# STC SA199EA

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Avionics, Inc, United States
- Description: Installation of Tactair T-3 auto- pilot and optional installation of Tactair AH-1 altitude hold device(for use with Tactair T-3 autopilot).
- Status date: August 7, 1972
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 3A24](https://openairdocs.org/tcds/3A24)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/2AA53ADE488D4B4185256CC10083D3F8.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA199EA

## ADs that name it (0)

None.

## Approved models (1)

- The Cessna Aircraft Company 185B ([TCDS 3A24](https://openairdocs.org/tcds/3A24))

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