{"as_of":"2026-10-05","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Fitted to","items":[{"count":10,"name":"Cessna 421 Golden Eagle","note":"","unit":"with this engine series","url":"https://eflight.com/models/cessna/421"}],"relation":"powers"},{"group":"Where they are","items":[{"count":3,"name":"Georgia","note":"","unit":"of these aircraft","url":"https://eflight.com/states/GA"},{"count":2,"name":"Oklahoma","note":"","unit":"of these aircraft","url":"https://eflight.com/states/OK"},{"count":1,"name":"Texas","note":"","unit":"of these aircraft","url":"https://eflight.com/states/TX"},{"count":1,"name":"New Mexico","note":"","unit":"of these aircraft","url":"https://eflight.com/states/NM"},{"count":1,"name":"Montana","note":"","unit":"of these aircraft","url":"https://eflight.com/states/MT"}],"relation":"registered in"},{"group":"Biggest operators","items":[{"count":1,"name":"Plane Fun INC Tr Trustee","note":"","unit":"of these aircraft","url":"https://eflight.com/fleets/plane-fun-inc-tr-trustee"}],"relation":"owned by"},{"group":"Airworthiness","items":[{"count":25,"name":"FAA orders naming the Continental GTSIO-520-N","note":"","unit":"airworthiness directives","url":"https://eflight.com/engines/continental-gtsio-520-n#airworthiness"},{"count":54,"name":"Failure reports on the Continental GTSIO-520-N","note":"","unit":"reports since 1995","url":"https://eflight.com/engines/continental-gtsio-520-n#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":10,"horsepower":375,"id":"continental-gtsio-520-n","maker":"Continental","name":"Continental GTSIO-520-N","thrust_lb":null,"type":"Piston (reciprocating)","url":"https://eflight.com/engines/continental-gtsio-520-n"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}