{"as_of":"2026-10-09","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Where","items":[{"count":null,"name":"Piqua, OH","note":"the town on the certificate","unit":"","url":""},{"count":null,"name":"Piqua/Hartzell Field","note":"I17","unit":"","url":"https://eflight.com/airports/I17"},{"count":8518,"name":"Ohio","note":"","unit":"aircraft registered","url":"https://eflight.com/states/OH"},{"count":36,"name":"Aircraft registered in Piqua","note":"","unit":"registered","url":"https://eflight.com/aircraft?city=Piqua&state=OH"}],"relation":"works in"},{"group":"Certificate","items":[{"count":null,"name":"FAA repair station certificate (Part 145)","note":"SJ3R843L","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":"SJ3R843L","city":"Piqua","country":"United States","id":"hartzell-service-center","name":"Hartzell Service Center","state":"OH","type":"repair-station","url":"https://eflight.com/repair-stations/hartzell-service-center"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}