{"as_of":"2026-11-06","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Design","items":[{"count":1,"name":"Engen David Lars","note":"","unit":"aircraft on the register","url":"https://eflight.com/makers/engen-david-lars"}],"relation":"is a"},{"group":"Engine","items":[{"count":100,"name":"Lycoming O-320-E2A","note":"150 hp","unit":"aircraft with this engine series","url":"https://eflight.com/engines/lycoming-o-320-e2a"}],"relation":"powered by"},{"group":"Place","items":[{"count":8,"name":"Rollins, MT","note":"","unit":"aircraft registered in this town","url":""},{"count":6041,"name":"Montana","note":"","unit":"aircraft registered","url":"https://eflight.com/states/MT"}],"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/N428DD#records-check"}],"relation":"involved in"},{"group":"Airworthiness","items":[{"count":21,"name":"FAA orders naming the Lycoming O-320-E2A","note":"","unit":"airworthiness directives","url":"https://eflight.com/engines/lycoming-o-320-e2a#airworthiness"},{"count":83,"name":"Failure reports on the Lycoming O-320-E2A","note":"","unit":"reports since 1995","url":"https://eflight.com/engines/lycoming-o-320-e2a#airworthiness"}],"relation":"subject to"},{"group":"Live","items":[{"count":null,"name":"Where N428DD is now","note":"","unit":"","url":"https://eflight.com/live?q=N428DD"}],"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":"N428DD","maker":"Engen David Lars","model":"WAG AERO SPORTSMAN 2","name":"Engen David Lars WAG AERO SPORTSMAN 2 N428DD","state":"MT","type":"aircraft","url":"https://eflight.com/aircraft/N428DD","year_built":2011},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}