{"as_of":"2026-10-26","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Design","items":[{"count":104,"name":"Interstate S-1","note":"","unit":"registered","url":"https://eflight.com/models/interstate/s-1"},{"count":107,"name":"Interstate","note":"","unit":"aircraft on the register","url":"https://eflight.com/makers/interstate"},{"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":"Place","items":[{"count":43,"name":"Deer Park, WA","note":"","unit":"aircraft registered in this town","url":""},{"count":null,"name":"Deer Park Airport","note":"DEW","unit":"","url":"https://eflight.com/airports/DEW"},{"count":10571,"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/N537KT#records-check"}],"relation":"involved in"},{"group":"Airworthiness","items":[{"count":53,"name":"Approved modifications for the Interstate S-1","note":"","unit":"supplemental type certificates","url":"https://eflight.com/models/interstate/s-1#airworthiness"}],"relation":"subject to"},{"group":"Analytics","items":[{"count":null,"name":"Accident history of the Interstate S-1","note":"","unit":"","url":"https://eflight.com/models/interstate/s-1#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 N537KT is now","note":"","unit":"","url":"https://eflight.com/live?q=N537KT"}],"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":null},"id":"N537KT","maker":"Interstate","model":"S-1B1","name":"Interstate S-1B1 N537KT","state":"WA","type":"aircraft","url":"https://eflight.com/aircraft/N537KT","year_built":null},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}
