2025-13715Rule

Airbus Choppers' Fake Fire Alarms Lead to Detector Swap Mandate

Published Date: 7/22/2025

Rule

Summary

The FAA is making a new rule for certain Airbus Helicopters because some engine fire detectors gave false alarms. If you own an AS 365 N3, EC 155B, or EC155B1 helicopter, you’ll need to replace these faulty detectors and can’t install the old ones anymore. This keeps everyone safer and helps avoid costly false fire warnings.

Analyzed Economic Effects

1 provisions identified: 0 benefits, 0 costs, 1 mixed.

Airbus Helicopter Fire Detector Replacement

If you own or operate an Airbus Helicopter Model AS 365 N3, EC 155B, or EC155B1, you must replace affected engine fire detectors. The rule also prohibits installing an affected engine fire detector or installing an engine that contains one, to address false engine fire warnings and improve safety.

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Key Dates

Published Date
7/22/2025

Department and Agencies

Department
Independent Agency
Agency
Transportation Department
Federal Aviation Administration
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