{"as_of":"2026-11-12","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Design","items":[{"count":7,"name":"Universal Moulded Products","note":"","unit":"aircraft on the register","url":"https://eflight.com/makers/universal-moulded-products"}],"relation":"is a"},{"group":"Engine","items":[{"count":9,"name":"Universal VELIE M5","note":"65 hp","unit":"aircraft with this engine series","url":"https://eflight.com/engines/universal-velie-m5"}],"relation":"powered by"},{"group":"Owner","items":[{"count":16,"name":"Golden Age Air Museum","note":"","unit":"aircraft in the fleet","url":"https://eflight.com/fleets/golden-age-air-museum"}],"relation":"owned by"},{"group":"Place","items":[{"count":36,"name":"Bethel, PA","note":"","unit":"aircraft registered in this town","url":""},{"count":null,"name":"Grimes Airport","note":"8N1","unit":"","url":"https://eflight.com/airports/8N1"},{"count":6195,"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/N6731#records-check"}],"relation":"involved in"},{"group":"Live","items":[{"count":null,"name":"Where N6731 is now","note":"","unit":"","url":"https://eflight.com/live?q=N6731"}],"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":"N6731","maker":"Universal Moulded Products","model":"MONOCOUPE 70","name":"Universal Moulded Products MONOCOUPE 70 N6731","state":"PA","type":"aircraft","url":"https://eflight.com/aircraft/N6731","year_built":1928},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}