{"as_of":"2026-10-27","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Design","items":[{"count":72688,"name":"Cessna","note":"","unit":"aircraft on the register","url":"https://eflight.com/makers/cessna"},{"count":1300,"name":"Cessna 170B","note":"","unit":"registered","url":"https://eflight.com/models/cessna/170?variant=170B"},{"count":513,"name":"Cessna 170A","note":"","unit":"registered","url":"https://eflight.com/models/cessna/170?variant=170A"},{"count":272,"name":"Cessna 170","note":"","unit":"registered","url":"https://eflight.com/models/cessna/170?variant=170"},{"count":null,"name":"Built of aluminium","note":"The original 1948 170 had fabric-covered wings; the 170A and 170B are all-metal.","unit":"","url":"https://eflight.com/materials/aluminium"}],"relation":"made by"},{"group":"Engines","items":[{"count":1541,"name":"Continental C145 series","note":"145 hp","unit":"of these aircraft","url":"https://eflight.com/engines/continental-c145-series"},{"count":372,"name":"Continental O-300 series","note":"145 hp","unit":"of these aircraft","url":"https://eflight.com/engines/continental-o-300-series"},{"count":31,"name":"Lycoming O-360 / VO-360 series","note":"180 hp","unit":"of these aircraft","url":"https://eflight.com/engines/lycoming-o-360-vo-360-series"},{"count":15,"name":"Lycoming O-340 series","note":"170 hp","unit":"of these aircraft","url":"https://eflight.com/engines/lycoming-o-340-series"},{"count":10,"name":"Continental O-300-A","note":"145 hp","unit":"of these aircraft","url":"https://eflight.com/engines/continental-o-300-a"}],"relation":"powered by"},{"group":"Where they are","items":[{"count":319,"name":"Alaska","note":"","unit":"of these aircraft","url":"https://eflight.com/states/AK"},{"count":163,"name":"California","note":"","unit":"of these aircraft","url":"https://eflight.com/states/CA"},{"count":145,"name":"Texas","note":"","unit":"of these aircraft","url":"https://eflight.com/states/TX"},{"count":127,"name":"Washington","note":"","unit":"of these aircraft","url":"https://eflight.com/states/WA"},{"count":77,"name":"Florida","note":"","unit":"of these aircraft","url":"https://eflight.com/states/FL"}],"relation":"registered in"},{"group":"Biggest operators","items":[{"count":8,"name":"Sutton Aircraft Salvage LLC","note":"","unit":"of these aircraft","url":"https://eflight.com/fleets/sutton-aircraft-salvage-llc"},{"count":5,"name":"Southern Aircraft Consultancy INC Trustee","note":"","unit":"of these aircraft","url":"https://eflight.com/fleets/southern-aircraft-consultancy-inc-trustee"},{"count":4,"name":"Racoon Aviation LLC","note":"","unit":"of these aircraft","url":"https://eflight.com/fleets/racoon-aviation-llc"},{"count":4,"name":"Plane Fun INC Tr Trustee","note":"","unit":"of these aircraft","url":"https://eflight.com/fleets/plane-fun-inc-tr-trustee"},{"count":4,"name":"International Air Services INC Trustee","note":"","unit":"of these aircraft","url":"https://eflight.com/fleets/international-air-services-inc-trustee"}],"relation":"owned by"},{"group":"Record","items":[{"count":737,"name":"NTSB accidents and incidents involving the 170","note":"61 fatal","unit":"cases since 1982","url":"https://eflight.com/models/cessna/170#accidents"},{"count":46,"name":"FAA filings this year on these aircraft","note":"42 bill of sale, 4 loan or lien","unit":"filings","url":""}],"relation":"involved in"},{"group":"Airworthiness","items":[{"count":16,"name":"FAA orders naming the 170","note":"","unit":"airworthiness directives","url":"https://eflight.com/models/cessna/170#airworthiness"},{"count":60,"name":"Failure reports filed on the 170","note":"","unit":"reports since 1995","url":"https://eflight.com/models/cessna/170#airworthiness"},{"count":293,"name":"Approved modifications for the 170","note":"","unit":"supplemental type certificates","url":"https://eflight.com/models/cessna/170#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":"The original 1948 170 had fabric-covered wings; the 170A and 170B are all-metal."},"id":"cessna/170","name":"Cessna 170","registered":2085,"type":"model","url":"https://eflight.com/models/cessna/170","versions":3},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}
