{"id":"S85002798","label":"Airplanes--Control surfaces","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85002798","normalized_label":"airplanes--control surfaces","broader":["http://id.loc.gov/authorities/subjects/sh85001301","http://id.loc.gov/authorities/subjects/sh85002799"],"aliases":["Aerodynamic control of airplanes"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85002798","provider":"lcsh","revision":"9a39765164b8b5a7","taxonomy_revision":"f050b5d4780b1289","title":"Airplanes--Control surfaces","url":"/topics/S85002798","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"9550028145378345472","address_version":"morton4x16-v1","coordinates":[0,20,17448,47104],"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}