{"as_of":"2026-10-29","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Design","items":[{"count":1,"name":"Keim Midget Mustang","note":"","unit":"aircraft on the register","url":"https://eflight.com/makers/keim-midget-mustang"}],"relation":"is a"},{"group":"Engine","items":[{"count":42,"name":"Continental IO-200","note":"115 hp","unit":"aircraft with this engine series","url":"https://eflight.com/engines/continental-io-200"}],"relation":"powered by"},{"group":"Place","items":[{"count":17,"name":"Hesston, KS","note":"","unit":"aircraft registered in this town","url":""},{"count":5732,"name":"Kansas","note":"","unit":"aircraft registered","url":"https://eflight.com/states/KS"}],"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/N121K#records-check"}],"relation":"involved in"},{"group":"Live","items":[{"count":null,"name":"Where N121K is now","note":"","unit":"","url":"https://eflight.com/live?q=N121K"}],"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":"N121K","maker":"Keim Midget Mustang","model":"M-1","name":"Keim Midget Mustang M-1 N121K","state":"KS","type":"aircraft","url":"https://eflight.com/aircraft/N121K","year_built":1972},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}