{"as_of":"2026-11-03","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Design","items":[{"count":16,"name":"Helio H-391","note":"","unit":"registered","url":"https://eflight.com/models/helio/h-391"},{"count":120,"name":"Helio","note":"","unit":"aircraft on the register","url":"https://eflight.com/makers/helio"},{"count":null,"name":"Built of aluminium","note":"as the model family is built; the register does not record it per aircraft","unit":"","url":"https://eflight.com/materials/aluminium"}],"relation":"is a"},{"group":"Engine","items":[{"count":130,"name":"Lycoming GO-435C&D series","note":"260 hp","unit":"aircraft with this engine series","url":"https://eflight.com/engines/lycoming-go-435c-d-series"}],"relation":"powered by"},{"group":"Place","items":[{"count":17,"name":"Nunica, MI","note":"","unit":"aircraft registered in this town","url":""},{"count":null,"name":"Cherry Field","note":"73G","unit":"","url":"https://eflight.com/airports/73G"},{"count":null,"name":"Hat Field","note":"5N7","unit":"","url":"https://eflight.com/airports/5N7"},{"count":7225,"name":"Michigan","note":"","unit":"aircraft registered","url":"https://eflight.com/states/MI"}],"relation":"registered in"},{"group":"Record","items":[{"count":null,"name":"Accident on June 5, 1983 at Croton, MI: no injuries, substantial damage","note":"","unit":"","url":"https://eflight.com/accidents/CHI83LA248"}],"relation":"involved in"},{"group":"Airworthiness","items":[{"count":11,"name":"FAA orders naming the Helio H-391","note":"","unit":"airworthiness directives","url":"https://eflight.com/models/helio/h-391#airworthiness"},{"count":2,"name":"Failure reports filed on the Helio H-391","note":"","unit":"reports since 1995","url":"https://eflight.com/models/helio/h-391#airworthiness"},{"count":179,"name":"Approved modifications for the Helio H-391","note":"","unit":"supplemental type certificates","url":"https://eflight.com/models/helio/h-391#airworthiness"},{"count":8,"name":"FAA orders naming the Lycoming GO-435C&D series","note":"","unit":"airworthiness directives","url":"https://eflight.com/engines/lycoming-go-435c-d-series#airworthiness"}],"relation":"subject to"},{"group":"Analytics","items":[{"count":null,"name":"Accident history of the Helio H-391","note":"","unit":"","url":"https://eflight.com/models/helio/h-391#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 N4119D is now","note":"","unit":"","url":"https://eflight.com/live?q=N4119D"}],"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":"aluminium","name":"aluminium","note":null},"id":"N4119D","maker":"Helio","model":"H-391B","name":"Helio H-391B N4119D","state":"MI","type":"aircraft","url":"https://eflight.com/aircraft/N4119D","year_built":1956},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}