{"as_of":"2026-11-12","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Design","items":[{"count":657,"name":"Waco","note":"","unit":"aircraft on the register","url":"https://eflight.com/makers/waco"}],"relation":"is a"},{"group":"Engine","items":[{"count":34,"name":"Jacobs R-755A2M","note":"300 hp","unit":"aircraft with this engine series","url":"https://eflight.com/engines/jacobs-r-755a2m"}],"relation":"powered by"},{"group":"Place","items":[{"count":8,"name":"Johnson City, TX","note":"","unit":"aircraft registered in this town","url":""},{"count":29986,"name":"Texas","note":"","unit":"aircraft registered","url":"https://eflight.com/states/TX"}],"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/N661JK#records-check"}],"relation":"involved in"},{"group":"Live","items":[{"count":null,"name":"Where N661JK is now","note":"","unit":"","url":"https://eflight.com/live?q=N661JK"}],"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":"N661JK","maker":"Waco","model":"YMF-5C","name":"Waco YMF-5C N661JK","state":"TX","type":"aircraft","url":"https://eflight.com/aircraft/N661JK","year_built":2024},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}