Marabou stork was moved into the genus "Leptoptilos" and the ending was modified to "crumeniferus" and used by many authors until it was noted that the correct masculine ending to match the genus is "crumenifer". The marabou stork is a massive bird: large specimens are thought to reach a height of and a weight of . A wingspan of was accepted by Fisher and Peterson, who ranked the species as having the largest wing-spread of any living bird. Even higher measurements of up to have been reported, although no measurement over has been verified. It is often credited with the largest spread
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