{"id":"S85060017","label":"Helicopters--Landing","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85060017","normalized_label":"helicopters--landing","broader":["http://id.loc.gov/authorities/subjects/sh85060021"],"aliases":["Landing of helicopters"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85060017","provider":"lcsh","revision":"150db45d8c319008","taxonomy_revision":"f050b5d4780b1289","title":"Helicopters--Landing","url":"/topics/S85060017","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"10088076652585289280","address_version":"morton4x16-v1","coordinates":[0,20,18342,50176],"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}