{"as_of":"2026-10-30","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Design","items":[{"count":12,"name":"Pietenpol","note":"","unit":"aircraft on the register","url":"https://eflight.com/makers/pietenpol"}],"relation":"is a"},{"group":"Engine","items":[{"count":66,"name":"Ford (converted) CONVERSION","note":"60 hp","unit":"aircraft with this engine series","url":"https://eflight.com/engines/ford-converted-conversion"}],"relation":"powered by"},{"group":"Owner","items":[{"count":6,"name":"Alfred & Lois Kelch Aviation Museum INC","note":"","unit":"aircraft in the fleet","url":"https://eflight.com/fleets/alfred-lois-kelch-aviation-museum-inc"}],"relation":"owned by"},{"group":"Place","items":[{"count":53,"name":"Brodhead, WI","note":"","unit":"aircraft registered in this town","url":""},{"count":null,"name":"Brodhead Airport","note":"C37","unit":"","url":"https://eflight.com/airports/C37"},{"count":6164,"name":"Wisconsin","note":"","unit":"aircraft registered","url":"https://eflight.com/states/WI"}],"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/N18224#records-check"}],"relation":"involved in"},{"group":"Live","items":[{"count":null,"name":"Where N18224 is now","note":"","unit":"","url":"https://eflight.com/live?q=N18224"}],"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":"N18224","maker":"Pietenpol","model":"LS","name":"Pietenpol LS N18224","state":"WI","type":"aircraft","url":"https://eflight.com/aircraft/N18224","year_built":1937},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}