# STC SA1121CE

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Collins Radio Group, United States
- Description: Installation of Collins Radio Group AP-107 (2 axis) autopilot system.
- Status date: July 1, 1976
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A7CE](https://openairdocs.org/tcds/A7CE)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/23079699DCC69DF885256CC10080DE5B.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA1121CE

## ADs that name it (0)

None.

## Approved models (1)

- The Cessna Aircraft Company 421C ([TCDS A7CE](https://openairdocs.org/tcds/A7CE))

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