# STC SA775SO

- Type: Supplemental type certificate
- Status: Current, Surrendered
- Holder: Avitas Engineering, United States
- Description: Installation of a coatroom and class divider partition in the main cabin at B.S. 544. (727-225A)
- Applied: June 4, 1979
- Status date: February 23, 2009
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A3WE](https://openairdocs.org/tcds/A3WE)
- Certificate PDF: https://openairdocs.org/files/sha256/1f/4a/1f4a68533532de7a9b9c3f0592935663131161a961254e5dca1d0911f3287856
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/4293AAC29975E8BA8625756E0064E760.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA775SO

## ADs that name it (0)

None.

## Approved models (1)

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

## What the certificate says

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

## Every issue (1)

- February 23, 2009: Surrendered, Current. [certificate](https://openairdocs.org/files/sha256/1f/4a/1f4a68533532de7a9b9c3f0592935663131161a961254e5dca1d0911f3287856)

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