# STC SA4-46

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Serv-Aero Engr Inc, United States
- Description: Lycoming O-435-1 engine, accessories, and Hartzell HC-12X20-8D propeller.
- Status date: January 1, 1960
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A-767](https://openairdocs.org/tcds/A-767)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/86755A7EAA84C1B1862570D00052887B.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA4-46

## ADs that name it (0)

None.

## Approved models (1)

- Univair Aircraft Corporation 108 Series ([TCDS A-767](https://openairdocs.org/tcds/A-767))

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