Swiss single-seat aerobatic sailplane.

Function: standard class

Manufacturer: Pilatus

Produced: 1972 – 1980

Wingspan: 15 m

Lenght: 6,57 m

Max. takeoff weight: 350 kg

Max. speed: 240 km/h

Glide ratio: 35

Pilatus B4, reg. OK-0833, Sky Riders Aerobatics Team