Grob G 109B vs Stemme S-12 Twin Voyager
Side-by-side aircraft model specifications (max across variants).
| Spec | Grob G 109B | Stemme S-12 Twin Voyager |
|---|---|---|
| ICAO type | G109 | S12S |
| MTOW | 800 kg | 900 kg |
| Range | 970 nm | 950 nm |
| Cruise speed | 103 kt | 120 kt |
| Service ceiling | 18,000 ft | 30,000 ft |
| Max seats | 2 | 2 |
| Length | 8 m | 8 m |
| Wingspan | 17 m | 25 m |
Grob G 109B
Stemme S-12 Twin Voyager