Marabou stork of any landbird, to rival the Andean condor; more typically, however, these storks measure across the wings, which is about a foot less than the average Andean condor wingspan and nearly two feet less than the average of the largest albatrosses and pelicans. Typical weight is , unusually as low as , and length (from bill to tail) is . Females are smaller than males. Bill length can range from . Unlike most storks, the three "Leptoptilos" species fly with the neck retracted like a heron. The marabou is unmistakable due to its size, bare head and neck, black back,
IAE VUT Marabou made on 29 April 2010. In addition to its control development programme, the Marabou has test flown a single small turbojet engine, the 1.0 kN (225 lb) PBS Velká Biteš TJ-100M, mounted on a short pylon above the port wing at the outer end of the centre section. Its fuel is carried in a separate centre section tank. IAE VUT Marabou The IAE VUT Marabou was built as a piloted test vehicle to develop autonomous control of unmanned aerial vehicles (UAVs) flying in civil airspace. Czech-designed and constructed, it first flew in April 2010. The Marabou () was designed and