{"as_of":"2026-11-06","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Design","items":[{"count":1,"name":"Trubee Brian","note":"","unit":"aircraft on the register","url":"https://eflight.com/makers/trubee-brian"}],"relation":"is a"},{"group":"Engine","items":[{"count":26,"name":"Mazda 13B","note":"146 hp","unit":"aircraft with this engine series","url":"https://eflight.com/engines/mazda-13b"}],"relation":"powered by"},{"group":"Place","items":[{"count":55,"name":"Redmond, WA","note":"","unit":"aircraft registered in this town","url":""},{"count":10644,"name":"Washington","note":"","unit":"aircraft registered","url":"https://eflight.com/states/WA"}],"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/N52BT#records-check"}],"relation":"involved in"},{"group":"Live","items":[{"count":null,"name":"Where N52BT is now","note":"","unit":"","url":"https://eflight.com/live?q=N52BT"}],"relation":"seen at"}],"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":"N52BT","maker":"Trubee Brian","model":"RV-4","name":"Trubee Brian RV-4 N52BT","state":"WA","type":"aircraft","url":"https://eflight.com/aircraft/N52BT","year_built":2010},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}