{"as_of":"2026-10-05","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Fitted to","items":[{"count":9,"name":"Md Helicopters Inc 369","note":"","unit":"with this engine series","url":"https://eflight.com/models/md-helicopters-inc/369"},{"count":8,"name":"Md Helicopters Inc 500","note":"","unit":"with this engine series","url":"https://eflight.com/models/md-helicopters-inc/500"},{"count":5,"name":"Mcdonnell Douglas Helicopter 500","note":"","unit":"with this engine series","url":"https://eflight.com/models/mcdonnell-douglas-helicopter/500"},{"count":1,"name":"Hughes Helicopters Inc HUGHES 369","note":"","unit":"with this engine series","url":"https://eflight.com/models/hughes-helicopters-inc/hughes-369"},{"count":1,"name":"Mcdonnell Douglas Helicopter 369","note":"","unit":"with this engine series","url":"https://eflight.com/models/mcdonnell-douglas-helicopter/369"}],"relation":"powers"},{"group":"Where they are","items":[{"count":4,"name":"Hawaii","note":"","unit":"of these aircraft","url":"https://eflight.com/states/HI"},{"count":3,"name":"Missouri","note":"","unit":"of these aircraft","url":"https://eflight.com/states/MO"},{"count":2,"name":"Maryland","note":"","unit":"of these aircraft","url":"https://eflight.com/states/MD"},{"count":2,"name":"Georgia","note":"","unit":"of these aircraft","url":"https://eflight.com/states/GA"},{"count":2,"name":"Florida","note":"","unit":"of these aircraft","url":"https://eflight.com/states/FL"}],"relation":"registered in"},{"group":"Airworthiness","items":[{"count":14,"name":"FAA orders naming the Rolls-Royce 250-C20R/2","note":"","unit":"airworthiness directives","url":"https://eflight.com/engines/rolls-royce-250-c20r-2#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":24,"horsepower":450,"id":"rolls-royce-250-c20r-2","maker":"Rolls-Royce","name":"Rolls-Royce 250-C20R/2","thrust_lb":null,"type":"Turboshaft","url":"https://eflight.com/engines/rolls-royce-250-c20r-2"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}