{"as_of":"2026-10-30","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Design","items":[{"count":72684,"name":"Cessna","note":"","unit":"aircraft on the register","url":"https://eflight.com/makers/cessna"},{"count":31,"name":"Cessna P337H","note":"","unit":"registered","url":"https://eflight.com/models/cessna/p337?variant=P337H"},{"count":2,"name":"Cessna P337","note":"","unit":"registered","url":"https://eflight.com/models/cessna/p337?variant=P337"},{"count":null,"name":"Built of aluminium","note":"","unit":"","url":"https://eflight.com/materials/aluminium"}],"relation":"made by"},{"group":"Engines","items":[{"count":21,"name":"Continental TSIO-360 series","note":"225 hp","unit":"of these aircraft","url":"https://eflight.com/engines/continental-tsio-360-series"},{"count":1,"name":"Continental TSIO-360-CB","note":"225 hp","unit":"of these aircraft","url":"https://eflight.com/engines/continental-tsio-360-cb"},{"count":1,"name":"Continental TSIO-520 series","note":"300 hp","unit":"of these aircraft","url":"https://eflight.com/engines/continental-tsio-520-series"},{"count":1,"name":"Continental IO-520 series","note":"285 hp","unit":"of these aircraft","url":"https://eflight.com/engines/continental-io-520-series"}],"relation":"powered by"},{"group":"Where they are","items":[{"count":4,"name":"Texas","note":"","unit":"of these aircraft","url":"https://eflight.com/states/TX"},{"count":4,"name":"Florida","note":"","unit":"of these aircraft","url":"https://eflight.com/states/FL"},{"count":3,"name":"Delaware","note":"","unit":"of these aircraft","url":"https://eflight.com/states/DE"},{"count":2,"name":"Washington","note":"","unit":"of these aircraft","url":"https://eflight.com/states/WA"},{"count":2,"name":"Montana","note":"","unit":"of these aircraft","url":"https://eflight.com/states/MT"}],"relation":"registered in"},{"group":"Biggest operators","items":[{"count":2,"name":"Stefenelli Aviation N-Tr INC Trustee","note":"","unit":"of these aircraft","url":"https://eflight.com/fleets/stefenelli-aviation-n-tr-inc-trustee"},{"count":1,"name":"Timberland Skyways LLC","note":"","unit":"of these aircraft","url":"https://eflight.com/search?q=Timberland Skyways LLC"},{"count":1,"name":"Skymaster Mods & Parts LLC","note":"","unit":"of these aircraft","url":"https://eflight.com/search?q=Skymaster Mods & Parts LLC"},{"count":1,"name":"Skymaster Adventures LLC","note":"","unit":"of these aircraft","url":"https://eflight.com/search?q=Skymaster Adventures LLC"},{"count":1,"name":"Sky West Aviation INC Trustee","note":"","unit":"of these aircraft","url":"https://eflight.com/fleets/sky-west-aviation-inc-trustee"}],"relation":"owned by"},{"group":"Record","items":[{"count":16,"name":"NTSB accidents and incidents involving the P337","note":"5 fatal","unit":"cases since 1982","url":"https://eflight.com/models/cessna/p337#accidents"}],"relation":"involved in"},{"group":"Airworthiness","items":[{"count":9,"name":"FAA orders naming the P337","note":"","unit":"airworthiness directives","url":"https://eflight.com/models/cessna/p337#airworthiness"},{"count":9,"name":"Failure reports filed on the P337","note":"","unit":"reports since 1995","url":"https://eflight.com/models/cessna/p337#airworthiness"},{"count":193,"name":"Approved modifications for the P337","note":"","unit":"supplemental type certificates","url":"https://eflight.com/models/cessna/p337#airworthiness"}],"relation":"subject to"},{"group":"Analytics","items":[{"count":null,"name":"Accidents by model, with rates per thousand registered","note":"","unit":"","url":"https://eflight.com/analytics/accidents-by-model"},{"count":null,"name":"The fleet by kind, state and age","note":"","unit":"","url":"https://eflight.com/analytics/fleet"},{"count":null,"name":"Biggest makers and model families","note":"","unit":"","url":"https://eflight.com/analytics/makers"}],"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":{"built_of":{"material":"aluminium","name":"aluminium","note":null},"id":"cessna/p337","name":"Cessna P337","registered":33,"type":"model","url":"https://eflight.com/models/cessna/p337","versions":2},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}