{"as_of":"2026-11-06","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Design","items":[{"count":11,"name":"Heldeberg Designs Llc","note":"","unit":"aircraft on the register","url":"https://eflight.com/makers/heldeberg-designs-llc"}],"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":2,"name":"Earleville, MD","note":"","unit":"aircraft registered in this town","url":""},{"count":2362,"name":"Maryland","note":"","unit":"aircraft registered","url":"https://eflight.com/states/MD"}],"relation":"registered in"},{"group":"Record","items":[{"count":null,"name":"Accident on October 30, 2004 at Downing, MO: fatal, destroyed (3 fatal)","note":"","unit":"","url":"https://eflight.com/accidents/CHI05FA020"},{"count":null,"name":"Accident on April 21, 1985 at Boron, CA: minor injuries, substantial damage","note":"","unit":"","url":"https://eflight.com/accidents/LAX85LA212"}],"relation":"involved in"},{"group":"Live","items":[{"count":null,"name":"Where N55448 is now","note":"","unit":"","url":"https://eflight.com/live?q=N55448"}],"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":"N55448","maker":"Heldeberg Designs Llc","model":"MARATHON 2 PLACE","name":"Heldeberg Designs Llc MARATHON 2 PLACE N55448","state":"MD","type":"aircraft","url":"https://eflight.com/aircraft/N55448","year_built":2007},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}