{"id":"S85002813","label":"Airplanes--Flight testing","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85002813","normalized_label":"airplanes--flight testing","broader":["http://id.loc.gov/authorities/subjects/sh2007002630"],"aliases":["Flight testing of airplanes"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85002813","provider":"lcsh","revision":"3ee115cc4347ca5a","taxonomy_revision":"f050b5d4780b1289","title":"Airplanes--Flight testing","url":"/topics/S85002813","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"10126356956286435840","address_version":"morton4x16-v1","coordinates":[0,20,17448,62464],"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}