{"as_of":"2026-10-23","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Design","items":[{"count":141,"name":"Sikorsky S-76","note":"","unit":"registered","url":"https://eflight.com/models/sikorsky/s-76"},{"count":815,"name":"Sikorsky","note":"","unit":"aircraft on the register","url":"https://eflight.com/makers/sikorsky"},{"count":null,"name":"Built of aluminium with composite parts","note":"as the model family is built; the register does not record it per aircraft","unit":"","url":"https://eflight.com/materials/aluminium-composite"}],"relation":"is a"},{"group":"Engine","items":[{"count":70,"name":"Pratt & Whitney PT6 series","note":"500 hp","unit":"aircraft with this engine series","url":"https://eflight.com/engines/pratt-whitney-pt6-series"},{"count":null,"name":"Type certificate H1NE","note":"held by Sikorsky Aircraft CORP","unit":"","url":""}],"relation":"powered by"},{"group":"Owner","items":[{"count":5,"name":"Aircraft Guaranty Corporation Trustee","note":"","unit":"aircraft in the fleet","url":"https://eflight.com/fleets/aircraft-guaranty-corporation-trustee"}],"relation":"owned by"},{"group":"Place","items":[{"count":1091,"name":"Oklahoma City, OK","note":"","unit":"aircraft registered in this town","url":""},{"count":null,"name":"Okc Will Rogers International","note":"OKC","unit":"","url":"https://eflight.com/airports/OKC"},{"count":null,"name":"Wiley Post Airport","note":"PWA","unit":"","url":"https://eflight.com/airports/PWA"},{"count":null,"name":"Clarence E Page Municipal","note":"RCE","unit":"","url":"https://eflight.com/airports/RCE"},{"count":null,"name":"Sundance Airport","note":"HSD","unit":"","url":"https://eflight.com/airports/HSD"},{"count":5650,"name":"Oklahoma","note":"","unit":"aircraft registered","url":"https://eflight.com/states/OK"}],"relation":"registered in"},{"group":"Record","items":[{"count":null,"name":"No NTSB accident or incident record under this tail number","note":"","unit":"","url":"https://eflight.com/aircraft/N280TR#records-check"}],"relation":"involved in"},{"group":"Airworthiness","items":[{"count":77,"name":"FAA orders naming the Sikorsky S-76","note":"","unit":"airworthiness directives","url":"https://eflight.com/models/sikorsky/s-76#airworthiness"},{"count":3841,"name":"Failure reports filed on the Sikorsky S-76","note":"","unit":"reports since 1995","url":"https://eflight.com/models/sikorsky/s-76#airworthiness"},{"count":463,"name":"Approved modifications for the Sikorsky S-76","note":"","unit":"supplemental type certificates","url":"https://eflight.com/models/sikorsky/s-76#airworthiness"},{"count":null,"name":"Report filed on this aircraft: Fire Warning, illuminated","note":"2014-09-22","unit":"","url":"https://eflight.com/systems/emergency"},{"count":null,"name":"Report filed on this aircraft: Amplifier, intermittent","note":"2013-10-27","unit":"","url":"https://eflight.com/systems/emergency"},{"count":null,"name":"Report filed on this aircraft: Plate, corroded","note":"2000-06-21","unit":"","url":"https://eflight.com/systems/structure"}],"relation":"subject to"},{"group":"Analytics","items":[{"count":null,"name":"Accident history of the Sikorsky S-76","note":"","unit":"","url":"https://eflight.com/models/sikorsky/s-76#accidents"},{"count":null,"name":"Accidents by model, with rates per thousand registered","note":"","unit":"","url":"https://eflight.com/analytics/accidents-by-model"}],"relation":"compared in"},{"group":"Live","items":[{"count":null,"name":"Where N280TR is now","note":"","unit":"","url":"https://eflight.com/live?q=N280TR"}],"relation":"seen at"}],"graph":"https://eflight.com/graph","graph_index":"https://eflight.com/graph/index.json","license":"https://creativecommons.org/licenses/by/4.0/","node":{"built_of":{"inherited_from_model":true,"material":"aluminium-composite","name":"aluminium with composite parts","note":null},"id":"N280TR","maker":"Sikorsky","model":"S-76B","name":"Sikorsky S-76B N280TR","state":"OK","type":"aircraft","url":"https://eflight.com/aircraft/N280TR","year_built":1988},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}