# STC SA5812NM

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Heyer Gary L., United States
- Description: Installation of a Lycoming GO-480-G1D6 engine.  Limited to installation on serial number NAV-4-2258B ONLY.
- Applied: August 3, 1988
- Status date: June 19, 1992
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A-782](https://openairdocs.org/tcds/A-782)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/EF37596DA89A45DE86256E6E0067BFCE.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA5812NM

## ADs that name it (0)

None.

## Approved models (1)

- Navion Aircraft Company Ltd. Navion B ([TCDS A-782](https://openairdocs.org/tcds/A-782))

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