{"as_of":"2026-10-12","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Fitted to","items":[{"count":15,"name":"Bell 206 JetRanger and LongRanger","note":"","unit":"with this engine series","url":"https://eflight.com/models/bell/206"},{"count":1,"name":"Bell TH-57","note":"","unit":"with this engine series","url":"https://eflight.com/models/bell/th-57"}],"relation":"powers"},{"group":"Where they are","items":[{"count":3,"name":"Oklahoma","note":"","unit":"of these aircraft","url":"https://eflight.com/states/OK"},{"count":3,"name":"Florida","note":"","unit":"of these aircraft","url":"https://eflight.com/states/FL"},{"count":2,"name":"Texas","note":"","unit":"of these aircraft","url":"https://eflight.com/states/TX"},{"count":2,"name":"Minnesota","note":"","unit":"of these aircraft","url":"https://eflight.com/states/MN"},{"count":2,"name":"Delaware","note":"","unit":"of these aircraft","url":"https://eflight.com/states/DE"}],"relation":"registered in"},{"group":"Biggest operators","items":[{"count":1,"name":"Scotts Helicopter Service INC","note":"","unit":"of these aircraft","url":"https://eflight.com/fleets/scotts-helicopter-service-inc"},{"count":1,"name":"Scotts Helicopter Service","note":"","unit":"of these aircraft","url":"https://eflight.com/fleets/scotts-helicopter-service"}],"relation":"owned by"},{"group":"Airworthiness","items":[{"count":58,"name":"Failure reports on the Allison (Rolls-Royce) 250-C20J","note":"","unit":"reports since 1995","url":"https://eflight.com/engines/allison-rolls-royce-250-c20j#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":16,"horsepower":420,"id":"allison-rolls-royce-250-c20j","maker":"Allison (Rolls-Royce)","name":"Allison (Rolls-Royce) 250-C20J","thrust_lb":null,"type":"Turboshaft","url":"https://eflight.com/engines/allison-rolls-royce-250-c20j"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}