{"as_of":"2026-11-13","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Design","items":[{"count":14,"name":"Schleicher AS-K13","note":"","unit":"registered","url":"https://eflight.com/models/schleicher/as-k13"},{"count":506,"name":"Schleicher","note":"","unit":"aircraft on the register","url":"https://eflight.com/makers/schleicher"},{"count":null,"name":"Built of steel tube, wood and fabric","note":"as the model family is built; the register does not record it per aircraft","unit":"","url":"https://eflight.com/materials/steel-wood-fabric"}],"relation":"is a"},{"group":"Place","items":[{"count":162,"name":"Ann Arbor, MI","note":"","unit":"aircraft registered in this town","url":""},{"count":null,"name":"Ann Arbor Municipal","note":"ARB","unit":"","url":"https://eflight.com/airports/ARB"},{"count":7236,"name":"Michigan","note":"","unit":"aircraft registered","url":"https://eflight.com/states/MI"}],"relation":"registered in"},{"group":"Record","items":[{"count":null,"name":"Accident on December 14, 2006 at Gregory, MI: no injuries, substantial damage","note":"","unit":"","url":"https://eflight.com/accidents/CHI07CA040"}],"relation":"involved in"},{"group":"Airworthiness","items":[{"count":7,"name":"FAA orders naming the Schleicher AS-K13","note":"","unit":"airworthiness directives","url":"https://eflight.com/models/schleicher/as-k13#airworthiness"},{"count":7,"name":"Approved modifications for the Schleicher AS-K13","note":"","unit":"supplemental type certificates","url":"https://eflight.com/models/schleicher/as-k13#airworthiness"}],"relation":"subject to"},{"group":"Analytics","items":[{"count":null,"name":"Accident history of the Schleicher AS-K13","note":"","unit":"","url":"https://eflight.com/models/schleicher/as-k13#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 N545TT is now","note":"","unit":"","url":"https://eflight.com/live?q=N545TT"}],"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-wood-fabric","name":"steel tube, wood and fabric","note":"A glider of wood and fabric, with a steel-tube fuselage frame on some versions."},"id":"N545TT","maker":"Schleicher","model":"AS-K13","name":"Schleicher AS-K13 N545TT","state":"MI","type":"aircraft","url":"https://eflight.com/aircraft/N545TT","year_built":1968},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}