# STC SE400NE

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Raymond Ives, United States
- Description: Installation of Auto-vac-2 instrument vacuum system.
- Status date: March 26, 1990
- Product: Engine
- Certification basis: Part 21
- Data sheets: [TCDS E5CE](https://openairdocs.org/tcds/E5CE)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/0E23C40D5ADF137485256CCB0060197B.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SE400NE

## ADs that name it (0)

None.

## Approved models (8)

- Teledyne Continental Motors IO-520-A ([TCDS E5CE](https://openairdocs.org/tcds/E5CE))
- 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))
- Teledyne Continental Motors IO-520-D ([TCDS E5CE](https://openairdocs.org/tcds/E5CE))
- Teledyne Continental Motors IO-520-F ([TCDS E5CE](https://openairdocs.org/tcds/E5CE))
- Teledyne Continental Motors IO-520-J ([TCDS E5CE](https://openairdocs.org/tcds/E5CE))
- Teledyne Continental Motors IO-520-L ([TCDS E5CE](https://openairdocs.org/tcds/E5CE))

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.