# STC SA1-104

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Thomas LR Solt, Jr, United States
- Description: McCauley 1A170 propeller.
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A-773](https://openairdocs.org/tcds/A-773)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/B005A9FD3109353885256CC1007F3B7B.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA1-104

## ADs that name it (0)

None.

## Approved models (1)

- Bellanca Aircraft Corporation 14-13 Series ([TCDS A-773](https://openairdocs.org/tcds/A-773))

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