{"as_of":"2026-11-09","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Design","items":[{"count":1,"name":"Kondra Copter","note":"","unit":"aircraft on the register","url":"https://eflight.com/makers/kondra-copter"}],"relation":"is a"},{"group":"Owner","items":[{"count":26,"name":"Classic Rotors Museum","note":"","unit":"aircraft in the fleet","url":"https://eflight.com/fleets/classic-rotors-museum"}],"relation":"owned by"},{"group":"Place","items":[{"count":101,"name":"Ramona, CA","note":"","unit":"aircraft registered in this town","url":""},{"count":null,"name":"Ramona Airport","note":"RNM","unit":"","url":"https://eflight.com/airports/RNM"},{"count":28112,"name":"California","note":"","unit":"aircraft registered","url":"https://eflight.com/states/CA"}],"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/N1820#records-check"}],"relation":"involved in"},{"group":"Live","items":[{"count":null,"name":"Where N1820 is now","note":"","unit":"","url":"https://eflight.com/live?q=N1820"}],"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":"N1820","maker":"Kondra Copter","model":"B-8","name":"Kondra Copter B-8 N1820","state":"CA","type":"aircraft","url":"https://eflight.com/aircraft/N1820","year_built":1968},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}