# STC SA4-124

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Pan American World Airways Inc., United States
- Description: Station 122 bulkhead.
- Status date: January 1, 1960
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 4A10](https://openairdocs.org/tcds/4A10)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/5B4636D86257B39C862570CE005A03B2.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA4-124

## ADs that name it (0)

None.

## Approved models (1)

- McDonnell Douglas Corporation DC-7 Series ([TCDS 4A10](https://openairdocs.org/tcds/4A10))

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