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The importance of pre-flight checks

The importance of pre-flight checks

Last updated on

19th March

The CAA have just issued Safety Notice SN-2025/004, stressing the importance of keeping UAS firmware and software up to date. But updates alone aren’t enough they need to be paired with robust pre-flight checks to ensure safe, compliant operations and continuous airworthiness!

Why does this matter?

Improperly handled software and firmware updates have been linked to loss-of-control incidents, something no operator wants to experience. A simple oversight in system updates or pre-flight checks could mean the difference between a successful mission and a major safety risk.

Best Practices for UAS Safety:

Follow manufacturer guidance for updates and maintenance Conduct a flight test after every update or modification.

Include firmware checks in your pre-flight routine – don’t assume the last flight was issue-free.

Verify system settings, GPS calibration, and battery health before takeoff Specific Category operators – Integrate update procedures into your Operating Manual.

Know Your Responsibilities:

UAS Operators (Specific Category) – Must have clear maintenance procedures and trained staff to ensure compliance (UAS.SPEC.050)

Remote Pilots – Must be familiar with manufacturer’s instructions and conduct all necessary pre-flight safety checks (UAS.SPEC.060 & UAS.OPEN.060)

See below for a Flight Reference Card template to help you ensure your drone’s airworthiness before every flight! Pre-flight checks are your first line of defense against in-flight failures.

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