ACV aerodynamic aerodynamics air air-cushion air-cushion-vehicle air-pressure amphibious craft cushion drive engines fans flexible flexible-skirt flight friction high-air-pressure hovercraft hull hybrid-vessel impeller inflated inflated-skirt low-frictional-force MTV multi-terrain-vehicle multiple-terrain on-board pilot propel propellers rise sightseeing skirt skirted specialised-transport speed stationary surface surfaces thrust tourism tourists transport transporting travel travelling vehicle Accipitridae animal avian beak big bird Bird of prey Bird-of-prey Brahminy Kite brown carnivore carnivorous chestnut plumage claws close closeup diurnal raptor eagle eagle eye eye face falconry fast feather feathery fish fluffy fly green Haliastur indus hawk hunter hunting India keeyew kite krayker Look nature pet plumage predator prey razor sharp Red-backed Sea-eagle reflex sharp talons vision white wild wildlife winged wings young Incredible India desert jet plane Mexico sun blue heron feathers flying waterfowl wing bee cat catch hunt leap airplane business chart diagram graph report results statistics success beach bluesky day fence seagull sky