# 2025-15723: FAA Dumps Unreachable Inventor's Plane Cert—Data Goes Public!

2025-15723, Notice of Intent To Designate as Abandoned John Benham Supplemental Type Certificate No. SA3866SW, is a Federal Register notice from Transportation Department, Federal Aviation Administration published 2025-08-19 (as of 2026-06-08).

- Canonical: https://policyrisk.com/federal-register/2025-15723
- As of: 2026-06-08
- Plain-text twin of the page above; the HTML and this file carry the same facts.

## Facts
- Document number: 2025-15723
- Title: Notice of Intent To Designate as Abandoned John Benham Supplemental Type Certificate No. SA3866SW
- Type: Notice
- Agencies: Transportation Department; Federal Aviation Administration
- Citation: 90 FR 40462
- Published: 2025-08-19
- Effective: unknown
- Comments close: not stated
- Significant: no
- Touches household money: no
- Regulation identifier numbers: none
- Last updated: 2026-06-08

## In one line

FAA Dumps Unreachable Inventor's Plane Cert—Data Goes Public!

## Summary

The FAA plans to mark John Benham's Supplemental Type Certificate No. SA3866SW as abandoned because they can't reach him. This means the engineering data tied to this certificate will be available to anyone who asks. Pilots and aircraft owners using this STC should pay attention, as this move helps keep flying safe and smooth.

## Abstract

This notice announces the FAA's intent to designate John Benham Supplemental Type Certificate (STC) No. SA3866SW as abandoned and make the related engineering data available upon request. The FAA has received a request to provide engineering data concerning this STC. The FAA has been unsuccessful in contacting John Benham concerning the STC. This action is intended to enhance aviation safety.

## Effects PRIA read

- STC Declared Abandoned; Data Released: benefit, low. The FAA plans to designate John Benham's Supplemental Type Certificate No. SA3866SW as abandoned. The engineering data tied to this STC will be made available to anyone who requests it, and the FAA says this action is intended to enhance aviation safety. Pilots and aircraft owners using this STC sh…

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## Sources
- [2025-15723 on federalregister.gov](https://www.federalregister.gov/documents/2025/08/19/2025-15723/notice-of-intent-to-designate-as-abandoned-john-benham-supplemental-type-certificate-no-sa3866sw)
- [2025-15723 as published (PDF)](https://www.govinfo.gov/content/pkg/FR-2025-08-19/pdf/2025-15723.pdf)

## Related
- [Previous: 2025-15722, Reporting and Recordkeeping Requirements Under OMB Review](https://policyrisk.com/federal-register/2025-15722)
- [Next: 2025-15724, Certain New Chemicals; Receipt and Status Information for May 2025](https://policyrisk.com/federal-register/2025-15724)
- [All Federal Register documents](https://policyrisk.com/federal-register)

Source: PRIA, https://policyrisk.com/federal-register/2025-15723 (as of 2026-06-08).