# STC SA518GL

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: ROGER NELSON, United States
- Description: INSTALL LYCOMING 0-290-D ENGINE W/SENSENICH M74 DM PROPELLER.
- Applied: September 16, 1980
- Status date: April 25, 1988
- Product: Engine, Single-Engine
- Data sheets: [TCDS A-759](https://openairdocs.org/tcds/A-759)
- Certificate PDF: https://openairdocs.org/files/sha256/e0/2d/e02da966f799ce7fa060ac90e2ceab51b21775cc3c8766454338f8615024a574
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID119489780820230105224415.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA518GL

## ADs that name it (0)

None.

## Approved models (1)

- American Champion Aircraft Corp. 7AC ([TCDS A-759](https://openairdocs.org/tcds/A-759))

## What the certificate says

The certificate is a scan without a text layer; open the PDF to read it.

## Every issue (1)

- April 25, 1988: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/e0/2d/e02da966f799ce7fa060ac90e2ceab51b21775cc3c8766454338f8615024a574)

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