{"as_of":"2026-10-08","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Where","items":[{"count":null,"name":"Guthrie, OK","note":"the town on the certificate","unit":"","url":""},{"count":null,"name":"Guthrie/Edmond Regional","note":"GOK","unit":"","url":"https://eflight.com/airports/GOK"},{"count":5656,"name":"Oklahoma","note":"","unit":"aircraft registered","url":"https://eflight.com/states/OK"},{"count":46,"name":"Aircraft registered in Guthrie","note":"","unit":"registered","url":"https://eflight.com/aircraft?city=Guthrie&state=OK"}],"relation":"works in"},{"group":"Certificate","items":[{"count":null,"name":"FAA repair station certificate (Part 145)","note":"RAQR194K","unit":"","url":""}],"relation":"holds"}],"graph":"https://eflight.com/graph","graph_index":"https://eflight.com/graph/index.json","license":"https://creativecommons.org/licenses/by/4.0/","node":{"certificate":"RAQR194K","city":"Guthrie","country":"United States","id":"radial-engines-ltd","name":"Radial Engines LTD","state":"OK","type":"repair-station","url":"https://eflight.com/repair-stations/radial-engines-ltd"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}