{"id":"S91002162","label":"Low altitude aeronautics","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh91002162","normalized_label":"low altitude aeronautics","broader":["http://id.loc.gov/authorities/subjects/sh85001319"],"aliases":["Low flying aeronautics"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh91002162","provider":"lcsh","revision":"b040467541130546","taxonomy_revision":"f050b5d4780b1289","title":"Low altitude aeronautics","url":"/topics/S91002162","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"14430800118435677698","address_version":"morton4x16-v1","coordinates":[0,21,45652,51200],"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}