{"as_of":"2026-11-09","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Fitted to","items":[{"count":2,"name":"Md Helicopters Llc 369","note":"","unit":"with this engine series","url":"https://eflight.com/models/md-helicopters-llc/369"}],"relation":"powers"},{"group":"Where they are","items":[{"count":2,"name":"Arizona","note":"","unit":"of these aircraft","url":"https://eflight.com/states/AZ"}],"relation":"registered in"},{"group":"Biggest operators","items":[{"count":2,"name":"Md Helicopters LLC","note":"","unit":"of these aircraft","url":"https://eflight.com/fleets/md-helicopters-llc"}],"relation":"owned by"},{"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":2,"horsepower":650,"id":"rolls-royce-520-c30","maker":"Rolls-Royce","name":"Rolls-Royce 520-C30","thrust_lb":null,"type":"Turboshaft","url":"https://eflight.com/engines/rolls-royce-520-c30"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}