{"as_of":"2026-10-08","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Flies","items":[{"count":5,"name":"Boeing-Vertol 107","note":"","unit":"on the certificate","url":"https://eflight.com/models/boeing-vertol/107"},{"count":3,"name":"Boeing-Vertol 234","note":"","unit":"on the certificate","url":"https://eflight.com/models/boeing-vertol/234"},{"count":10,"name":"Boeing-Vertol","note":"","unit":"on the certificate","url":"https://eflight.com/makers/boeing-vertol"},{"count":1,"name":"Columbia Helicopters Inc","note":"","unit":"on the certificate","url":"https://eflight.com/makers/columbia-helicopters-inc"},{"count":1,"name":"Vertol","note":"","unit":"on the certificate","url":"https://eflight.com/makers/vertol"}],"relation":"flies"},{"group":"Where","items":[{"count":null,"name":"Aurora, OR","note":"where it registers its own aircraft","unit":"","url":""},{"count":null,"name":"Aurora State Airport","note":"UAO","unit":"","url":"https://eflight.com/airports/UAO"},{"count":7013,"name":"Oregon","note":"","unit":"aircraft registered","url":"https://eflight.com/states/OR"}],"relation":"based in"},{"group":"Certificates and records","items":[{"count":33,"name":"Columbia Helicopters INC","note":"the aircraft the FAA register lists under this name","unit":"aircraft in the fleet","url":"https://eflight.com/fleets/columbia-helicopters-inc"},{"count":12,"name":"FAA charter and air-taxi certificate","note":"designator CHIA","unit":"aircraft listed","url":""},{"count":null,"name":"Callsign Columbia Heli (WCO)","note":"on the live map","unit":"","url":"https://eflight.com/live?q=WCO"}],"relation":"holds"},{"group":"Aircraft","items":[{"count":null,"name":"N168CH","note":"Columbia Helicopters Inc 107-II","unit":"","url":"https://eflight.com/aircraft/N168CH"},{"count":null,"name":"N188CH","note":"Boeing-Vertol 107-II","unit":"","url":"https://eflight.com/aircraft/N188CH"},{"count":null,"name":"N189CH","note":"Boeing-Vertol 107-II","unit":"","url":"https://eflight.com/aircraft/N189CH"},{"count":null,"name":"N190CH","note":"Boeing-Vertol 107-II","unit":"","url":"https://eflight.com/aircraft/N190CH"},{"count":null,"name":"N6674D","note":"Vertol 107-II","unit":"","url":"https://eflight.com/aircraft/N6674D"},{"count":null,"name":"N6675D","note":"Boeing-Vertol 107-II","unit":"","url":"https://eflight.com/aircraft/N6675D"},{"count":null,"name":"All 12 aircraft on the certificate","note":"","unit":"","url":"https://eflight.com/operators/columbia-helicopters-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":12,"base_city":"Aurora","base_state":"OR","callsign":"COLUMBIA HELI","certificate":"135","code":"WCO","designator":"CHIA","dot_authority":null,"id":"columbia-helicopters-inc","name":"Columbia Helicopters,  Inc","type":"operator","url":"https://eflight.com/operators/columbia-helicopters-inc"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}