# STC SA3142SO

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Advanced Technology & Research, Inc, United States
- Description: Design, fabrication, and installation of a composite fuselage interior liner with subcomponent composite circumferential supports.
- Status date: July 11, 1994
- 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/E0AFC9A06209B5F185256CC2000A9469.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA3142SO

## ADs that name it (0)

None.

## Approved models (1)

- The Boeing Company 727-100 Series ([TCDS A3WE](https://openairdocs.org/tcds/A3WE))

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