{"as_of":"2026-10-05","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Fitted to","items":[{"count":1,"name":"Sikorsky S-76","note":"","unit":"with this engine series","url":"https://eflight.com/models/sikorsky/s-76"}],"relation":"powers"},{"group":"Where they are","items":[{"count":1,"name":"California","note":"","unit":"of these aircraft","url":"https://eflight.com/states/CA"}],"relation":"registered in"},{"group":"Airworthiness","items":[{"count":18,"name":"FAA orders naming the Turbomeca (Safran) ARRIEL 1S","note":"","unit":"airworthiness directives","url":"https://eflight.com/engines/turbomeca-safran-arriel-1s#airworthiness"},{"count":93,"name":"Failure reports on the Turbomeca (Safran) ARRIEL 1S","note":"","unit":"reports since 1995","url":"https://eflight.com/engines/turbomeca-safran-arriel-1s#airworthiness"}],"relation":"subject to"},{"group":"Analytics","items":[{"count":null,"name":"The fleet by engine type","note":"","unit":"","url":"https://eflight.com/analytics/fleet"},{"count":null,"name":"Every engine series","note":"","unit":"","url":"https://eflight.com/engines"}],"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":{"aircraft":1,"horsepower":701,"id":"turbomeca-safran-arriel-1s","maker":"Turbomeca (Safran)","name":"Turbomeca (Safran) ARRIEL 1S","thrust_lb":null,"type":"Turboshaft","url":"https://eflight.com/engines/turbomeca-safran-arriel-1s"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}