# STC ST921SO

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Delta Airlines Inc, United States
- Description: Fabrication and installation of baggage stowage rack, P/N 325100.
- Status date: January 28, 1977
- 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/91237E8FE317334885256CC3000374CD.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/ST921SO

## ADs that name it (0)

None.

## Approved models (1)

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

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