{"as_of":"2026-10-26","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Design","items":[{"count":134,"name":"Universal Stinson 108","note":"","unit":"registered","url":"https://eflight.com/models/universal-stinson/108"},{"count":134,"name":"Universal Stinson","note":"","unit":"aircraft on the register","url":"https://eflight.com/makers/universal-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":770,"name":"Franklin 6A4165 series","note":"165 hp","unit":"aircraft with this engine series","url":"https://eflight.com/engines/franklin-6a4165-series"}],"relation":"powered by"},{"group":"Place","items":[{"count":21,"name":"Fairfield, IA","note":"","unit":"aircraft registered in this town","url":""},{"count":null,"name":"Fairfield Municipal","note":"FFL","unit":"","url":"https://eflight.com/airports/FFL"},{"count":4504,"name":"Iowa","note":"","unit":"aircraft registered","url":"https://eflight.com/states/IA"}],"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/N399C#records-check"}],"relation":"involved in"},{"group":"Airworthiness","items":[{"count":44,"name":"Failure reports on the Franklin 6A4165 series","note":"","unit":"reports since 1995","url":"https://eflight.com/engines/franklin-6a4165-series#airworthiness"}],"relation":"subject to"},{"group":"Analytics","items":[{"count":null,"name":"Accident history of the Universal Stinson 108","note":"","unit":"","url":"https://eflight.com/models/universal-stinson/108#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 N399C is now","note":"","unit":"","url":"https://eflight.com/live?q=N399C"}],"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":"Many have had the fabric replaced with metal skins under an approved modification."},"id":"N399C","maker":"Universal Stinson","model":"108-2","name":"Universal Stinson 108-2 N399C","state":"IA","type":"aircraft","url":"https://eflight.com/aircraft/N399C","year_built":1947},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}
