# STC SA1683CE

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Collins Aviation Service, United States
- Description: Installation of Collins AP-106 autopilot system with various flight director systems.
- Status date: October 21, 1981
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A8SW](https://openairdocs.org/tcds/A8SW)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/0EDDD15E5AD719D085256CC10083CEC2.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA1683CE

## ADs that name it (0)

None.

## Approved models (1)

- Fairchild Aircraft Corporation SA227-AC (C-26A) ([TCDS A8SW](https://openairdocs.org/tcds/A8SW))

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.