{"id":"S85002799","label":"Airplanes--Control systems","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85002799","normalized_label":"airplanes--control systems","broader":["http://id.loc.gov/authorities/subjects/sh85049111"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85002799","provider":"lcsh","revision":"1fb03117e7a577ce","taxonomy_revision":"f050b5d4780b1289","title":"Airplanes--Control systems","url":"/topics/S85002799","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"9550036941471367680","address_version":"morton4x16-v1","coordinates":[0,20,17448,48128],"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}