{"as_of":"2026-10-08","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Flies","items":[{"count":1,"name":"Beechcraft B300 King Air 350","note":"","unit":"on the certificate","url":"https://eflight.com/models/beechcraft/b300"},{"count":1,"name":"Textron Aviation Inc","note":"","unit":"on the certificate","url":"https://eflight.com/makers/textron-aviation-inc"}],"relation":"flies"},{"group":"Where","items":[{"count":null,"name":"Green Bay, WI","note":"where it registers its own aircraft","unit":"","url":""},{"count":null,"name":"Green Bay/Austin Straubel International","note":"GRB","unit":"","url":"https://eflight.com/airports/GRB"},{"count":6160,"name":"Wisconsin","note":"","unit":"aircraft registered","url":"https://eflight.com/states/WI"}],"relation":"based in"},{"group":"Certificates and records","items":[{"count":1,"name":"FAA charter and air-taxi certificate","note":"designator 4WKA","unit":"aircraft listed","url":""}],"relation":"holds"},{"group":"Aircraft","items":[{"count":null,"name":"N280WD","note":"Textron Aviation Inc B300","unit":"","url":"https://eflight.com/aircraft/N280WD"}],"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":"Green Bay","base_state":"WI","callsign":null,"certificate":"135","code":null,"designator":"4WKA","dot_authority":null,"id":"wak-aviations-llc","name":"Wak Aviations, LLC","type":"operator","url":"https://eflight.com/operators/wak-aviations-llc"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}