{"as_of":"2026-11-06","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Where they are","items":[{"count":2,"name":"Oklahoma","note":"","unit":"of these aircraft","url":"https://eflight.com/states/OK"},{"count":1,"name":"Wyoming","note":"","unit":"of these aircraft","url":"https://eflight.com/states/WY"},{"count":1,"name":"Pennsylvania","note":"","unit":"of these aircraft","url":"https://eflight.com/states/PA"},{"count":1,"name":"Illinois","note":"","unit":"of these aircraft","url":"https://eflight.com/states/IL"}],"relation":"registered in"},{"group":"Biggest operators","items":[{"count":2,"name":"Henderson Colin D","note":"","unit":"of these aircraft","url":"https://eflight.com/fleets/henderson-colin-d"},{"count":1,"name":"Yellowstone Aviation INC","note":"","unit":"of these aircraft","url":"https://eflight.com/fleets/yellowstone-aviation-inc"}],"relation":"owned by"},{"group":"Analytics","items":[{"count":null,"name":"Biggest makers and model families","note":"","unit":"","url":"https://eflight.com/analytics/makers"},{"count":null,"name":"Accidents by model and by maker","note":"","unit":"","url":"https://eflight.com/analytics/accidents-by-model"}],"relation":"compared in"}],"graph":"https://eflight.com/graph","graph_index":"https://eflight.com/graph/index.json","license":"https://creativecommons.org/licenses/by/4.0/","node":{"id":"frankfort","name":"Frankfort","registered":5,"type":"maker","url":"https://eflight.com/makers/frankfort"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}