{"as_of":"2026-11-06","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Aircraft","items":[{"count":null,"name":"N12911 on the register today","note":"the tail number may have moved to another aircraft since","unit":"","url":"https://eflight.com/aircraft/N12911"},{"count":71,"name":"Engine: Rotax 503 UL DCDI","note":"as the NTSB recorded it","unit":"aircraft carry this series today","url":"https://eflight.com/engines/rotax-503uldcdi"}],"relation":"involved"},{"group":"Place","items":[{"count":1622,"name":"Accidents and incidents in Wisconsin","note":"226 in the last ten years","unit":"since 1982","url":"https://eflight.com/accidents?state=WI"},{"count":6162,"name":"Wisconsin","note":"","unit":"aircraft registered","url":"https://eflight.com/states/WI"}],"relation":"at or near"},{"group":"Analytics","items":[{"count":null,"name":"Accidents over time since 1982","note":"","unit":"","url":"https://eflight.com/analytics/accidents-over-time"},{"count":null,"name":"Accidents by phase of flight, weather and hour","note":"","unit":"","url":"https://eflight.com/analytics/accidents-by-phase"},{"count":null,"name":"The accident map","note":"","unit":"","url":"https://eflight.com/analytics/accident-map"}],"relation":"counted in"}],"graph":"https://eflight.com/graph","graph_index":"https://eflight.com/graph/index.json","license":"https://creativecommons.org/licenses/by/4.0/","node":{"city":"Neshkoro","date":"2011-06-30","fatalities":1,"id":"CEN11FA433","name":"Amateur-built CHALLENGER II accident near Neshkoro, Wisconsin, June 30, 2011","state":"WI","type":"ACC","url":"https://eflight.com/accidents/CEN11FA433"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}