German two-seat glider.

Function: designed primarily for beginner instruction, trainer

Manufacturer: Grob Aircraft

Produced: 1976 –

Wingspan: 17,5 m

Lenght: 8,1 m

Gross weight: 650 kg

Max. speed: 250 km/h

Glide ratio: 38

Grob G103 Twin Astir, reg. OK-4646