{"as_of":"2026-10-23","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Design","items":[{"count":25,"name":"Stinson SR-9","note":"","unit":"registered","url":"https://eflight.com/models/stinson/sr-9"},{"count":1730,"name":"Stinson","note":"","unit":"aircraft on the register","url":"https://eflight.com/makers/stinson"},{"count":null,"name":"Built of steel tube and fabric","note":"as the model family is built; the register does not record it per aircraft","unit":"","url":"https://eflight.com/materials/steel-fabric"}],"relation":"is a"},{"group":"Engine","items":[{"count":218,"name":"Lycoming R680","note":"215 hp","unit":"aircraft with this engine series","url":"https://eflight.com/engines/lycoming-r680"}],"relation":"powered by"},{"group":"Place","items":[{"count":50,"name":"Stanwood, WA","note":"","unit":"aircraft registered in this town","url":""},{"count":null,"name":"Camano Island Airfield","note":"13W","unit":"","url":"https://eflight.com/airports/13W"},{"count":10570,"name":"Washington","note":"","unit":"aircraft registered","url":"https://eflight.com/states/WA"}],"relation":"registered in"},{"group":"Record","items":[{"count":null,"name":"No NTSB accident or incident record under this tail number","note":"","unit":"","url":"https://eflight.com/aircraft/N18423#records-check"}],"relation":"involved in"},{"group":"Airworthiness","items":[{"count":8,"name":"Approved modifications for the Stinson SR-9","note":"","unit":"supplemental type certificates","url":"https://eflight.com/models/stinson/sr-9#airworthiness"},{"count":5,"name":"FAA orders naming the Lycoming R680","note":"","unit":"airworthiness directives","url":"https://eflight.com/engines/lycoming-r680#airworthiness"}],"relation":"subject to"},{"group":"Analytics","items":[{"count":null,"name":"Accident history of the Stinson SR-9","note":"","unit":"","url":"https://eflight.com/models/stinson/sr-9#accidents"},{"count":null,"name":"Accidents by model, with rates per thousand registered","note":"","unit":"","url":"https://eflight.com/analytics/accidents-by-model"}],"relation":"compared in"},{"group":"Live","items":[{"count":null,"name":"Where N18423 is now","note":"","unit":"","url":"https://eflight.com/live?q=N18423"}],"relation":"seen at"}],"graph":"https://eflight.com/graph","graph_index":"https://eflight.com/graph/index.json","license":"https://creativecommons.org/licenses/by/4.0/","node":{"built_of":{"inherited_from_model":true,"material":"steel-fabric","name":"steel tube and fabric","note":"The Reliant: steel-tube fuselage under fabric."},"id":"N18423","maker":"Stinson","model":"SR-9C","name":"Stinson SR-9C N18423","state":"WA","type":"aircraft","url":"https://eflight.com/aircraft/N18423","year_built":1937},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}
