# STC SA3219SO

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Aero Design Services, Inc, United States
- Description: Installation of a modified interior configuration of 0 first class and 156 tourist class seats.
- Status date: April 24, 1992
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A16WE](https://openairdocs.org/tcds/A16WE)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/D880346C3779317B85256CC2000A956A.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA3219SO

## ADs that name it (0)

None.

## Approved models (1)

- The Boeing Company 737-400 Series ([TCDS A16WE](https://openairdocs.org/tcds/A16WE))

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