{"as_of":"2026-10-29","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Design","items":[{"count":3,"name":"Sampson","note":"","unit":"aircraft on the register","url":"https://eflight.com/makers/sampson"}],"relation":"is a"},{"group":"Engine","items":[{"count":7965,"name":"Continental A65 / C65 series","note":"65 hp","unit":"aircraft with this engine series","url":"https://eflight.com/engines/continental-a65-c65-series"}],"relation":"powered by"},{"group":"Place","items":[{"count":19,"name":"Valley City, ND","note":"","unit":"aircraft registered in this town","url":""},{"count":null,"name":"Barnes County Municipal","note":"BAC","unit":"","url":"https://eflight.com/airports/BAC"},{"count":2493,"name":"North Dakota","note":"","unit":"aircraft registered","url":"https://eflight.com/states/ND"}],"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/N12939#records-check"}],"relation":"involved in"},{"group":"Live","items":[{"count":null,"name":"Where N12939 is now","note":"","unit":"","url":"https://eflight.com/live?q=N12939"}],"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":"N12939","maker":"Sampson","model":"PIETENPOL AIRCAMPER","name":"Sampson PIETENPOL AIRCAMPER N12939","state":"ND","type":"aircraft","url":"https://eflight.com/aircraft/N12939","year_built":1972},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}