{"id":"S89002995","label":"Airport slot allocation","description":"Here are entered works on the systems used to distribute available time to airlines for arrival and departure of aircraft at airports. Listings of planned flight times into and out of airports are entered under [Airlines--Timetables.]","source_url":"https://id.loc.gov/authorities/subjects/sh89002995","normalized_label":"airport slot allocation","broader":["http://id.loc.gov/authorities/subjects/sh85113168"],"aliases":["Allocation of airport slots","Slot allocation, Airport","Slots, Airport"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh89002995","provider":"lcsh","revision":"793d71fb7e205afa","taxonomy_revision":"f050b5d4780b1289","title":"Airport slot allocation","url":"/topics/S89002995","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"9819192989967337030","address_version":"morton4x16-v1","coordinates":[0,21,14415,52224],"answer_status":"Directory metadata; local answer requires separate source review","truth_status":"Subject descriptor, not a factual answer or a demonstrated knowledge gap","reviewed_answer":null}