icon07:57 RC-Videos Let L-23 Super Blanik | Oldtimer weekend 2021 | 4K Aviation_CZ2 Jahren ago 1 Jahr ago Glider Let L-23 Super Blanik reg. OK-5550. With live ATC radiocommunication. Oldtimer weekend 2021. Airport Brno Medlanky LKCM CZ, 1... 01.7K