{"as_of":"2026-10-23","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Design","items":[{"count":891,"name":"Airbus Helicopters AS350 AStar (\u00c9cureuil), now H125","note":"","unit":"registered","url":"https://eflight.com/models/airbus-helicopters/as350"},{"count":112,"name":"American Eurocopter Corp","note":"","unit":"aircraft on the register","url":"https://eflight.com/makers/american-eurocopter-corp"},{"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":271,"name":"Turbomeca (Safran) ARRIEL 2B1","note":"747 hp","unit":"aircraft with this engine series","url":"https://eflight.com/engines/turbomeca-safran-arriel-2b1"},{"count":null,"name":"Type certificate H9EU","note":"held by Airbus Helicopters","unit":"","url":""}],"relation":"powered by"},{"group":"Owner","items":[{"count":4,"name":"Harris County Sheriffs Office","note":"","unit":"aircraft registered to this organisation","url":"https://eflight.com/search?q=Harris County Sheriffs Office"}],"relation":"owned by"},{"group":"Place","items":[{"count":1181,"name":"Houston, TX","note":"","unit":"aircraft registered in this town","url":""},{"count":null,"name":"Conroe/North Houston Regional","note":"CXO","unit":"","url":"https://eflight.com/airports/CXO"},{"count":null,"name":"David Wayne Hooks Memorial","note":"DWH","unit":"","url":"https://eflight.com/airports/DWH"},{"count":null,"name":"Ellington Airport","note":"EFD","unit":"","url":"https://eflight.com/airports/EFD"},{"count":null,"name":"George Bush Intcntl/Houston Airport","note":"IAH","unit":"","url":"https://eflight.com/airports/IAH"},{"count":null,"name":"8 more landing places in town","note":"","unit":"","url":"https://eflight.com/airports?q=Houston"},{"count":29911,"name":"Texas","note":"","unit":"aircraft registered","url":"https://eflight.com/states/TX"}],"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/N556SD#records-check"}],"relation":"involved in"},{"group":"Airworthiness","items":[{"count":155,"name":"FAA orders naming the Airbus Helicopters AS350 AStar (\u00c9cureuil), now H125","note":"","unit":"airworthiness directives","url":"https://eflight.com/models/airbus-helicopters/as350#airworthiness"},{"count":1007,"name":"Failure reports filed on the Airbus Helicopters AS350 AStar (\u00c9cureuil), now H125","note":"","unit":"reports since 1995","url":"https://eflight.com/models/airbus-helicopters/as350#airworthiness"},{"count":685,"name":"Approved modifications for the Airbus Helicopters AS350 AStar (\u00c9cureuil), now H125","note":"","unit":"supplemental type certificates","url":"https://eflight.com/models/airbus-helicopters/as350#airworthiness"},{"count":21,"name":"FAA orders naming the Turbomeca (Safran) ARRIEL 2B1","note":"","unit":"airworthiness directives","url":"https://eflight.com/engines/turbomeca-safran-arriel-2b1#airworthiness"},{"count":758,"name":"Failure reports on the Turbomeca (Safran) ARRIEL 2B1","note":"","unit":"reports since 1995","url":"https://eflight.com/engines/turbomeca-safran-arriel-2b1#airworthiness"}],"relation":"subject to"},{"group":"Analytics","items":[{"count":null,"name":"Accident history of the Airbus Helicopters AS350 AStar (\u00c9cureuil), now H125","note":"","unit":"","url":"https://eflight.com/models/airbus-helicopters/as350#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 N556SD is now","note":"","unit":"","url":"https://eflight.com/live?q=N556SD"}],"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":"Composite rotor blades and a composite Starflex rotor head."},"id":"N556SD","maker":"American Eurocopter Corp","model":"AS350B3","name":"American Eurocopter Corp AS350B3 N556SD","state":"TX","type":"aircraft","url":"https://eflight.com/aircraft/N556SD","year_built":2011},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}
