{"as_of":"2026-11-06","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Design","items":[{"count":0,"name":"Daher (Socata)","note":"","unit":"aircraft on the register","url":""},{"count":50,"name":"Daher (Socata) TB21","note":"","unit":"registered","url":"https://eflight.com/models/daher-socata/tb21?variant=TB21"},{"count":7,"name":"Daher (Socata) TB21TC","note":"","unit":"registered","url":"https://eflight.com/models/daher-socata/tb21?variant=TB21TC"},{"count":null,"name":"Built of aluminium","note":"","unit":"","url":"https://eflight.com/materials/aluminium"}],"relation":"made by"},{"group":"Engines","items":[{"count":49,"name":"Lycoming TIO-540 series","note":"310 hp","unit":"of these aircraft","url":"https://eflight.com/engines/lycoming-tio-540-series"},{"count":5,"name":"Lycoming IO-540 series","note":"300 hp","unit":"of these aircraft","url":"https://eflight.com/engines/lycoming-io-540-series"}],"relation":"powered by"},{"group":"Where they are","items":[{"count":8,"name":"California","note":"","unit":"of these aircraft","url":"https://eflight.com/states/CA"},{"count":5,"name":"Wyoming","note":"","unit":"of these aircraft","url":"https://eflight.com/states/WY"},{"count":4,"name":"Texas","note":"","unit":"of these aircraft","url":"https://eflight.com/states/TX"},{"count":4,"name":"Oklahoma","note":"","unit":"of these aircraft","url":"https://eflight.com/states/OK"},{"count":4,"name":"Ohio","note":"","unit":"of these aircraft","url":"https://eflight.com/states/OH"}],"relation":"registered in"},{"group":"Biggest operators","items":[{"count":3,"name":"Southern Aircraft Consultancy INC Trustee","note":"","unit":"of these aircraft","url":"https://eflight.com/fleets/southern-aircraft-consultancy-inc-trustee"},{"count":3,"name":"Aircraft Guaranty CORP Trustee","note":"","unit":"of these aircraft","url":"https://eflight.com/fleets/aircraft-guaranty-corp-trustee"},{"count":1,"name":"Western Community College Area DBA","note":"","unit":"of these aircraft","url":"https://eflight.com/search?q=Western Community College Area DBA"},{"count":1,"name":"Valiair Limited Company Trustee","note":"","unit":"of these aircraft","url":"https://eflight.com/fleets/valiair-limited-company-trustee"},{"count":1,"name":"Tvpx Aircraft Solutions INC Trustee","note":"","unit":"of these aircraft","url":"https://eflight.com/fleets/tvpx-aircraft-solutions-inc-trustee"}],"relation":"owned by"},{"group":"Record","items":[{"count":7,"name":"NTSB accidents and incidents involving the TB21","note":"4 fatal","unit":"cases since 1982","url":"https://eflight.com/models/daher-socata/tb21#accidents"},{"count":6,"name":"FAA filings this year on these aircraft","note":"3 loan release, 3 bill of sale","unit":"filings","url":""}],"relation":"involved in"},{"group":"Airworthiness","items":[{"count":23,"name":"FAA orders naming the TB21","note":"","unit":"airworthiness directives","url":"https://eflight.com/models/daher-socata/tb21#airworthiness"},{"count":17,"name":"Failure reports filed on the TB21","note":"","unit":"reports since 1995","url":"https://eflight.com/models/daher-socata/tb21#airworthiness"},{"count":184,"name":"Approved modifications for the TB21","note":"","unit":"supplemental type certificates","url":"https://eflight.com/models/daher-socata/tb21#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":"daher-socata/tb21","name":"Daher (Socata) TB21","registered":57,"type":"model","url":"https://eflight.com/models/daher-socata/tb21","versions":2},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}
