{"as_of":"2026-11-04","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Design","items":[{"count":72685,"name":"Cessna","note":"","unit":"aircraft on the register","url":"https://eflight.com/makers/cessna"},{"count":140,"name":"Cessna T310R","note":"","unit":"registered","url":"https://eflight.com/models/cessna/t-310?variant=T310R"},{"count":50,"name":"Cessna T310Q","note":"","unit":"registered","url":"https://eflight.com/models/cessna/t-310?variant=T310Q"},{"count":16,"name":"Cessna T-310P","note":"","unit":"registered","url":"https://eflight.com/models/cessna/t-310?variant=T-310P"},{"count":1,"name":"Cessna T310","note":"","unit":"registered","url":"https://eflight.com/models/cessna/t-310?variant=T310"},{"count":null,"name":"Built of aluminium","note":"","unit":"","url":"https://eflight.com/materials/aluminium"}],"relation":"made by"},{"group":"Engines","items":[{"count":154,"name":"Continental TSIO-520 series","note":"300 hp","unit":"of these aircraft","url":"https://eflight.com/engines/continental-tsio-520-series"},{"count":9,"name":"Continental GTSIO-520-C","note":"340 hp","unit":"of these aircraft","url":"https://eflight.com/engines/continental-gtsio-520-c"},{"count":8,"name":"Continental IO-520 series","note":"285 hp","unit":"of these aircraft","url":"https://eflight.com/engines/continental-io-520-series"},{"count":6,"name":"Continental TSIO-520-B","note":"285 hp","unit":"of these aircraft","url":"https://eflight.com/engines/continental-tsio-520-b"},{"count":2,"name":"Continental IO-470 series","note":"260 hp","unit":"of these aircraft","url":"https://eflight.com/engines/continental-io-470-series"}],"relation":"powered by"},{"group":"Where they are","items":[{"count":23,"name":"California","note":"","unit":"of these aircraft","url":"https://eflight.com/states/CA"},{"count":17,"name":"Texas","note":"","unit":"of these aircraft","url":"https://eflight.com/states/TX"},{"count":16,"name":"Florida","note":"","unit":"of these aircraft","url":"https://eflight.com/states/FL"},{"count":14,"name":"Pennsylvania","note":"","unit":"of these aircraft","url":"https://eflight.com/states/PA"},{"count":10,"name":"Oregon","note":"","unit":"of these aircraft","url":"https://eflight.com/states/OR"}],"relation":"registered in"},{"group":"Biggest operators","items":[{"count":8,"name":"Keystone Aerial Surveys INC","note":"","unit":"of these aircraft","url":"https://eflight.com/fleets/keystone-aerial-surveys-inc"},{"count":6,"name":"Marc INC","note":"","unit":"of these aircraft","url":"https://eflight.com/fleets/marc-inc"},{"count":6,"name":"Gv Air INC","note":"","unit":"of these aircraft","url":"https://eflight.com/fleets/gv-air-inc"},{"count":2,"name":"Krs Aerial INC","note":"","unit":"of these aircraft","url":"https://eflight.com/search?q=Krs Aerial INC"},{"count":2,"name":"American Aerial Survey INC","note":"","unit":"of these aircraft","url":"https://eflight.com/search?q=American Aerial Survey INC"}],"relation":"owned by"},{"group":"Record","items":[{"count":56,"name":"NTSB accidents and incidents involving the T-310","note":"20 fatal","unit":"cases since 1982","url":"https://eflight.com/models/cessna/t-310#accidents"},{"count":13,"name":"FAA filings this year on these aircraft","note":"9 bill of sale, 2 loan release, 2 loan or lien","unit":"filings","url":""}],"relation":"involved in"},{"group":"Airworthiness","items":[{"count":20,"name":"FAA orders naming the T-310","note":"","unit":"airworthiness directives","url":"https://eflight.com/models/cessna/t-310#airworthiness"},{"count":84,"name":"Failure reports filed on the T-310","note":"","unit":"reports since 1995","url":"https://eflight.com/models/cessna/t-310#airworthiness"},{"count":296,"name":"Approved modifications for the T-310","note":"","unit":"supplemental type certificates","url":"https://eflight.com/models/cessna/t-310#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/t-310","name":"Cessna T-310","registered":207,"type":"model","url":"https://eflight.com/models/cessna/t-310","versions":4},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}