# Magnetism of aircraft { "id": "S85079769", "title": "Magnetism of aircraft", "url": "/topics/S85079769", "kind": "topic-directory", "aeo_cohort": "topic-directory", "provider": "lcsh", "revision": "0d822f6f3a795f25", "catalogue_revision": "f050b5d4780b1289", "numeric_address": "900799091452559940", "address_version": "morton4x16-v1", "coordinates": [ 0, 20, 18651, 25600 ], "answer_status": "Directory metadata; local answer requires separate source review", "truth_status": "Subject descriptor, not a factual answer or a demonstrated knowledge gap" } Directory metadata is not a factual answer or evidence of a global knowledge gap. Source: https://id.loc.gov/authorities/subjects/sh85079769 No owner-reviewed local answer yet.