{"as_of":"2026-11-02","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Design","items":[{"count":1,"name":"Duff Philip T","note":"","unit":"aircraft on the register","url":"https://eflight.com/makers/duff-philip-t"}],"relation":"is a"},{"group":"Engine","items":[{"count":54,"name":"AeroVee 2180","note":"80 hp","unit":"aircraft with this engine series","url":"https://eflight.com/engines/aerovee-2180"}],"relation":"powered by"},{"group":"Place","items":[{"count":12,"name":"Butler, MO","note":"","unit":"aircraft registered in this town","url":""},{"count":null,"name":"Butler Memorial","note":"BUM","unit":"","url":"https://eflight.com/airports/BUM"},{"count":5814,"name":"Missouri","note":"","unit":"aircraft registered","url":"https://eflight.com/states/MO"}],"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/N535PD#records-check"}],"relation":"involved in"},{"group":"Live","items":[{"count":null,"name":"Where N535PD is now","note":"","unit":"","url":"https://eflight.com/live?q=N535PD"}],"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":"N535PD","maker":"Duff Philip T","model":"SONEX","name":"Duff Philip T SONEX N535PD","state":"MO","type":"aircraft","url":"https://eflight.com/aircraft/N535PD","year_built":2006},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}