{"id":"S85106543","label":"Pressure pattern flying","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85106543","normalized_label":"pressure pattern flying","broader":["http://id.loc.gov/authorities/subjects/sh85084359","http://id.loc.gov/authorities/subjects/sh85090433","http://id.loc.gov/authorities/subjects/sh85146948"],"aliases":["Aerologation","Bellamy system","Single heading flying"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85106543","provider":"lcsh","revision":"98b0ca8c1abd56c9","taxonomy_revision":"f050b5d4780b1289","title":"Pressure pattern flying","url":"/topics/S85106543","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"9550103187114313220","address_version":"morton4x16-v1","coordinates":[0,20,19069,48128],"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}