{"as_of":"2026-10-28","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Fitted to","items":[{"count":1,"name":"Grumman HU-16","note":"","unit":"with this engine series","url":"https://eflight.com/models/grumman/hu-16"},{"count":1,"name":"Grumman Aircraft Eng Corp G-111","note":"","unit":"with this engine series","url":"https://eflight.com/models/grumman-aircraft-eng-corp/g-111"},{"count":1,"name":"Sikorsky S-58","note":"","unit":"with this engine series","url":"https://eflight.com/models/sikorsky/s-58"}],"relation":"powers"},{"group":"Where they are","items":[{"count":2,"name":"Missouri","note":"","unit":"of these aircraft","url":"https://eflight.com/states/MO"},{"count":1,"name":"Texas","note":"","unit":"of these aircraft","url":"https://eflight.com/states/TX"}],"relation":"registered in"},{"group":"Biggest operators","items":[{"count":2,"name":"Barron Aviation LLC","note":"","unit":"of these aircraft","url":"https://eflight.com/fleets/barron-aviation-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":3,"horsepower":1525,"id":"wright-c9he-series","maker":"Wright","name":"Wright C9HE series","thrust_lb":null,"type":"Piston (reciprocating)","url":"https://eflight.com/engines/wright-c9he-series"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}