# STC SA166WE

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Herpolsheimer Enterprises, United States
- Description: Remove main cabin door
- Applied: June 21, 1962
- Status date: June 27, 1962
- Product: Aircraft, Small Airplane
- Certification basis: Part 21
- Data sheets: [TCDS 6A1](https://openairdocs.org/tcds/6A1)
- Certificate PDF: https://openairdocs.org/files/sha256/b1/e0/b1e0d42a06e97a65c626bf585ffbe6bde948baa12a518872356be2dfaba05ead
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/A5E56E4181F11CB786257ECE00652646.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA166WE

## ADs that name it (0)

None.

## Approved models (1)

- Twin Commander Aircraft LLC 500 ([TCDS 6A1](https://openairdocs.org/tcds/6A1))

## What the certificate says

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

## Every issue (1)

- June 27, 1962: Issued, Current. [certificate](https://openairdocs.org/files/sha256/b1/e0/b1e0d42a06e97a65c626bf585ffbe6bde948baa12a518872356be2dfaba05ead)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
