{"as_of":"2026-11-04","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Design","items":[{"count":1,"name":"Zweifel Ronald M","note":"","unit":"aircraft on the register","url":"https://eflight.com/makers/zweifel-ronald-m"}],"relation":"is a"},{"group":"Engine","items":[{"count":23,"name":"Subaru (converted) EA-81","note":"100 hp","unit":"aircraft with this engine series","url":"https://eflight.com/engines/subaru-converted-ea-81"}],"relation":"powered by"},{"group":"Place","items":[{"count":31,"name":"Monroe, WI","note":"","unit":"aircraft registered in this town","url":""},{"count":null,"name":"Monroe Municipal","note":"EFT","unit":"","url":"https://eflight.com/airports/EFT"},{"count":6163,"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/N701RZ#records-check"}],"relation":"involved in"},{"group":"Live","items":[{"count":null,"name":"Where N701RZ is now","note":"","unit":"","url":"https://eflight.com/live?q=N701RZ"}],"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":"N701RZ","maker":"Zweifel Ronald M","model":"ZENITH CH 701","name":"Zweifel Ronald M ZENITH CH 701 N701RZ","state":"WI","type":"aircraft","url":"https://eflight.com/aircraft/N701RZ","year_built":2015},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}