Airworthiness Directives; Columbia Helicopters, Inc. and Restricted Category Model CH-47D Helicopters
Published Date: 4/14/2026
Proposed Rule
Summary
The FAA wants all Columbia Model 234 and Restricted Category CH-47D helicopter owners to regularly check certain flight control parts for rust. If corrosion shows up, they’ll need to fix or replace those parts and report what they find. This keeps helicopters safe and flying smoothly, with comments on the plan due by May 29, 2026.
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Key Dates
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