# STC SA3278SO

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Aircraft Safety Equipment, United States
- Description: Installation of a modified smoke barrier in Class E cargo compartment.
- Status date: August 11, 1994
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A22WE](https://openairdocs.org/tcds/A22WE)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DAC0B55467E529CA85256CC2000A963C.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA3278SO

## ADs that name it (0)

None.

## Approved models (2)

- McDonnell Douglas Corporation DC-10 Series ([TCDS A22WE](https://openairdocs.org/tcds/A22WE))
- McDonnell Douglas Corporation MD-11 ([TCDS A22WE](https://openairdocs.org/tcds/A22WE))

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