# STC SA4-43

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Grand Central Aircraft Co, United States
- Description: 17-inch windows.
- Status date: June 6, 1970
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A-618](https://openairdocs.org/tcds/A-618), [TCDS A-669](https://openairdocs.org/tcds/A-669)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/F5D558AB5C6E9B7F85256CC2000C5EA0.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA4-43

## ADs that name it (0)

None.

## Approved models (2)

- McDonnell Douglas Corporation DC-3 Series ([TCDS A-618](https://openairdocs.org/tcds/A-618))
- McDonnell Douglas Corporation DC-3 Series ([TCDS A-669](https://openairdocs.org/tcds/A-669))

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