# STC SA4-617

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Queeny Edgar M, United States
- Description: A-12 automatic pilot.
- Status date: January 1, 1961
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: TCDS 785
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/3447F1A8757268C4862570D50078CA36.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA4-617

## ADs that name it (0)

None.

## Approved models (1)

- General Dynamics Corporation 28-5ACF (TCDS 785)

---
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.
