{"as_of":"2026-11-13","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Design","items":[{"count":1,"name":"Katz Jerry L","note":"","unit":"aircraft on the register","url":"https://eflight.com/makers/katz-jerry-l"}],"relation":"is a"},{"group":"Engine","items":[{"count":72,"name":"Rotax 503DCSI","note":"52 hp","unit":"aircraft with this engine series","url":"https://eflight.com/engines/rotax-503dcsi"}],"relation":"powered by"},{"group":"Place","items":[{"count":44,"name":"Effingham, IL","note":"","unit":"aircraft registered in this town","url":""},{"count":null,"name":"Effingham County Regional","note":"1H2","unit":"","url":"https://eflight.com/airports/1H2"},{"count":8070,"name":"Illinois","note":"","unit":"aircraft registered","url":"https://eflight.com/states/IL"}],"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/N739K#records-check"}],"relation":"involved in"},{"group":"Live","items":[{"count":null,"name":"Where N739K is now","note":"","unit":"","url":"https://eflight.com/live?q=N739K"}],"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":"N739K","maker":"Katz Jerry L","model":"CHALLENGER II","name":"Katz Jerry L CHALLENGER II N739K","state":"IL","type":"aircraft","url":"https://eflight.com/aircraft/N739K","year_built":2006},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}