# STC SA639SO

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Aircraft Interior Fabricators Inc, United States
- Description: Installation of hatrack assembly. (727-35)
- Status date: January 1, 1960
- 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/90E0878D712F4C91862570D2005A5B7F.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA639SO

## ADs that name it (0)

None.

## Approved models (1)

- The Boeing Company 727 ([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.
