# STC SA283AL

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Bachner's Aircraft Service, United States
- Description: Installation of Hartzell HC 82XL-1, -2, or -6 propeller hub with 7636D-4 blades or HC-C2YL-1B hub with 76634 blades and appropriate Woodward governor.
- Status date: July 22, 1969
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A-759](https://openairdocs.org/tcds/A-759)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/A322D2AE16B445D085256CC20008C9DE.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA283AL

## ADs that name it (0)

None.

## Approved models (3)

- American Champion Aircraft Corp. 7GCA ([TCDS A-759](https://openairdocs.org/tcds/A-759))
- American Champion Aircraft Corp. 7GCB ([TCDS A-759](https://openairdocs.org/tcds/A-759))
- American Champion Aircraft Corp. 7GCBC ([TCDS A-759](https://openairdocs.org/tcds/A-759))

---
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.