---
title: "M.B.305 Aircraft technical log system — Part-M · Avioverse"
description: "The competent authority shall approve the initial aircraft technical log system required by point M.A.306."
url: "https://avioverse.aero/regulations/easa/continuing-airworthiness/part-m/section-b-procedure-for-competent-authorities/m-b-305"
---

# M.B.305 Aircraft technical log system

Annex I (Part-M) · Regulation (EU) No 1321/2014 · EAR revision 2 Sep 2025

IR Implementing rule

## M.B.305 Aircraft technical log system

(a) The competent authority shall approve the initial [aircraft](https://avioverse.aero/glossary/easa/aircraft) technical log system required by point M.A.306.

(b) To enable the [organisation](https://avioverse.aero/glossary/easa/organisation) to implement changes to the aircraft technical log system without prior competent authority approval, the competent authority shall approve the relevant procedure referred to in point CAMO.A.300(c) of Annex Vc, or point M.A.704(c) of this Annex or point CAO.A.025(c) of Annex Vd.

IR · M.B.305 — Regulation (EU) No 1321/2014 · Regulation (EU) 2020/270 · Continuing Airworthiness Easy Access Rules · EAR revision 2 Sep 2025

[All rules in SECTION B — PROCEDURE FOR COMPETENT AUTHORITIES](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-m/section-b-procedure-for-competent-authorities)

Consolidated from the EASA Easy Access Rules (revision 2 Sep 2025, extracted 13 Oct 2026) for convenience. Not the official publication — verify against the Official Journal of the European Union and the EASA publications before operational use.