{"as_of":"2026-11-12","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Design","items":[{"count":1,"name":"Oklahoma State University","note":"","unit":"aircraft on the register","url":"https://eflight.com/makers/oklahoma-state-university"}],"relation":"is a"},{"group":"Owner","items":[{"count":28,"name":"Oklahoma State University","note":"","unit":"aircraft in the fleet","url":"https://eflight.com/fleets/oklahoma-state-university"}],"relation":"owned by"},{"group":"Place","items":[{"count":87,"name":"Stillwater, OK","note":"","unit":"aircraft registered in this town","url":""},{"count":null,"name":"Stillwater Regional","note":"SWO","unit":"","url":"https://eflight.com/airports/SWO"},{"count":5659,"name":"Oklahoma","note":"","unit":"aircraft registered","url":"https://eflight.com/states/OK"}],"relation":"registered in"},{"group":"Record","items":[{"count":null,"name":"No NTSB accident or incident record under this tail number","note":"","unit":"","url":"https://eflight.com/aircraft/N538UA#records-check"}],"relation":"involved in"},{"group":"Airworthiness","items":[{"count":null,"name":"Report filed on this aircraft: Actuator, leaking","note":"2014-05-26","unit":"","url":"https://eflight.com/systems/engine"},{"count":null,"name":"Report filed on this aircraft: Actuator, leaking","note":"2014-05-26","unit":"","url":"https://eflight.com/systems/engine"},{"count":null,"name":"Report filed on this aircraft: Door, not closed","note":"2014-04-10","unit":"","url":"https://eflight.com/systems/structure"}],"relation":"subject to"}],"graph":"https://eflight.com/graph","graph_index":"https://eflight.com/graph/index.json","license":"https://creativecommons.org/licenses/by/4.0/","node":{"built_of":null,"id":"N538UA","maker":"Oklahoma State University","model":"TURBO ELECTRIC MUGIN","name":"Oklahoma State University TURBO ELECTRIC MUGIN N538UA","state":"OK","type":"aircraft","url":"https://eflight.com/aircraft/N538UA","year_built":null},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}