{"as_of":"2026-10-07","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Fitted to","items":[{"count":11,"name":"Cessna 441 Conquest II","note":"","unit":"with this engine series","url":"https://eflight.com/models/cessna/441"}],"relation":"powers"},{"group":"Where they are","items":[{"count":2,"name":"Missouri","note":"","unit":"of these aircraft","url":"https://eflight.com/states/MO"},{"count":2,"name":"Delaware","note":"","unit":"of these aircraft","url":"https://eflight.com/states/DE"},{"count":2,"name":"Colorado","note":"","unit":"of these aircraft","url":"https://eflight.com/states/CO"},{"count":1,"name":"U.S. Virgin Islands","note":"","unit":"of these aircraft","url":"https://eflight.com/states/VI"},{"count":1,"name":"Ohio","note":"","unit":"of these aircraft","url":"https://eflight.com/states/OH"}],"relation":"registered in"},{"group":"Biggest operators","items":[{"count":2,"name":"Csc Delaware Trust CO Trustee","note":"","unit":"of these aircraft","url":"https://eflight.com/fleets/csc-delaware-trust-co-trustee"},{"count":1,"name":"Surdex CORP","note":"","unit":"of these aircraft","url":"https://eflight.com/fleets/surdex-corp"}],"relation":"owned by"},{"group":"Airworthiness","items":[{"count":20,"name":"FAA orders naming the Honeywell TPE331-10N","note":"","unit":"airworthiness directives","url":"https://eflight.com/engines/honeywell-tpe331-10n#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":11,"horsepower":715,"id":"honeywell-tpe331-10n","maker":"Honeywell","name":"Honeywell TPE331-10N","thrust_lb":null,"type":"Turboprop","url":"https://eflight.com/engines/honeywell-tpe331-10n"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}