse.aero/glossary/easa/aircraft)
- [certifying staff](https://avioverse.aero/glossary/easa/certifying-staff)
- [commercial air transport (CAT) operation](https://avioverse.aero/glossary/easa/commercial-air-transport-operation)
- [commercial specialised operations](https://avioverse.aero/glossary/easa/commercial-specialised-operations)
- [competition flight](https://avioverse.aero/glossary/easa/competition-flight)
- [complex motor-powered aircraft](https://avioverse.aero/glossary/easa/complex-motor-powered-aircraft)
- [component](https://avioverse.aero/glossary/easa/component)