# STC SE738NE

- 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 E-286](https://openairdocs.org/tcds/E-286)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/FADB010A681ACA1185256CCB00601985.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SE738NE

## ADs that name it (0)

None.

## Approved models (3)

- Textron Lycoming AVCO Corporation O-360-A3A ([TCDS E-286](https://openairdocs.org/tcds/E-286))
- Textron Lycoming AVCO Corporation O-360-A4A ([TCDS E-286](https://openairdocs.org/tcds/E-286))
- Textron Lycoming AVCO Corporation O-360-A4M ([TCDS E-286](https://openairdocs.org/tcds/E-286))

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