#heavier-than-air_craft  a non-buoyant aircraft that requires a source of power to hold it aloft and to propel it
  supertype:  #aircraft  a vehicle that can fly
  subtype:  #airplane__aeroplane__plane  an aircraft that has a fixed wing and is powered by propellers or jets; "the flight was delayed due to trouble with the airplane"
     subtype:  #airliner  a commercial airplane that carries passengers
        subtype:  #airbus  a subsonic jet airliner operated over short distances
        subtype:  #narrowbody_aircraft__narrowbody  a commercial airliner with a single aisle
        subtype:  #widebody_aircraft__widebody__twin-aisle_airplane  a commerical airliner with two aisles
     subtype:  #amphibious_aircraft__amphibian  an airplane designed to take off and land on water
     subtype:  #biplane  old fashioned airplane; has two wings one above the other
     subtype:  #bomber  a military aircraft that drops bombs during flight
        subtype:  #B-52  US military aircraft; B- stands for bomber
        subtype:  #dive_bomber  a bomber that releases its bombs during a steep dive toward the target
     subtype:  #fighter_aircraft__fighteraircraft__fighter__attackaircraft  a high-speed military or naval airplane designed to destroy enemy aircraft in the air
        subtype:  #interceptor  a fast maneuverable fighter plane designed to intercept enemy aircraft
        subtype:  #kamikaze  a fighter plane used for suicide missions by Japanese pilots in World War II
     subtype:  #hangar_queen  an airplane with a bad maintenance record
     subtype:  #jet-propelled_plane__jetpropelledplane__jet__jetplane  an airplane powered by one or more jet engines
        subtype:  #jumbojet__jumbo_jet__jumbojet  a very large jet plane
        subtype:  #twinjet  a jet plane propelled by two jet engines
     subtype:  #monoplane  an airplane with a single wing
     subtype:  #multiengine_airplane__multiengineairplane__multiengine_plane__multiengineplane  a plane with two or more engines
     subtype:  #propeller_plane__propellerplane  an airplane that is driven by a propeller
        subtype:  #double-prop__double-propeller_plane__twin-prop__twin-propeller-plane  a propeller plane with an engine that drives two propellers in opposite directions (for stability)
        subtype:  #propjet__turboprop__turbopropellerplane  an airplane with an external propeller that is driven by a turbojet engine
        subtype:  #single_prop__single-propeller_plane  an propeller plane with a single propeller
     subtype:  #seaplane__hydroplane  an airplane that can land on or take off from water; "the designer of marine aircraft demonstrated his newest hydroplane"
        subtype:  #floatplane__pontoon_plane__pontoonplane  a seaplane equipped with pontoons for landing or taking off from water
        subtype:  #flying_boat  a large seaplane that floats on the full rather than on pontoons
     subtype:  #ski-plane__skiplane  an airplane equipped with skis so it can land on a snowfield
     subtype:  #turbojet__turboprop  airplane powered by a turbojet engine
  subtype:  #autogiro__autogyro__gyroplane  an aircraft that is supported in flight by unpowered rotating horizontal wings (or blades); forward propulsion is provided by a conventional propeller
  subtype:  #pilotless_aircraft__pilotlessaircraft__drone__radio-controlled_aircraft  an aircraft without a pilot that is operated by remote control
  subtype:  #glider__sailplane  aircraft supported only by the dynamic action of air against its surfaces
     subtype:  #hang_glider  a glider resembling a large kite; the rider hangs from it while descending from a height
  subtype:  #helicopter__chopper__whirlybird__eggbeater  an aircraft without wings that obtains its lift from the rotation of overhead blades
     subtype:  #cargo_helicopter__cargohelicopter  a helicopter that carries cargo
     subtype:  #shuttle_helicopter__shuttlehelicopter  a helicopter that shuttles back and forth
     subtype:  #single-rotor_helicopter  a helicopter having a single rotor
     subtype:  #skyhook.helicopter  helicopter carrying a reel of steel cable that can be used to lift and transport heavy objects
  subtype:  #orthopter__ornithopter  heavier-than-air craft that is propelled by the flapping of wings

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