# STC SA4-1099

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Atlantic Aeroengineering Ltd, United States
- Description: Panorama picture window.
- Status date: February 22, 1994
- 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/E3625107C9CEF52885256CC2000C5CC0.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA4-1099

## 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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