# STC SE680NE

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Raymond Ives, United States
- Description: Installation of Auto-Vac-4 primary vacuum system.
- Status date: June 18, 1990
- Product: Engine
- Certification basis: Part 21
- Data sheets: [TCDS E5CE](https://openairdocs.org/tcds/E5CE)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/D816246A2C7CC5F085256CCB00601983.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SE680NE

## ADs that name it (0)

None.

## Approved models (3)

- Teledyne Continental Motors IO-520-B ([TCDS E5CE](https://openairdocs.org/tcds/E5CE))
- Teledyne Continental Motors IO-520-BA ([TCDS E5CE](https://openairdocs.org/tcds/E5CE))
- Teledyne Continental Motors IO-520-BB ([TCDS E5CE](https://openairdocs.org/tcds/E5CE))

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