{"as_of":"2026-10-30","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Design","items":[{"count":3079,"name":"Bell","note":"","unit":"aircraft on the register","url":"https://eflight.com/makers/bell"},{"count":76,"name":"Bell 412EP","note":"","unit":"registered","url":"https://eflight.com/models/bell/412?variant=412EP"},{"count":11,"name":"Bell 412","note":"","unit":"registered","url":"https://eflight.com/models/bell/412?variant=412"},{"count":null,"name":"Type certificate H4SW","note":"held by Bell Textron INC","unit":"","url":""},{"count":null,"name":"Built of aluminium with composite parts","note":"Composite main rotor blades.","unit":"","url":"https://eflight.com/materials/aluminium-composite"}],"relation":"made by"},{"group":"Engines","items":[{"count":28,"name":"Pratt & Whitney Canada PT6T-9","note":"928 hp","unit":"of these aircraft","url":"https://eflight.com/engines/pratt-whitney-canada-pt6t-9"},{"count":12,"name":"Pratt & Whitney Canada PT6T-3D","note":"900 hp","unit":"of these aircraft","url":"https://eflight.com/engines/pratt-whitney-canada-pt6t-3d"},{"count":9,"name":"Pratt & Whitney Canada PT6T-3DF","note":"900 hp","unit":"of these aircraft","url":"https://eflight.com/engines/pratt-whitney-canada-pt6t-3df"},{"count":8,"name":"Pratt & Whitney Canada PT6T-3 series","note":"900 hp","unit":"of these aircraft","url":"https://eflight.com/engines/pratt-whitney-canada-pt6t-3-series"},{"count":6,"name":"Pratt & Whitney PT6T-3D","note":"900 hp","unit":"of these aircraft","url":"https://eflight.com/engines/pratt-whitney-pt6t-3d"}],"relation":"powered by"},{"group":"Where they are","items":[{"count":25,"name":"Texas","note":"","unit":"of these aircraft","url":"https://eflight.com/states/TX"},{"count":17,"name":"California","note":"","unit":"of these aircraft","url":"https://eflight.com/states/CA"},{"count":5,"name":"Utah","note":"","unit":"of these aircraft","url":"https://eflight.com/states/UT"},{"count":5,"name":"Delaware","note":"","unit":"of these aircraft","url":"https://eflight.com/states/DE"},{"count":4,"name":"Idaho","note":"","unit":"of these aircraft","url":"https://eflight.com/states/ID"}],"relation":"registered in"},{"group":"Biggest operators","items":[{"count":18,"name":"Bell Textron INC","note":"","unit":"of these aircraft","url":"https://eflight.com/fleets/bell-textron-inc"},{"count":3,"name":"Tvpx Aircraft Solutions INC Trustee","note":"","unit":"of these aircraft","url":"https://eflight.com/fleets/tvpx-aircraft-solutions-inc-trustee"},{"count":3,"name":"Helicopter Express LLC","note":"","unit":"of these aircraft","url":"https://eflight.com/fleets/helicopter-express-llc"},{"count":2,"name":"Western USA Solutions INC","note":"","unit":"of these aircraft","url":"https://eflight.com/search?q=Western USA Solutions INC"},{"count":2,"name":"U S Department of Justice","note":"","unit":"of these aircraft","url":"https://eflight.com/search?q=U S Department of Justice"}],"relation":"owned by"},{"group":"Record","items":[{"count":48,"name":"NTSB accidents and incidents involving the 412","note":"20 fatal","unit":"cases since 1982","url":"https://eflight.com/models/bell/412#accidents"},{"count":4,"name":"FAA filings this year on these aircraft","note":"2 loan or lien, 2 bill of sale","unit":"filings","url":""}],"relation":"involved in"},{"group":"Airworthiness","items":[{"count":61,"name":"FAA orders naming the 412","note":"","unit":"airworthiness directives","url":"https://eflight.com/models/bell/412#airworthiness"},{"count":4697,"name":"Failure reports filed on the 412","note":"","unit":"reports since 1995","url":"https://eflight.com/models/bell/412#airworthiness"},{"count":413,"name":"Approved modifications for the 412","note":"","unit":"supplemental type certificates","url":"https://eflight.com/models/bell/412#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":"Composite main rotor blades."},"id":"bell/412","name":"Bell 412","registered":87,"type":"model","url":"https://eflight.com/models/bell/412","versions":2},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}