gear 8.9 t) Engines: 2 x Pratt & Whitney PT6A-67R Output per engine: 1,281 HP Fuel consumption: 570 litres / hour Max. take-off weight: 13 t Max. take-off elevation without payload: 4,200 metres Range without [...] kilometres Range with 1,000 kg payload: 2,300 kilometres Max. cruising speed: 315 kilometres / hour (Indicated Air Speed, IAS) Min. cruising speed : 167 kilometres / hour Crew: 2 pilots, 1 mechanic Researchers [...] on the purpose of the respective flight, equipment is supplemented or supplanted. One example is the so-called EM-Bird. The torpedo-like device is used to measure the sea-ice thickness in the polar regions