# STC SA1-27

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Avionics, Inc, United States
- Description: Installation of Tactair T-3 auto-matic pilot and optional installation of Tactair AH-1 altitude hold device (for use with Tactair T-3autopilot).
- Status date: August 7, 1972
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 3A15](https://openairdocs.org/tcds/3A15), [TCDS A-777](https://openairdocs.org/tcds/A-777)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/A78CF41E5B3F6C9085256CC1007F3BDC.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA1-27

## ADs that name it (0)

None.

## Approved models (12)

- Raytheon Aircraft Company 35R ([TCDS A-777](https://openairdocs.org/tcds/A-777))
- Raytheon Aircraft Company A35 ([TCDS A-777](https://openairdocs.org/tcds/A-777))
- Raytheon Aircraft Company B35 ([TCDS A-777](https://openairdocs.org/tcds/A-777))
- Raytheon Aircraft Company C35 ([TCDS A-777](https://openairdocs.org/tcds/A-777))
- Raytheon Aircraft Company D35 ([TCDS A-777](https://openairdocs.org/tcds/A-777))
- Raytheon Aircraft Company E35 ([TCDS A-777](https://openairdocs.org/tcds/A-777))
- Raytheon Aircraft Company F35 ([TCDS A-777](https://openairdocs.org/tcds/A-777))
- Raytheon Aircraft Company G35 ([TCDS A-777](https://openairdocs.org/tcds/A-777))
- Raytheon Aircraft Company H35 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Raytheon Aircraft Company J35 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Raytheon Aircraft Company K35 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Raytheon Aircraft Company M35 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))

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