{"as_of":"2026-11-04","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Design","items":[{"count":1,"name":"Lincoln","note":"","unit":"aircraft on the register","url":"https://eflight.com/makers/lincoln"}],"relation":"is a"},{"group":"Engine","items":[{"count":150,"name":"Warner SS40&50","note":"90 hp","unit":"aircraft with this engine series","url":"https://eflight.com/engines/warner-ss40-50"}],"relation":"powered by"},{"group":"Place","items":[{"count":1287,"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":6044,"name":"Montana","note":"","unit":"aircraft registered","url":"https://eflight.com/states/MT"}],"relation":"registered in"},{"group":"Record","items":[{"count":null,"name":"No NTSB accident or incident record under this tail number","note":"","unit":"","url":"https://eflight.com/aircraft/N20731#records-check"}],"relation":"involved in"},{"group":"Live","items":[{"count":null,"name":"Where N20731 is now","note":"","unit":"","url":"https://eflight.com/live?q=N20731"}],"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":"N20731","maker":"Lincoln","model":"PT-W","name":"Lincoln PT-W N20731","state":"MT","type":"aircraft","url":"https://eflight.com/aircraft/N20731","year_built":1937},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}