{"as_of":"2026-11-12","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Design","items":[{"count":12,"name":"Quad City Ultralight","note":"","unit":"aircraft on the register","url":"https://eflight.com/makers/quad-city-ultralight"}],"relation":"is a"},{"group":"Engine","items":[{"count":24,"name":"Rotax 503UL","note":"52 hp","unit":"aircraft with this engine series","url":"https://eflight.com/engines/rotax-503ul"}],"relation":"powered by"},{"group":"Place","items":[{"count":136,"name":"Fayetteville, AR","note":"","unit":"aircraft registered in this town","url":""},{"count":null,"name":"Drake Field","note":"FYV","unit":"","url":"https://eflight.com/airports/FYV"},{"count":3493,"name":"Arkansas","note":"","unit":"aircraft registered","url":"https://eflight.com/states/AR"}],"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/N4854K#records-check"}],"relation":"involved in"},{"group":"Live","items":[{"count":null,"name":"Where N4854K is now","note":"","unit":"","url":"https://eflight.com/live?q=N4854K"}],"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":"N4854K","maker":"Quad City Ultralight","model":"CHALLENGER II LW","name":"Quad City Ultralight CHALLENGER II LW N4854K","state":"AR","type":"aircraft","url":"https://eflight.com/aircraft/N4854K","year_built":2005},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}