{"as_of":"2026-11-13","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Design","items":[{"count":1,"name":"Heidenreich Frank W","note":"","unit":"aircraft on the register","url":"https://eflight.com/makers/heidenreich-frank-w"}],"relation":"is a"},{"group":"Engine","items":[{"count":71,"name":"Warner SCARAB series","note":"125 hp","unit":"aircraft with this engine series","url":"https://eflight.com/engines/warner-scarab-series"}],"relation":"powered by"},{"group":"Place","items":[{"count":1285,"name":"Kalispell, MT","note":"","unit":"aircraft registered in this town","url":""},{"count":null,"name":"Glacier Park International","note":"GPI","unit":"","url":"https://eflight.com/airports/GPI"},{"count":null,"name":"Kalispell City Airport","note":"S27","unit":"","url":"https://eflight.com/airports/S27"},{"count":6041,"name":"Montana","note":"","unit":"aircraft registered","url":"https://eflight.com/states/MT"}],"relation":"registered in"},{"group":"Record","items":[{"count":null,"name":"Accident on February 23, 1990 at Kalispell, MT: minor injuries, substantial damage","note":"","unit":"","url":"https://eflight.com/accidents/DEN90LA067"}],"relation":"involved in"},{"group":"Live","items":[{"count":null,"name":"Where N72517 is now","note":"","unit":"","url":"https://eflight.com/live?q=N72517"}],"relation":"seen at"}],"graph":"https://eflight.com/graph","graph_index":"https://eflight.com/graph/index.json","license":"https://creativecommons.org/licenses/by/4.0/","node":{"built_of":null,"id":"N72517","maker":"Heidenreich Frank W","model":"FOKKER DR-I","name":"Heidenreich Frank W FOKKER DR-I N72517","state":"MT","type":"aircraft","url":"https://eflight.com/aircraft/N72517","year_built":1980},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}
