# STC SA4-8

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Standard Airways, United States
- Description: Wright R1820-87 and -60 engines and Hamilton Standard 6353A-18 propellers and modification fuel system and exhaust system.
- Status date: January 1, 1960
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 2-577](https://openairdocs.org/tcds/2-577)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/50BAC4F65E6E7CB3862570D00072C8E5.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA4-8

## ADs that name it (0)

None.

## Approved models (1)

- Douglas Aircraft Co. Inc. Army B-18 Series ([TCDS 2-577](https://openairdocs.org/tcds/2-577))

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