#aircraft_landing__airplane_landing  landing an aircraft
  supertype:  landing.arrival  the act of coming down to the earth (or other surface); "the plane made a smooth landing"; "his landing on his feet was catlike"
  subtype:  forced_landing__emergency_landing__emergencylanding  an unscheduled airplane landing that is made under circumstances (engine failure or adverse weather) not under the pilot's control
     subtype:  crash_landing__crashlanding  an emergency landing under circumstances where a normal landing is impossible (usually damaging the aircraft)
  subtype:  ground-controlled_approach__GCA  aircraft landing in bad weather in which the pilot is talked down by ground control using precision approach radar
  subtype:  three-point_landing__threepointlanding  a landing in which all three wheels of the aircraft touch the ground at the same time
  subtype:  instrument_landing  an aircraft landing made entirely by means of instruments

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