The world is being quietly rearranged by people who write very long documents.


The title they went with Airworthiness Directives; Airbus Helicopters Noisy translates that to

Airbus helicopters cannot use uncertified main rotor blades


US aviation regulators are proposing a rule that would ban certain uncertified main rotor blades on Airbus EC 130 T2 helicopters. This means operators must replace these parts with certified ones and cannot install uncertified blades in the future.
This rule closes a loophole where helicopter operators received parts that lacked proper maintenance instructions. It means that every affected helicopter must now use blades that meet safety standards and have clear maintenance guidelines. This shifts the burden of ensuring proper certification from the operator to the parts supply chain, as uncertified parts can no longer be installed.
Watch for the final rule and how quickly operators comply with replacing the affected blades, especially if there are supply chain issues for certified parts.

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