# STC SA1-453

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Avionics, Inc, United States
- Description: Installation of Tactair T-3 auto matic pilot and optional installa tion of Tactain AH-1 altitude hold device (for use with Tactair T-3autopilot).
- Status date: August 7, 1972
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 5A4](https://openairdocs.org/tcds/5A4)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/C642E90D5CCAB1A485256CC10080DB57.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA1-453

## ADs that name it (0)

None.

## Approved models (7)

- Raytheon Aircraft Company D50 (L-23E) ([TCDS 5A4](https://openairdocs.org/tcds/5A4))
- Raytheon Aircraft Company D50A ([TCDS 5A4](https://openairdocs.org/tcds/5A4))
- Raytheon Aircraft Company D50C ([TCDS 5A4](https://openairdocs.org/tcds/5A4))
- Raytheon Aircraft Company E50 ([TCDS 5A4](https://openairdocs.org/tcds/5A4))
- Raytheon Aircraft Company F50 ([TCDS 5A4](https://openairdocs.org/tcds/5A4))
- Raytheon Aircraft Company G50 ([TCDS 5A4](https://openairdocs.org/tcds/5A4))
- Raytheon Aircraft Company H50 ([TCDS 5A4](https://openairdocs.org/tcds/5A4))

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