# STC SE739NE

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Raymond Ives, United States
- Description: Installation of 'Auto-Vac-4' primary vacuum system.
- Status date: April 10, 1990
- Product: Engine
- Certification basis: Part 21
- Data sheets: [TCDS 1E10](https://openairdocs.org/tcds/1E10)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/E36FE60CA06F66B685256CCB00601986.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SE739NE

## ADs that name it (0)

None.

## Approved models (3)

- Textron Lycoming AVCO Corporation IO-360-B1E ([TCDS 1E10](https://openairdocs.org/tcds/1E10))
- Textron Lycoming AVCO Corporation IO-360-C1C ([TCDS 1E10](https://openairdocs.org/tcds/1E10))
- Textron Lycoming AVCO Corporation IO-360-C1C6 ([TCDS 1E10](https://openairdocs.org/tcds/1E10))

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