{"as_of":"2026-11-06","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Design","items":[{"count":1,"name":"Daniel Walter Nachbar","note":"","unit":"aircraft on the register","url":"https://eflight.com/makers/daniel-walter-nachbar"}],"relation":"is a"},{"group":"Place","items":[{"count":10,"name":"Amherst, MA","note":"","unit":"aircraft registered in this town","url":""},{"count":2646,"name":"Massachusetts","note":"","unit":"aircraft registered","url":"https://eflight.com/states/MA"}],"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/N881MB#records-check"}],"relation":"involved in"},{"group":"Live","items":[{"count":null,"name":"Where N881MB is now","note":"","unit":"","url":"https://eflight.com/live?q=N881MB"}],"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":"N881MB","maker":"Daniel Walter Nachbar","model":"MB-1","name":"Daniel Walter Nachbar MB-1 N881MB","state":"MA","type":"aircraft","url":"https://eflight.com/aircraft/N881MB","year_built":null},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}