{"as_of":"2026-11-06","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Aircraft","items":[{"count":null,"name":"N270BB on the register today","note":"the tail number may have moved to another aircraft since","unit":"","url":"https://eflight.com/aircraft/N270BB"},{"count":6246,"name":"Mooney M-20","note":"the model family and its accident history","unit":"registered today","url":"https://eflight.com/models/mooney/m-20"},{"count":5395,"name":"Mooney","note":"","unit":"aircraft on the register","url":"https://eflight.com/makers/mooney"},{"count":2,"name":"Engine: Continental TSIOL-550","note":"as the NTSB recorded it","unit":"aircraft carry this series today","url":"https://eflight.com/engines/continental-tsiol-550-c"}],"relation":"involved"},{"group":"Place","items":[{"count":null,"name":"Felts Field","note":"departed from","unit":"","url":"https://eflight.com/airports/SFF"},{"count":null,"name":"Joe Foss Field","note":"bound for","unit":"","url":"https://eflight.com/airports/FSD"},{"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":"Missoula","date":"1999-12-12","fatalities":1,"id":"SEA00FA031","name":"Mooney M20-M accident near Missoula, Montana, December 12, 1999","state":"MT","type":"ACC","url":"https://eflight.com/accidents/SEA00FA031"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}