{"as_of":"2026-10-08","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Flies","items":[{"count":1,"name":"Beechcraft B100","note":"","unit":"on the certificate","url":"https://eflight.com/models/beechcraft/b100"},{"count":1,"name":"Beech","note":"","unit":"on the certificate","url":"https://eflight.com/makers/beech"}],"relation":"flies"},{"group":"Where","items":[{"count":null,"name":"Helena, MT","note":"where most of the aircraft on its certificate are registered","unit":"","url":""},{"count":null,"name":"Helena Regional","note":"HLN","unit":"","url":"https://eflight.com/airports/HLN"},{"count":6043,"name":"Montana","note":"","unit":"aircraft registered","url":"https://eflight.com/states/MT"}],"relation":"based in"},{"group":"Certificates and records","items":[{"count":1,"name":"FAA charter and air-taxi certificate","note":"designator 8W0A","unit":"aircraft listed","url":""},{"count":null,"name":"Callsign Circle City (CKL)","note":"on the live map","unit":"","url":"https://eflight.com/live?q=CKL"}],"relation":"holds"},{"group":"Aircraft","items":[{"count":null,"name":"N88FA","note":"Beech B100","unit":"","url":"https://eflight.com/aircraft/N88FA"}],"relation":"lists on its certificate"}],"graph":"https://eflight.com/graph","graph_index":"https://eflight.com/graph/index.json","license":"https://creativecommons.org/licenses/by/4.0/","node":{"aircraft_listed":1,"base_city":"Helena","base_state":"MT","callsign":"CIRCLE CITY","certificate":"135","code":"CKL","designator":"8W0A","dot_authority":null,"id":"aviation-charter-services-llc","name":"Aviation Charter Services LLC","type":"operator","url":"https://eflight.com/operators/aviation-charter-services-llc"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}