# STC SA1-577

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Peters Theodore J, United States
- Description: Installation of Sensenich control- lable pitch propeller Model CS3FM4/C374E.
- Status date: June 24, 1970
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 1A1](https://openairdocs.org/tcds/1A1)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/423050F2189B9B8585256CCB0060182C.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA1-577

## ADs that name it (0)

None.

## Approved models (2)

- The New Piper Aircraft Inc. PA-16 ([TCDS 1A1](https://openairdocs.org/tcds/1A1))
- The New Piper Aircraft Inc. PA-16S ([TCDS 1A1](https://openairdocs.org/tcds/1A1))

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