{"id":"S2004001253","label":"Airplanes--Monitoring","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2004001253","normalized_label":"airplanes--monitoring","broader":[],"aliases":["Airplanes--Condition monitoring","Condition monitoring of airplanes","Monitoring of airplanes"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2004001253","provider":"lcsh","revision":"c7b44ab5ef149434","taxonomy_revision":"f050b5d4780b1289","title":"Airplanes--Monitoring","url":"/topics/S2004001253","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"14125619681196910150","address_version":"morton4x16-v1","coordinates":[0,477,51847,37888],"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}