Dietrich DP I Sperber |

| Type | WerkNr. | Registration | History |
| DP I | 1 |
| Type | Two seat sportplane |
| Engine | 1 Gnôme (70 hp) |
| Dimensions | Length 5.90 m, height 2.35 m, span 6.20 m, wing area 14.0 m2, aspect ratio 2.7 |
| Weights | Empty 360 kg, fuel 70 kg, oil 10 kg, load 200 kg, flying weight 550 kg, wing loading 39.30 kg/m2 |
| Performance | Max. speed 140 km/h, cruising speed 120 km/h, climb 3.3 m/sec, to 1000 m 5 min (2-seated 7 min), service ceiling 3800 m (2-seated 3400 m),range 400 km, landing speed 65 km/h, required runway 70 m for starting, 40 m for landing |