{"as_of":"2026-10-23","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"In town","items":[{"count":56,"name":"Aircraft registered in Duncan","note":"43 piston singles, 5 drones, 3 turboprops","unit":"aircraft","url":"https://eflight.com/airports/DUC#registered"},{"count":5,"name":"5B Aviation LLC","note":"","unit":"aircraft in town","url":"https://eflight.com/fleets/5b-aviation-llc"},{"count":3,"name":"C4 Drone Services LLC","note":"","unit":"aircraft in town","url":"https://eflight.com/search?q=C4 Drone Services LLC"},{"count":2,"name":"Vintage Aero INC","note":"","unit":"aircraft in town","url":"https://eflight.com/fleets/vintage-aero-inc"},{"count":2,"name":"3L Executive Coach LLC","note":"","unit":"aircraft in town","url":"https://eflight.com/search?q=3L Executive Coach LLC"}],"relation":"home to"},{"group":"Who works here","items":[{"count":null,"name":"5B Aviation LLC","note":"repair station","unit":"","url":"https://eflight.com/repair-stations/5b-aviation-llc"}],"relation":"home to"},{"group":"Record","items":[{"count":5,"name":"NTSB accidents and incidents at or near this airport","note":"0 fatal","unit":"since 1982","url":"https://eflight.com/airports/DUC#accidents"},{"count":1299,"name":"Accidents and incidents in Oklahoma","note":"180 in the last ten years","unit":"since 1982","url":"https://eflight.com/accidents?state=OK"}],"relation":"scene of"},{"group":"Around it","items":[{"count":8,"name":"Nearby landing places within 30 nautical miles","note":"","unit":"airports, heliports and seaplane bases","url":"https://eflight.com/airports/DUC#nearby"},{"count":130,"name":"Public-use airports in Oklahoma","note":"","unit":"landing places","url":"https://eflight.com/airports?state=OK"},{"count":5650,"name":"Oklahoma","note":"","unit":"aircraft registered","url":"https://eflight.com/states/OK"}],"relation":"in"},{"group":"Live","items":[{"count":null,"name":"Aircraft near this airport right now","note":"","unit":"","url":"https://eflight.com/airports/DUC#liveapt"},{"count":null,"name":"The live map, zoomed here","note":"","unit":"","url":"https://eflight.com/live?q=DUC"}],"relation":"seen at"},{"group":"Analytics","items":[{"count":null,"name":"Airports by the numbers","note":"","unit":"","url":"https://eflight.com/analytics/airports"},{"count":null,"name":"Where accidents happen, by state and airport","note":"","unit":"","url":"https://eflight.com/analytics/accidents-by-place"},{"count":null,"name":"The accident map","note":"","unit":"","url":"https://eflight.com/analytics/accident-map"}],"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":{"city":"Duncan","id":"DUC","kind":"airport","latitude":34.47087333,"longitude":-97.95986027,"name":"Halliburton Field","state":"OK","type":"airport","url":"https://eflight.com/airports/DUC"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}