Tailnumber LX-UCL
- manufactor Grob
- wingspan 18 m
- class Biplace
- glide_ratio 40 (90 km/h)
- weight 400 kg
- max weight 600 kg
- max speed 280 km/h
The Twin-Astir III SL (Self Launch) is a double-seater with a retractable engine behind the cockpit that is used for flight or can be started in flight so that it can return to its aerodrome in case the natural engine does not work anymore.