{"as_of":"2026-10-26","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Design","items":[{"count":119,"name":"Learjet 31","note":"","unit":"registered","url":"https://eflight.com/models/learjet/31"},{"count":846,"name":"Learjet Inc","note":"","unit":"aircraft on the register","url":"https://eflight.com/makers/learjet-inc"},{"count":null,"name":"Built of aluminium","note":"as the model family is built; the register does not record it per aircraft","unit":"","url":"https://eflight.com/materials/aluminium"}],"relation":"is a"},{"group":"Flies for","items":[{"count":null,"name":"RSB Investments LLC","note":"charter operator","unit":"","url":"https://eflight.com/operators/rsb-investments-llc"}],"relation":"flies for"},{"group":"Engine","items":[{"count":291,"name":"Honeywell TFE-731-series","note":"4,000 lb thrust","unit":"aircraft with this engine series","url":"https://eflight.com/engines/honeywell-tfe-731-series"}],"relation":"powered by"},{"group":"Owner","items":[{"count":1,"name":"Thunderforce Investments LLC","note":"","unit":"aircraft registered to this organisation","url":"https://eflight.com/search?q=Thunderforce Investments LLC"}],"relation":"owned by"},{"group":"Place","items":[{"count":393,"name":"Washington, DC","note":"","unit":"aircraft registered in this town","url":""},{"count":null,"name":"Ronald Reagan Washington Ntl Airport","note":"DCA","unit":"","url":"https://eflight.com/airports/DCA"},{"count":null,"name":"Washington Dulles International","note":"IAD","unit":"","url":"https://eflight.com/airports/IAD"},{"count":null,"name":"Washington Manassas/Harry P Davis Field","note":"HEF","unit":"","url":"https://eflight.com/airports/HEF"},{"count":null,"name":"South Capitol Street Heliport","note":"09W","unit":"","url":"https://eflight.com/airports/09W"},{"count":398,"name":"District of Columbia","note":"","unit":"aircraft registered","url":"https://eflight.com/states/DC"}],"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/N412SW#records-check"}],"relation":"involved in"},{"group":"Airworthiness","items":[{"count":17,"name":"FAA orders naming the Learjet 31","note":"","unit":"airworthiness directives","url":"https://eflight.com/models/learjet/31#airworthiness"},{"count":159,"name":"Failure reports filed on the Learjet 31","note":"","unit":"reports since 1995","url":"https://eflight.com/models/learjet/31#airworthiness"},{"count":107,"name":"Approved modifications for the Learjet 31","note":"","unit":"supplemental type certificates","url":"https://eflight.com/models/learjet/31#airworthiness"},{"count":30,"name":"FAA orders naming the Honeywell TFE-731-series","note":"","unit":"airworthiness directives","url":"https://eflight.com/engines/honeywell-tfe-731-series#airworthiness"},{"count":2,"name":"Failure reports on the Honeywell TFE-731-series","note":"","unit":"reports since 1995","url":"https://eflight.com/engines/honeywell-tfe-731-series#airworthiness"},{"count":null,"name":"Report filed on this aircraft: Ahrs, faulty","note":"2025-11-16","unit":"","url":"https://eflight.com/systems/avionics"},{"count":null,"name":"Report filed on this aircraft: Engine, fire warning","note":"2025-07-07","unit":"","url":"https://eflight.com/systems/emergency"},{"count":null,"name":"Report filed on this aircraft: Overheat Loop, out of adjust","note":"2014-04-07","unit":"","url":"https://eflight.com/systems/emergency"}],"relation":"subject to"},{"group":"Analytics","items":[{"count":null,"name":"Accident history of the Learjet 31","note":"","unit":"","url":"https://eflight.com/models/learjet/31#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 N412SW is now","note":"","unit":"","url":"https://eflight.com/live?q=N412SW"}],"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","name":"aluminium","note":null},"id":"N412SW","maker":"Learjet Inc","model":"31A","name":"Learjet Inc 31A N412SW","state":"DC","type":"aircraft","url":"https://eflight.com/aircraft/N412SW","year_built":2002},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}