{"as_of":"2026-10-08","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Where","items":[{"count":null,"name":"Greendale, IN","note":"the town on the certificate","unit":"","url":""},{"count":5688,"name":"Indiana","note":"","unit":"aircraft registered","url":"https://eflight.com/states/IN"}],"relation":"works in"},{"group":"Certificate","items":[{"count":null,"name":"FAA repair station certificate (Part 145)","note":"YPOR440L","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":"YPOR440L","city":"Greendale","country":"United States","id":"polycraft-products-inc","name":"Polycraft Products INC","state":"IN","type":"repair-station","url":"https://eflight.com/repair-stations/polycraft-products-inc"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}