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| Manufacturer | Dornier |
| Model | GS.I(II) |
| Modification | GS.I |
| Country | Germany |
| Years | 19 |
| Type | Flying boat |
| Main rotor diameter | - |
| Tail rotor diameter | - |
| Wingspan | 21.00 m |
| Length | 15.30 m |
| Height | 4.70 m |
| Wing area | 80.00 m2 |
| Zero fuel weight | - |
| Empty weight | 1200 kg |
| Maximum takeoff weight | 4315 kg |
| Normal takeoff weight | - |
| Flight duration | - |
| Engine | 2 Maybach Mb.IV |
| Power | 2 x 270 HP |
| Thrust | - |
| Maximum speed | 170 km/h |
| Cruising speed | 140 km/h |
| Rate of climb | - |
| Practical range | 600 km |
| Service ceiling | 4250 m |
| Hovering ceiling | - |
| Crew | 2 |
