# STC SA3-277

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Staggerwing Museum Foundation Inc., United States
- Description: Modify existing cabin port hole windows.
- Applied: April 22, 1958
- Status date: December 19, 2002
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A-765](https://openairdocs.org/tcds/A-765)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/F5F393ADEB89311686256CE000542A00.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA3-277

## ADs that name it (0)

None.

## Approved models (4)

- Raytheon Aircraft Company C-45G ([TCDS A-765](https://openairdocs.org/tcds/A-765))
- Raytheon Aircraft Company C-45H ([TCDS A-765](https://openairdocs.org/tcds/A-765))
- Raytheon Aircraft Company D18S ([TCDS A-765](https://openairdocs.org/tcds/A-765))
- Raytheon Aircraft Company TC-45G ([TCDS A-765](https://openairdocs.org/tcds/A-765))

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