{"as_of":"2026-10-08","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Flies","items":[{"count":1,"name":"Robinson R44","note":"","unit":"on the certificate","url":"https://eflight.com/models/robinson/r44"},{"count":1,"name":"Robinson Helicopter","note":"","unit":"on the certificate","url":"https://eflight.com/makers/robinson-helicopter"}],"relation":"flies"},{"group":"Where","items":[{"count":null,"name":"Corona, CA","note":"where most of the aircraft on its certificate are registered","unit":"","url":""},{"count":null,"name":"Corona Municipal","note":"AJO","unit":"","url":"https://eflight.com/airports/AJO"},{"count":27551,"name":"California","note":"","unit":"aircraft registered","url":"https://eflight.com/states/CA"}],"relation":"based in"},{"group":"Certificates and records","items":[{"count":1,"name":"FAA charter and air-taxi certificate","note":"designator 1T2A","unit":"aircraft listed","url":""}],"relation":"holds"},{"group":"Aircraft","items":[{"count":null,"name":"N821MR","note":"Robinson Helicopter R44 II","unit":"","url":"https://eflight.com/aircraft/N821MR"}],"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":"Corona","base_state":"CA","callsign":null,"certificate":"135","code":null,"designator":"1T2A","dot_authority":null,"id":"hanger-21-air-charters-inc","name":"Hanger 21 Air Charters, Inc","type":"operator","url":"https://eflight.com/operators/hanger-21-air-charters-inc"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}