{"as_of":"2026-10-29","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Design","items":[{"count":1,"name":"Swanson Carl R/Swanson Aero","note":"","unit":"aircraft on the register","url":""}],"relation":"is a"},{"group":"Engine","items":[{"count":8,"name":"Gnome ROTARY","note":"160 hp","unit":"aircraft with this engine series","url":"https://eflight.com/engines/gnome-rotary"}],"relation":"powered by"},{"group":"Owner","items":[{"count":25,"name":"Windward Aviation INC","note":"","unit":"aircraft in the fleet","url":"https://eflight.com/fleets/windward-aviation-inc"}],"relation":"owned by"},{"group":"Place","items":[{"count":1,"name":"Seatle, WA","note":"","unit":"aircraft registered in this town","url":""},{"count":10570,"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/N5597M#records-check"}],"relation":"involved in"},{"group":"Live","items":[{"count":null,"name":"Where N5597M is now","note":"","unit":"","url":"https://eflight.com/live?q=N5597M"}],"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":"N5597M","maker":"Swanson Carl R/Swanson Aero","model":"NIEUPORT 27","name":"Swanson Carl R/Swanson Aero NIEUPORT 27 N5597M","state":"WA","type":"aircraft","url":"https://eflight.com/aircraft/N5597M","year_built":1980},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}