 The G109B aircraft is a low-wing cantilever motor glider, with a T-tail, folding (and detachable) wings, and side-by-side seating with dual controls.It is mainly constructed from glass-reinforced plastic and has a taildragger undercarriage arrangement.Entry and exit from the cockpit is via two perspex doors which open upwards individually – a modification from the original one-piece G109A canopy.