# STC SE580SO

- 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 22, 1992
- Product: Engine
- Certification basis: Part 21
- Data sheets: [TCDS E-275](https://openairdocs.org/tcds/E-275)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/4419A66A6FB29BA685256CC2005A75C3.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SE580SO

## ADs that name it (0)

None.

## Approved models (5)

- Textron Lycoming AVCO Corporation GO-480-B1B ([TCDS E-275](https://openairdocs.org/tcds/E-275))
- Textron Lycoming AVCO Corporation GO-480-C2C6 ([TCDS E-275](https://openairdocs.org/tcds/E-275))
- Textron Lycoming AVCO Corporation GO-480-F3B6 ([TCDS E-275](https://openairdocs.org/tcds/E-275))
- Textron Lycoming AVCO Corporation GO-480-F4B6 ([TCDS E-275](https://openairdocs.org/tcds/E-275))
- Textron Lycoming AVCO Corporation GO-480-F6 ([TCDS E-275](https://openairdocs.org/tcds/E-275))

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