{"as_of":"2026-11-13","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Aircraft","items":[{"count":null,"name":"N721WC on the register today","note":"the tail number may have moved to another aircraft since","unit":"","url":"https://eflight.com/aircraft/N721WC"},{"count":43,"name":"Schleicher ASK-21","note":"the model family and its accident history","unit":"registered today","url":"https://eflight.com/models/schleicher/ask-21"},{"count":506,"name":"Schleicher","note":"","unit":"aircraft on the register","url":"https://eflight.com/makers/schleicher"}],"relation":"involved"},{"group":"Place","items":[{"count":null,"name":"Capitol Drive Airport","note":"nearest airport","unit":"","url":"https://eflight.com/airports/02C"},{"count":null,"name":"Hinckley Airport","note":"departed from","unit":"","url":"https://eflight.com/airports/0C2"},{"count":2118,"name":"Accidents and incidents in Illinois","note":"251 in the last ten years","unit":"since 1982","url":"https://eflight.com/accidents?state=IL"},{"count":8070,"name":"Illinois","note":"","unit":"aircraft registered","url":"https://eflight.com/states/IL"}],"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":"Hinckley","date":"2020-09-29","fatalities":0,"id":"CEN20LA427","name":"Schleicher ASK21 accident near Hinckley, Illinois, September 29, 2020","state":"IL","type":"ACC","url":"https://eflight.com/accidents/CEN20LA427"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}