# STC SA1781SO

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: B/E Aerospace, United States
- Description: Installation of class dividers.
- Applied: March 13, 1985
- Status date: August 27, 2002
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A6WE](https://openairdocs.org/tcds/A6WE)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/6EDD0FA1F9877BE086256D2C00714CB7.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA1781SO

## ADs that name it (0)

None.

## Approved models (4)

- McDonnell Douglas Corporation DC-9-14 ([TCDS A6WE](https://openairdocs.org/tcds/A6WE))
- McDonnell Douglas Corporation DC-9-15 ([TCDS A6WE](https://openairdocs.org/tcds/A6WE))
- McDonnell Douglas Corporation DC-9-31 ([TCDS A6WE](https://openairdocs.org/tcds/A6WE))
- McDonnell Douglas Corporation DC-9-32 ([TCDS A6WE](https://openairdocs.org/tcds/A6WE))

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