# STC SA1427SO

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: PBA, Inc, United States
- Description: Installation of seat belt and shoulder harness for flight attendant.
- Status date: May 17, 1983
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A-669](https://openairdocs.org/tcds/A-669)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/A72E6844FA5A6F9485256CC1008210BC.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA1427SO

## ADs that name it (0)

None.

## Approved models (1)

- McDonnell Douglas Corporation DC-3A Series ([TCDS A-669](https://openairdocs.org/tcds/A-669))

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