# STC SE579SO

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Mack's Aircraft Engine Svc, United States
- Description: Installation of Bendix magneto models S6LN-20 and S6LN-21.
- Status date: August 12, 1992
- Product: Engine
- Certification basis: Part 21
- Data sheets: [TCDS E-228](https://openairdocs.org/tcds/E-228)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/8472B357D360D5E385256CC2005A75C1.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SE579SO

## ADs that name it (0)

None.

## Approved models (4)

- Textron Lycoming AVCO Corporation GO-435-C2 ([TCDS E-228](https://openairdocs.org/tcds/E-228))
- Textron Lycoming AVCO Corporation GO-435-C2A ([TCDS E-228](https://openairdocs.org/tcds/E-228))
- Textron Lycoming AVCO Corporation GO-435-C2B ([TCDS E-228](https://openairdocs.org/tcds/E-228))
- Textron Lycoming AVCO Corporation GO-435-C2B1 ([TCDS E-228](https://openairdocs.org/tcds/E-228))

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