Airworthiness Directive · Amendment 39-23196 · Passenger compartment windows
Airbus Helicopters
This AD applies to Airbus Helicopters Model EC 155B and EC 155B1 helicopters, certificated in any category.
The FAA is adopting a new airworthiness directive (AD) for all Airbus Helicopters Model EC 155B and EC 155B1 helicopters. 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. This AD requires replacement of the jettisonable windows and seals on the sliding doors and fixed panels on the left-hand and right-hand sides. This AD also requires the installation of new labels. The FAA is issuing this AD to address the unsafe condition on these products.
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).
(1) Where EASA AD 2024-0173 refers to its effective date, this AD requires using the effective date of this AD.
(2) Where EASA AD 2024-0173 refers to flight hours, this AD requires using hours time-in-service (TIS).
(3) This AD does not adopt the “Remarks” section of EASA AD 2024-0173.
Although the material referenced in EASA AD 2024-0173 specifies to submit certain information to the manufacturer, this AD does not include that requirement.
