{"as_of":"2026-10-08","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Where","items":[{"count":null,"name":"Lancaster, CA","note":"the town on the certificate","unit":"","url":""},{"count":null,"name":"General WM J Fox Airfield","note":"WJF","unit":"","url":"https://eflight.com/airports/WJF"},{"count":27551,"name":"California","note":"","unit":"aircraft registered","url":"https://eflight.com/states/CA"},{"count":114,"name":"Aircraft registered in Lancaster","note":"","unit":"registered","url":"https://eflight.com/aircraft?city=Lancaster&state=CA"}],"relation":"works in"},{"group":"Certificate","items":[{"count":null,"name":"FAA repair station certificate (Part 145)","note":"1KAR994B","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":"1KAR994B","city":"Lancaster","country":"United States","id":"darrell-r-kroeger","name":"Darrell R. Kroeger","state":"CA","type":"repair-station","url":"https://eflight.com/repair-stations/darrell-r-kroeger"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}