{"as_of":"2026-10-23","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Design","items":[{"count":1,"name":"William Cooper","note":"","unit":"aircraft on the register","url":"https://eflight.com/makers/william-cooper"}],"relation":"is a"},{"group":"Place","items":[{"count":43,"name":"Lebanon, PA","note":"","unit":"aircraft registered in this town","url":""},{"count":null,"name":"Keller Brothers Airport","note":"08N","unit":"","url":"https://eflight.com/airports/08N"},{"count":6182,"name":"Pennsylvania","note":"","unit":"aircraft registered","url":"https://eflight.com/states/PA"}],"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/N537RS#records-check"}],"relation":"involved in"},{"group":"Live","items":[{"count":null,"name":"Where N537RS is now","note":"","unit":"","url":"https://eflight.com/live?q=N537RS"}],"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":null,"id":"N537RS","maker":"William Cooper","model":"MILLER SPORT WM2","name":"William Cooper MILLER SPORT WM2 N537RS","state":"PA","type":"aircraft","url":"https://eflight.com/aircraft/N537RS","year_built":null},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}