{"as_of":"2026-10-08","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Flies","items":[{"count":3,"name":"Beechcraft C90 King Air C90","note":"","unit":"on the certificate","url":"https://eflight.com/models/beechcraft/c90"},{"count":4,"name":"Beech","note":"","unit":"on the certificate","url":"https://eflight.com/makers/beech"},{"count":3,"name":"Raytheon Aircraft Company","note":"","unit":"on the certificate","url":"https://eflight.com/makers/raytheon-aircraft-company"}],"relation":"flies"},{"group":"Where","items":[{"count":null,"name":"Rapid City, SD","note":"where it registers its own aircraft","unit":"","url":""},{"count":null,"name":"Rapid City Regional","note":"RAP","unit":"","url":"https://eflight.com/airports/RAP"},{"count":2271,"name":"South Dakota","note":"","unit":"aircraft registered","url":"https://eflight.com/states/SD"}],"relation":"based in"},{"group":"Certificates and records","items":[{"count":8,"name":"Dale Aviation INC","note":"the aircraft the FAA register lists under this name","unit":"aircraft in the fleet","url":"https://eflight.com/fleets/dale-aviation-inc"},{"count":7,"name":"FAA charter and air-taxi certificate","note":"designator DOKA","unit":"aircraft listed","url":""}],"relation":"holds"},{"group":"Aircraft","items":[{"count":null,"name":"N145AF","note":"Raytheon Aircraft Company C90A","unit":"","url":"https://eflight.com/aircraft/N145AF"},{"count":null,"name":"N207P","note":"Beech C90A","unit":"","url":"https://eflight.com/aircraft/N207P"},{"count":null,"name":"N26AR","note":"Raytheon Aircraft Company C90A","unit":"","url":"https://eflight.com/aircraft/N26AR"},{"count":null,"name":"N284MR","note":"Raytheon Aircraft Company C90A","unit":"","url":"https://eflight.com/aircraft/N284MR"},{"count":null,"name":"N422PM","note":"Beech C90","unit":"","url":"https://eflight.com/aircraft/N422PM"},{"count":null,"name":"N50VP","note":"Beech C90A","unit":"","url":"https://eflight.com/aircraft/N50VP"},{"count":null,"name":"All 7 aircraft on the certificate","note":"","unit":"","url":"https://eflight.com/operators/dale-aviation-inc#aircraft"}],"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":7,"base_city":"Rapid City","base_state":"SD","callsign":null,"certificate":"135","code":null,"designator":"DOKA","dot_authority":null,"id":"dale-aviation-inc","name":"Dale Aviation INC","type":"operator","url":"https://eflight.com/operators/dale-aviation-inc"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}