# STC SA3-409

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Aircraft Industries of Canada Ltd., Canada
- Description: Increase fuselage height, large windows, panorama windows, stair door, and emergency exit.
- Status date: January 1, 1960
- 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/3CAB258B1313CB89862570CA007998A6.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA3-409

## ADs that name it (0)

None.

## Approved models (3)

- 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))

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