#airfield__landing_field__landingfield__flying_field__field  a place where planes take off and land
  supertype:  #installation__facility  a building or place that provides a particular service or is used for a particular industry; "the assembly plant is an enormous facility"
  subtype:  #airport  #airstrip  #auxiliary_airfield
  part of:  #transportation_system
  part:  #apron.paved_surface  a paved surface where aircraft stand while not being used
  part:  #runway  a strip of level paved surface where planes can take off and land
  part:  #taxiway__taxi_strip  a paved surface in the form of a strip; used by planes taxiing to or from the runway at an airport
  part:  #flight_line  place where airplanes are parked and the maintenance hangars (but not the runways or taxiways)

30 statements are about indirect instances of #airfield: BA#graph1_on_BA2053, FJ#graph1_on_FJ810_1, FJ#graph1_on_FJ810_2, FJ#graph1_on_FJ811_1, FJ#graph1_on_FJ811_2, qantas#graph1_on_QIF3019, qantas#graph1_on_QIF3020, qantas#graph1_on_QIF3021, qantas#graph1_on_QIF3022, qantas#graph1_on_QIF3025_1, qantas#graph1_on_QIF3025_2, qantas#graph1_on_QIF3026_1, qantas#graph1_on_QIF3026_2, qantas#graph1_on_QIF3041, qantas#graph1_on_QIF3042, qantas#graph1_on_QIF3051, qantas#graph1_on_QIF3052, qantas#graph1_on_QIF3057, qantas#graph1_on_QIF3061, qantas#graph1_on_QIF3062, qantas#graph1_on_QIF3718, qantas#graph1_on_QIF123_1, qantas#graph1_on_QIF123_2, qantas#graph1_on_QIF124, qantas#graph1_on_QIF139, qantas#graph1_on_QIF140, qantas#graph1_on_QIF174, qantas#graph1_on_QIF67_1, qantas#graph1_on_QIF67_2__graph1onqif672, qantas#graph1_on_QIF68
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