# STC SA3976WE

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Daugherty John E, United States
- Description: Installation of McCauley 1B90CM7038 propeller on aircraft equipped with Continental A-80-9 engine.
- Status date: June 20, 1979
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A-729](https://openairdocs.org/tcds/A-729)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/5546CFD61C8386E085256CC2000C5C30.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA3976WE

## ADs that name it (0)

None.

## Approved models (1)

- Commonwealth Aircraft Inc. 180 ([TCDS A-729](https://openairdocs.org/tcds/A-729))

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