# STC SA646AL

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Crosswinds STOL, United States
- Description: Install Motorola 32.5 amp alternator.
- Status date: August 4, 1978
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A-780](https://openairdocs.org/tcds/A-780)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/22AD8DE56B9702FD85256CC200569F64.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA646AL

## ADs that name it (0)

None.

## Approved models (1)

- The New Piper Aircraft Inc. PA-12 ([TCDS A-780](https://openairdocs.org/tcds/A-780))

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