# STC SA3-609

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Rock Island Oil & Refining Co. Inc., United States
- Description: Modification of canopy.
- Status date: January 1, 1960
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: TCDS L-3-4
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/AEE4A921DE186E39862570CA00775AFA.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA3-609

## ADs that name it (0)

None.

## Approved models (2)

- Douglas Aircraft Co. Inc. Army A-26B (TCDS L-3-4)
- Douglas Aircraft Co. Inc. Army A-26C (TCDS L-3-4)

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