{"as_of":"2026-10-30","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Aircraft","items":[{"count":null,"name":"N3912C: not on the register today","note":"the record of its deregistration","unit":"","url":"https://eflight.com/aircraft/N3912C"},{"count":768,"name":"Cessna 421 Golden Eagle","note":"the model family and its accident history","unit":"registered today","url":"https://eflight.com/models/cessna/421"},{"count":72684,"name":"Cessna","note":"","unit":"aircraft on the register","url":"https://eflight.com/makers/cessna"},{"count":16,"name":"Engine: Continental GTSIO520L","note":"as the NTSB recorded it","unit":"aircraft carry this series today","url":"https://eflight.com/engines/continental-gtsio-520-l"}],"relation":"involved"},{"group":"Place","items":[{"count":null,"name":"Northeast Wyoming Regional","note":"nearest airport","unit":"","url":"https://eflight.com/airports/GCC"},{"count":null,"name":"Rapid City Regional","note":"departed from","unit":"","url":"https://eflight.com/airports/RAP"},{"count":778,"name":"Accidents and incidents in Wyoming","note":"109 in the last ten years","unit":"since 1982","url":"https://eflight.com/accidents?state=WY"},{"count":3236,"name":"Wyoming","note":"","unit":"aircraft registered","url":"https://eflight.com/states/WY"}],"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":"Gillette","date":"1999-12-11","fatalities":0,"id":"DEN00LA026","name":"Cessna 421C accident near Gillette, Wyoming, December 11, 1999","state":"WY","type":"ACC","url":"https://eflight.com/accidents/DEN00LA026"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}