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 to be operated safely in civil rôles and airspace. The Marabou is a mid-wing, pod-and-boom style, tandem two-seat aircraft with a pusher configuration single engine and a T-tail. The wings are trapezoidal and with 6° of dihedral outboard of a brief, constant chord centre section, terminating in winglets. They carry rod actuated ailerons and electrically powered Fowler flaps. The fin and unbalanced, tab-assisted rudder are swept and the tapered tailplane carries a single-piece tapered elevator. All manual controls are integrated in the UAV's own control drives. The outer wing panels and horizontal tail are metal structures; the wing centre section