# STC SA3866SW

- Type: Supplemental type certificate
- Status: Historical, Abandoned
- Holder: Benham John, United States
- Description: Modified door latch.
- Applied: June 11, 1987
- Status date: February 18, 2026
- Product: Aircraft, Small Airplane
- Data sheets: [TCDS A-799](https://openairdocs.org/tcds/A-799)
- Certificate PDF: https://openairdocs.org/files/sha256/00/f4/00f4341e117c5a356bcea338e5601a47732b72d3d925386835d6e1eb2fb3e1be
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID168104798420260514184527.0001
- DRS record last changed: May 14, 2026
- Page: https://openairdocs.org/stc/SA3866SW

## ADs that name it (0)

None.

## Approved models (3)

- Cessna Aircraft Company 170 ([TCDS A-799](https://openairdocs.org/tcds/A-799))
- Cessna Aircraft Company 170A ([TCDS A-799](https://openairdocs.org/tcds/A-799))
- Cessna Aircraft Company 170B ([TCDS A-799](https://openairdocs.org/tcds/A-799))

## What the certificate says

The certificate is a scan without a text layer; open the PDF to read it.

## Every issue (2)

- February 18, 2026: Abandoned, Historical. [certificate](https://openairdocs.org/files/sha256/00/f4/00f4341e117c5a356bcea338e5601a47732b72d3d925386835d6e1eb2fb3e1be)
- June 26, 1996: Amended, Historical. [certificate](https://openairdocs.org/files/sha256/f2/b6/f2b6f77341c01f96364eed68b4437ca837d681af70351db6c4f9943b746e72cd)

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From OpenAirDocs.org, an independent open copy of FAA and NTSB data. Only the Federal Register edition on govinfo.gov is the official legal text of an AD.