{"as_of":"2026-10-26","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Design","items":[{"count":29,"name":"Spartan","note":"","unit":"aircraft on the register","url":"https://eflight.com/makers/spartan"}],"relation":"is a"},{"group":"Engine","items":[{"count":4,"name":"Jacobs L3","note":"55 hp","unit":"aircraft with this engine series","url":"https://eflight.com/engines/jacobs-l3"}],"relation":"powered by"},{"group":"Place","items":[{"count":72,"name":"Ottumwa, IA","note":"","unit":"aircraft registered in this town","url":""},{"count":null,"name":"Ottumwa Regional","note":"OTM","unit":"","url":"https://eflight.com/airports/OTM"},{"count":4504,"name":"Iowa","note":"","unit":"aircraft registered","url":"https://eflight.com/states/IA"}],"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/N11904#records-check"}],"relation":"involved in"},{"group":"Live","items":[{"count":null,"name":"Where N11904 is now","note":"","unit":"","url":"https://eflight.com/live?q=N11904"}],"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":"N11904","maker":"Spartan","model":"C2-60","name":"Spartan C2-60 N11904","state":"IA","type":"aircraft","url":"https://eflight.com/aircraft/N11904","year_built":1931},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}