{"as_of":"2026-10-09","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Flies","items":[{"count":2,"name":"Sikorsky S-76","note":"","unit":"on the certificate","url":"https://eflight.com/models/sikorsky/s-76"},{"count":1,"name":"Beechcraft B200 King Air B200","note":"","unit":"on the certificate","url":"https://eflight.com/models/beechcraft/b200"},{"count":1,"name":"Keystone Helicopter Corp S-76","note":"","unit":"on the certificate","url":"https://eflight.com/models/keystone-helicopter-corp/s-76"},{"count":2,"name":"Sikorsky","note":"","unit":"on the certificate","url":"https://eflight.com/makers/sikorsky"},{"count":1,"name":"Raytheon Aircraft Company","note":"","unit":"on the certificate","url":"https://eflight.com/makers/raytheon-aircraft-company"},{"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":"Grand Rapids, MI","note":"where it registers its own aircraft","unit":"","url":""},{"count":null,"name":"Gerald R Ford International","note":"GRR","unit":"","url":"https://eflight.com/airports/GRR"},{"count":7213,"name":"Michigan","note":"","unit":"aircraft registered","url":"https://eflight.com/states/MI"}],"relation":"based in"},{"group":"Certificates and records","items":[{"count":5,"name":"FAA charter and air-taxi certificate","note":"designator BTEA","unit":"aircraft listed","url":""}],"relation":"holds"},{"group":"Aircraft","items":[{"count":null,"name":"N610TA","note":"Raytheon Aircraft Company B200","unit":"","url":"https://eflight.com/aircraft/N610TA"},{"count":null,"name":"N327DW","note":"Textron Aviation Inc B200GT","unit":"","url":"https://eflight.com/aircraft/N327DW"},{"count":null,"name":"N176AM","note":"Sikorsky S-76C","unit":"","url":"https://eflight.com/aircraft/N176AM"},{"count":null,"name":"N764AM","note":"Keystone Helicopter Corp S-76C","unit":"","url":"https://eflight.com/aircraft/N764AM"},{"count":null,"name":"N768AM","note":"Sikorsky S-76C","unit":"","url":"https://eflight.com/aircraft/N768AM"}],"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":5,"base_city":"Grand Rapids","base_state":"MI","callsign":null,"certificate":"135","code":null,"designator":"BTEA","dot_authority":null,"id":"spectrum-health-hospitals","name":"Spectrum Health Hospitals","type":"operator","url":"https://eflight.com/operators/spectrum-health-hospitals"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}