{"as_of":"2026-11-06","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Design","items":[{"count":7,"name":"Heldeberg Designs Llc BLUE HERON MARATHON","note":"","unit":"registered","url":"https://eflight.com/models/heldeberg-designs-llc/blue-heron-marathon"},{"count":11,"name":"Heldeberg Designs Llc","note":"","unit":"aircraft on the register","url":"https://eflight.com/makers/heldeberg-designs-llc"},{"count":null,"name":"Built of fabric wing and steel frame","note":"as the model family is built; the register does not record it per aircraft","unit":"","url":"https://eflight.com/materials/parachute"}],"relation":"is a"},{"group":"Engine","items":[{"count":578,"name":"Rotax 582DCDI","note":"65 hp","unit":"aircraft with this engine series","url":"https://eflight.com/engines/rotax-582dcdi"}],"relation":"powered by"},{"group":"Place","items":[{"count":12,"name":"Bethel, ME","note":"","unit":"aircraft registered in this town","url":""},{"count":null,"name":"Bethel Regional","note":"0B1","unit":"","url":"https://eflight.com/airports/0B1"},{"count":1425,"name":"Maine","note":"","unit":"aircraft registered","url":"https://eflight.com/states/ME"}],"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/N4322B#records-check"}],"relation":"involved in"},{"group":"Analytics","items":[{"count":null,"name":"Accident history of the Heldeberg Designs Llc BLUE HERON MARATHON","note":"","unit":"","url":"https://eflight.com/models/heldeberg-designs-llc/blue-heron-marathon#accidents"},{"count":null,"name":"Accidents by model, with rates per thousand registered","note":"","unit":"","url":"https://eflight.com/analytics/accidents-by-model"}],"relation":"compared in"},{"group":"Live","items":[{"count":null,"name":"Where N4322B is now","note":"","unit":"","url":"https://eflight.com/live?q=N4322B"}],"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":{"inherited_from_model":true,"material":"parachute","name":"fabric wing and steel frame","note":null},"id":"N4322B","maker":"Heldeberg Designs Llc","model":"BLUE HERON MARATHON","name":"Heldeberg Designs Llc BLUE HERON MARATHON N4322B","state":"ME","type":"aircraft","url":"https://eflight.com/aircraft/N4322B","year_built":2002},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}
