# STC SA00801WI

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Garmin International Inc, United States
- Description: Installation of GARMIN GNC 420 or GNC 420A.
- Status date: July 24, 2002
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A3SO](https://openairdocs.org/tcds/A3SO)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/5CE359CBFEF0F17285256CC1007E014F.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA00801WI

## ADs that name it (0)

None.

## Approved models (1)

- The New Piper Aircraft Inc. PA-32-260 ([TCDS A3SO](https://openairdocs.org/tcds/A3SO))

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