{"as_of":"2026-10-26","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Design","items":[{"count":3082,"name":"Bell","note":"","unit":"aircraft on the register","url":"https://eflight.com/makers/bell"},{"count":13,"name":"Bell 427","note":"","unit":"registered","url":"https://eflight.com/models/bell/427?variant=427"},{"count":null,"name":"Type certificate R00001RC","note":"held by Bell Helicopter Textron Canada LTD","unit":"","url":""},{"count":null,"name":"Built of aluminium with composite parts","note":"","unit":"","url":"https://eflight.com/materials/aluminium-composite"}],"relation":"made by"},{"group":"Engines","items":[{"count":13,"name":"Pratt & Whitney Canada PW207D","note":"572 hp","unit":"of these aircraft","url":"https://eflight.com/engines/pratt-whitney-canada-pw207d"}],"relation":"powered by"},{"group":"Where they are","items":[{"count":2,"name":"Oklahoma","note":"","unit":"of these aircraft","url":"https://eflight.com/states/OK"},{"count":2,"name":"New York","note":"","unit":"of these aircraft","url":"https://eflight.com/states/NY"},{"count":2,"name":"Delaware","note":"","unit":"of these aircraft","url":"https://eflight.com/states/DE"},{"count":1,"name":"Wyoming","note":"","unit":"of these aircraft","url":"https://eflight.com/states/WY"},{"count":1,"name":"Virginia","note":"","unit":"of these aircraft","url":"https://eflight.com/states/VA"}],"relation":"registered in"},{"group":"Biggest operators","items":[{"count":2,"name":"Aircraft Guaranty CORP Trustee","note":"","unit":"of these aircraft","url":"https://eflight.com/fleets/aircraft-guaranty-corp-trustee"},{"count":1,"name":"Vase CORP III","note":"","unit":"of these aircraft","url":"https://eflight.com/search?q=Vase CORP III"},{"count":1,"name":"Sky West Aviation INC Trustee","note":"","unit":"of these aircraft","url":"https://eflight.com/fleets/sky-west-aviation-inc-trustee"},{"count":1,"name":"Royalton Development CORP","note":"","unit":"of these aircraft","url":"https://eflight.com/search?q=Royalton Development CORP"},{"count":1,"name":"Penske CORP","note":"","unit":"of these aircraft","url":"https://eflight.com/search?q=Penske CORP"}],"relation":"owned by"},{"group":"Record","items":[{"count":1,"name":"NTSB accidents and incidents involving the 427","note":"0 fatal","unit":"cases since 1982","url":"https://eflight.com/models/bell/427#accidents"}],"relation":"involved in"},{"group":"Airworthiness","items":[{"count":25,"name":"FAA orders naming the 427","note":"","unit":"airworthiness directives","url":"https://eflight.com/models/bell/427#airworthiness"},{"count":77,"name":"Failure reports filed on the 427","note":"","unit":"reports since 1995","url":"https://eflight.com/models/bell/427#airworthiness"},{"count":31,"name":"Approved modifications for the 427","note":"","unit":"supplemental type certificates","url":"https://eflight.com/models/bell/427#airworthiness"}],"relation":"subject to"},{"group":"Analytics","items":[{"count":null,"name":"Accidents by model, with rates per thousand registered","note":"","unit":"","url":"https://eflight.com/analytics/accidents-by-model"},{"count":null,"name":"The fleet by kind, state and age","note":"","unit":"","url":"https://eflight.com/analytics/fleet"},{"count":null,"name":"Biggest makers and model families","note":"","unit":"","url":"https://eflight.com/analytics/makers"}],"relation":"compared in"}],"graph":"https://eflight.com/graph","graph_index":"https://eflight.com/graph/index.json","license":"https://creativecommons.org/licenses/by/4.0/","node":{"built_of":{"material":"aluminium-composite","name":"aluminium with composite parts","note":null},"id":"bell/427","name":"Bell 427","registered":13,"type":"model","url":"https://eflight.com/models/bell/427","versions":1},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}
