{"as_of":"2026-10-26","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Design","items":[{"count":81,"name":"Northrop","note":"","unit":"aircraft on the register","url":"https://eflight.com/makers/northrop"}],"relation":"is a"},{"group":"Owner","items":[{"count":74,"name":"Mid Atlantic Air Museum","note":"","unit":"aircraft in the fleet","url":"https://eflight.com/fleets/mid-atlantic-air-museum"}],"relation":"owned by"},{"group":"Place","items":[{"count":142,"name":"Reading, PA","note":"","unit":"aircraft registered in this town","url":""},{"count":null,"name":"Reading Rgnl/Carl A Spaatz Field","note":"RDG","unit":"","url":"https://eflight.com/airports/RDG"},{"count":6183,"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/N550NF#records-check"}],"relation":"involved in"},{"group":"Live","items":[{"count":null,"name":"Where N550NF is now","note":"","unit":"","url":"https://eflight.com/live?q=N550NF"}],"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":"N550NF","maker":"Northrop","model":"P-61","name":"Northrop P-61 N550NF","state":"PA","type":"aircraft","url":"https://eflight.com/aircraft/N550NF","year_built":null},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}