Drone maintenance log

Overview

A drone maintenance log documents the aircraft's technical history: flight hours, maintenance work performed, components replaced and defects noted.

EASA Open-category regulation does not directly mandate a maintenance log, but best-practice standards and the requirements of many commercial clients make it a practical necessity.

Rules

In Specific category, a maintenance log may be mandatory under operational authorisation conditions. Commercial clients — especially in energy, construction and infrastructure sectors — often require a full technical log as evidence.

What should be in the log: flight date, duration and location; pre-flight check results; defects observed; components replaced (propellers, batteries, motors) with replacement date.

Licence

The maintenance log is a legal document in the event of an incident. If a drone crashes, the log can demonstrate that regular maintenance was conducted and the operator acted responsibly.

Commercial operators should retain logs for at least as long as the insurance is valid or until the potential claims limitation period has passed. A minimum of 3 years is recommended.

Next step

Start with a simple spreadsheet or digital log to record every flight. Specialised drone management apps (AirData UAV) automatically import flight data from the drone.

For fleet management system overviews see /blog/drone-fleet-management. For large numbers of aircraft, a digital system is essential.

Frequently asked questions

Is a maintenance log mandatory for an A2 operator?

Not directly mandatory in Open category, but strongly recommended. Commercial clients and insurance companies may require one. In Specific category it may be mandatory under permit conditions.

How often should a drone be inspected?

Before every flight — a visual check (propellers, connections, battery, body). Periodically — more detailed inspection per manufacturer recommendations (e.g. every 50 flight hours).