# STC SA1-438

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Albert E Zotack, United States
- Description: Lycoming O-360-A1A engine and McCauley 2D36C14/78 KM-4 propeller with Woodward 210105 AA governor.
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 3A12](https://openairdocs.org/tcds/3A12)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/EBE353F0F3446E5385256CCB0060181A.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA1-438

## ADs that name it (0)

None.

## Approved models (1)

- The Cessna Aircraft Company 172 Series ([TCDS 3A12](https://openairdocs.org/tcds/3A12))

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