2026-07218Proposed Rule

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.

No Economic Impacts Identified for this Document

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Key Dates

Published Date
Comments Due
4/14/2026
5/29/2026

Department and Agencies

Department
Independent Agency
Agency
Transportation Department
Federal Aviation Administration
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