{"as_of":"2026-10-23","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Fitted to","items":[{"count":4,"name":"Robinson R66","note":"","unit":"with this engine series","url":"https://eflight.com/models/robinson/r66"}],"relation":"powers"},{"group":"Where they are","items":[{"count":1,"name":"Texas","note":"","unit":"of these aircraft","url":"https://eflight.com/states/TX"},{"count":1,"name":"Missouri","note":"","unit":"of these aircraft","url":"https://eflight.com/states/MO"},{"count":1,"name":"Illinois","note":"","unit":"of these aircraft","url":"https://eflight.com/states/IL"},{"count":1,"name":"Iowa","note":"","unit":"of these aircraft","url":"https://eflight.com/states/IA"}],"relation":"registered in"},{"group":"Biggest operators","items":[{"count":1,"name":"Higgins Leasing INC","note":"","unit":"of these aircraft","url":"https://eflight.com/fleets/higgins-leasing-inc"}],"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":4,"horsepower":240,"id":"rolls-royce-rr300","maker":"Rolls-Royce","name":"Rolls-Royce RR300","thrust_lb":null,"type":"Turboshaft","url":"https://eflight.com/engines/rolls-royce-rr300"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}