# STC SE7491SW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Air Repair, United States
- Description: Install Scintilla VNM-7DFA magnetos on W-670-6A and -6N engines.
- Status date: May 16, 1989
- Product: Engine
- Certification basis: Part 21
- Data sheets: [TCDS E-162](https://openairdocs.org/tcds/E-162)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/3CF8EE148E85E05E85256CC2005C2D1E.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SE7491SW

## ADs that name it (0)

None.

## Approved models (1)

- Teledyne Continental Motors W670 Series ([TCDS E-162](https://openairdocs.org/tcds/E-162))

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