{"id":"S85001321","label":"Aircraft accidents--Investigation","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85001321","normalized_label":"aircraft accidents--investigation","broader":["http://id.loc.gov/authorities/subjects/sh85000370"],"aliases":["Aeronautics--Accident investigation","Aircraft accident investigation"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85001321","provider":"lcsh","revision":"281cbf1851f70f5f","taxonomy_revision":"f050b5d4780b1289","title":"Aircraft accidents--Investigation","url":"/topics/S85001321","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"9547644404165378564","address_version":"morton4x16-v1","coordinates":[0,20,17425,41984],"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}