{"as_of":"2026-10-08","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Flies","items":[{"count":3,"name":"Learjet 60","note":"","unit":"on the certificate","url":"https://eflight.com/models/learjet/60"},{"count":1,"name":"Cessna 525 CitationJet (CJ series)","note":"","unit":"on the certificate","url":"https://eflight.com/models/cessna/525"},{"count":3,"name":"Learjet Inc","note":"","unit":"on the certificate","url":"https://eflight.com/makers/learjet-inc"},{"count":1,"name":"Cessna","note":"","unit":"on the certificate","url":"https://eflight.com/makers/cessna"}],"relation":"flies"},{"group":"Where","items":[{"count":null,"name":"Grand Rapids, MN","note":"where most of the aircraft on its certificate are registered","unit":"","url":""},{"count":null,"name":"Grand Rapids/Itasca County-Gordon Newstrom Field","note":"GPZ","unit":"","url":"https://eflight.com/airports/GPZ"},{"count":6903,"name":"Minnesota","note":"","unit":"aircraft registered","url":"https://eflight.com/states/MN"}],"relation":"based in"},{"group":"Certificates and records","items":[{"count":4,"name":"FAA charter and air-taxi certificate","note":"designator EBMA","unit":"aircraft listed","url":""}],"relation":"holds"},{"group":"Aircraft","items":[{"count":null,"name":"N793CJ","note":"Cessna 525","unit":"","url":"https://eflight.com/aircraft/N793CJ"},{"count":null,"name":"N168HL","note":"Learjet Inc 60","unit":"","url":"https://eflight.com/aircraft/N168HL"},{"count":null,"name":"N169LJ","note":"Learjet Inc 60","unit":"","url":"https://eflight.com/aircraft/N169LJ"},{"count":null,"name":"N640SD","note":"Learjet Inc 60","unit":"","url":"https://eflight.com/aircraft/N640SD"}],"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":4,"base_city":"Grand Rapids","base_state":"MN","callsign":null,"certificate":"135","code":null,"designator":"EBMA","dot_authority":null,"id":"northern-air-transport-inc","name":"Northern Air Transport INC","type":"operator","url":"https://eflight.com/operators/northern-air-transport-inc"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}