icon10:30 RC-Videos Pilatus B4 | giant scale RC glider | 4K | Letovice 2021 Aviation_CZ2 Jahren ago 1 Jahr ago Scale RC glider Pilatus B4, wingspan 4,5m/177in, weight 14kg/31lb. Pilot Antonin Masnegl. RC model airshow Letovice 2021. Airport Le... 03.1K