{"as_of":"2026-11-02","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Design","items":[{"count":1,"name":"Clarence E Pennington","note":"","unit":"aircraft on the register","url":"https://eflight.com/makers/clarence-e-pennington"}],"relation":"is a"},{"group":"Engine","items":[{"count":161,"name":"Jabiru 3300A","note":"120 hp","unit":"aircraft with this engine series","url":"https://eflight.com/engines/jabiru-3300a"}],"relation":"powered by"},{"group":"Place","items":[{"count":28,"name":"Knoxville, IA","note":"","unit":"aircraft registered in this town","url":""},{"count":null,"name":"Knoxville Municipal","note":"OXV","unit":"","url":"https://eflight.com/airports/OXV"},{"count":4512,"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/N511CP#records-check"}],"relation":"involved in"},{"group":"Live","items":[{"count":null,"name":"Where N511CP is now","note":"","unit":"","url":"https://eflight.com/live?q=N511CP"}],"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":"N511CP","maker":"Clarence E Pennington","model":"ZENITH CH750 STOL","name":"Clarence E Pennington ZENITH CH750 STOL N511CP","state":"IA","type":"aircraft","url":"https://eflight.com/aircraft/N511CP","year_built":2021},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}