22 Jul 2025

✈️New FAA Airworthiness Directive for Airbus Helicopters

Airworthiness Directives; Airbus Helicopters

Summary

The FAA is adopting a new airworthiness directive (AD) for all Airbus Helicopters Model AS 365 N3, EC 155B, and EC155B1 helicopters. This AD was prompted by reports of false engine fire warnings. This AD requires replacing affected engine fire detectors and prohibits installing an affected engine fire detector or an engine that contains an affected engine fire detector. The FAA is issuing this AD to address the unsafe condition on these products.

Agencies

  • Transportation Department
  • Federal Aviation Administration

Business Impact ?

$$ - Med

The FAA's airworthiness directive (AD) mandates compliance measures for Airbus Helicopter models, impacting maintenance costs for operators. Compliance requires replacing defective engine fire detectors, incurring an estimated cost of $1,885 per helicopter. This regulatory change directly affects financial planning and operational compliance for helicopter operators.

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