# STC ST811SO

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: B/E Aerospace, United States
- Description: Manufacture and installation of coat closet, P/N 11133-1 per Universal Oil Products Company Drawing List No. DL-105 latest FAA approved revision.  Approved for models Boeing 727-25, 727-25C, and 727-225.
- Applied: October 22, 1974
- Status date: April 23, 2002
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A3WE](https://openairdocs.org/tcds/A3WE)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/57775DD1311EFC8186256D2C006925B9.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/ST811SO

## ADs that name it (0)

None.

## Approved models (2)

- The Boeing Company 727 Series ([TCDS A3WE](https://openairdocs.org/tcds/A3WE))
- The Boeing Company 727C Series ([TCDS A3WE](https://openairdocs.org/tcds/A3WE))

---
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.