The D-4811 is the second Grob G102 Astir CS 77 in the club and the sister of the D-2901. Both Astirs are identical and differ only in very few details. This Astir here is for example equipped with tanks for water ballast which are located in the wing structure. Otherwise, the field of use are identical to our first aircraft of the same type.
| Registration | D-4811 |
| Manufacturer | Grob Aircraft (Germany) |
| Year of production | 1977 |
| Empty mass | 280 kg |
| Spanwidth | 15,00 m |
| Wing area | 12,40 m² |
| best gliding ratio | 37 (at 95 km/h) |
| lowest sink rate | 0,60 m/s (at 75 km/h) |
| min. air speed | 60 km/h |
| max. air speed | 250 km/h |