{"as_of":"2026-11-13","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Aircraft","items":[{"count":null,"name":"N4166A on the register today","note":"the tail number may have moved to another aircraft since","unit":"","url":"https://eflight.com/aircraft/N4166A"},{"count":40,"name":"Glasflugel H 301","note":"the model family and its accident history","unit":"registered today","url":"https://eflight.com/models/glasflugel/h-301"},{"count":191,"name":"Glasflugel","note":"","unit":"aircraft on the register","url":"https://eflight.com/makers/glasflugel"},{"count":null,"name":"Engine:","note":"as the NTSB recorded it","unit":"","url":""}],"relation":"involved"},{"group":"Place","items":[{"count":null,"name":"Thompson Falls Airport","note":"nearest airport","unit":"","url":"https://eflight.com/airports/THM"},{"count":1121,"name":"Accidents and incidents in Montana","note":"166 in the last ten years","unit":"since 1982","url":"https://eflight.com/accidents?state=MT"},{"count":6041,"name":"Montana","note":"","unit":"aircraft registered","url":"https://eflight.com/states/MT"}],"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":"Thompson Falls","date":"1990-07-29","fatalities":0,"id":"SEA90LA150","name":"Glasflugel H 301 LIBELLE accident near Thompson Falls, Montana, July 29, 1990","state":"MT","type":"ACC","url":"https://eflight.com/accidents/SEA90LA150"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}