Arup S-3
| S-3 | |
|---|---|
| Role | Experimental aircraft |
| National origin | United States of America |
| Manufacturer | Arup Manufacturing Corporation |
| Designer | Ralph Gaighen, Cloyd L. Snyder |
| First flight | 15 July 1934 |
| Number built | 1 |
| Developed from | Arup S-2 |
| Developed into | Arup S-4 |
The Arup S-3 was the third in a series of low aspect ratio aircraft developed by Dr. Snyder of South Bend, Indiana.