2026-15365RuleWallet

FAA Tells Bell Helicopter Owners: Swap the Tail Cap, Skip Inspections

Published Date: 7/30/2026

Rule

Summary

If you fly Bell Textron Canada Model 505 helicopters, listen up! The FAA is updating safety rules to require replacing the vertical stabilizer top end cap with a new, improved design by September 3, 2026. This swap stops the need for ongoing crack inspections, keeping your chopper safer and saving you time and hassle.

Analyzed Economic Effects

5 provisions identified: 1 benefits, 3 costs, 1 mixed.

Mandatory inspections of top end cap

If you operate a Bell Textron Canada Model 505 helicopter covered by this rule, you must continue initial and recurring detailed visual inspections of the vertical stabilizer top end cap assembly and replace it if you find a crack. The rule cites Transport Canada AD CF-2025-32 and is effective September 3, 2026.

Estimated per-helicopter compliance costs

The FAA estimates per-helicopter costs: initial inspection = 2 work-hours at $85/hour = $170; recurring inspection = 1 work-hour at $85 = $85; replacement labor = 6 work-hours at $85 = $510 plus parts $2,000 for a total replacement cost of $2,510. These cost estimates apply to helicopters of U.S. registry and are in the AD effective September 3, 2026.

Required replacement ends inspections

The AD requires replacing top end cap assembly part number SLS-030-701-125 with the improved machined top end cap assembly P/N SLS-704-701-101; installing the improved part is a terminating action for the repetitive inspections. This requirement is part of the AD effective September 3, 2026.

Total U.S. operator cost and affected fleet

The FAA estimates this AD affects 150 U.S.-registered Model 505 helicopters. Estimated total costs on U.S. operators are $25,500 for initial inspections, $12,750 for a round of recurring inspections, and $376,500 if all affected helicopters require replacement (150 × $2,510). The AD is effective September 3, 2026.

Some helicopters excluded from AD

The AD limits its applicability to exclude certain serial-numbered Bell Model 505 helicopters that had an improved design vertical stabilizer top end cap installed during production. Owners of those excluded serial numbers are not subject to the inspection/replacement requirements of this AD. This limitation is part of the rule effective September 3, 2026.

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Key Dates

Published Date
Rule Effective
7/30/2026
9/3/2026

Department and Agencies

Department
Independent Agency
Agency
Transportation Department
Federal Aviation Administration
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