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| S.I | |
|---|---|
| |
| Role | Ground attack aircraft |
| Manufacturer | AGO Flugzeugwerke |
| Number built | 2 |
The AGO S.I was a German prototype ground-attack aircraft built in October 1918 but possibly never flown before the end of World War I. It was a single-seat biplane armed with a downwards-firing 20 mm cannon.
