Airworthiness directives › 2025-24-01
AD 2025-24-01 Airworthiness Directives; Airbus Helicopters
Models named: EC 155B, EC 155B1. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
This AD applies to Airbus Helicopters Model EC 155B and EC 155B1 helicopters, certificated in any category.
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
Except as specified in paragraphs (h) and (i) of this AD: Comply with all required actions and compliance times specified in, and in accordance with European Union Aviation Safety Agency AD 2024-0173, dated September 4, 2024 (EASA AD 2024-0173).
Unsafe condition
This AD was prompted by a determination that the required forces to jettison the windows exceed the maximum jettisoning effort requirements and the development of a modification of the jettisonable windows. The FAA is issuing this AD to prevent the inability to jettison the window(s) during an emergency. The unsafe condition, if not addressed, could result in a reduced capability to evacuate helicopter occupants during an emergency and consequent injury to helicopter occupants.
Affected ADs
None.
Read the original on the Federal Register →
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The directive text above is reproduced from the Federal Register, a work of the United States government and in the public domain. The separation into applicability, compliance and required actions is TrackAD's.*1