# STC SA09454AC-D

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: S-TEC Corporation, United States
- Description: Installationo f S-TEC System 40X/50X Single and Two Axis Automatic Flight Guidance Systems, Model ST-791-40X/50X
- Status date: June 5, 2000
- 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/C48D79F2B498669985256CC1007F3B13.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA09454AC-D

## ADs that name it (0)

None.

## Approved models (3)

- The New Piper Aircraft Inc. PA-32-260 ([TCDS A3SO](https://openairdocs.org/tcds/A3SO))
- The New Piper Aircraft Inc. PA-32-300 ([TCDS A3SO](https://openairdocs.org/tcds/A3SO))
- The New Piper Aircraft Inc. PA-32R-300 ([TCDS A3SO](https://openairdocs.org/tcds/A3SO))

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