# STC SA3-28

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Keith Archie, United States
- Description: J.F. Hamilton modified wing tips.
- Status date: January 1, 1961
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A-769](https://openairdocs.org/tcds/A-769)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/A0C0FAACBA0A0669862570D600525379.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA3-28

## ADs that name it (0)

None.

## Approved models (1)

- Sky Enterprises Inc. RC-3 ([TCDS A-769](https://openairdocs.org/tcds/A-769))

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