{"as_of":"2026-10-30","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Design","items":[{"count":47,"name":"Avian Balloon","note":"","unit":"aircraft on the register","url":"https://eflight.com/makers/avian-balloon"}],"relation":"is a"},{"group":"Place","items":[{"count":42,"name":"Sycamore, IL","note":"","unit":"aircraft registered in this town","url":""},{"count":8055,"name":"Illinois","note":"","unit":"aircraft registered","url":"https://eflight.com/states/IL"}],"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/N81DB#records-check"}],"relation":"involved in"},{"group":"Live","items":[{"count":null,"name":"Where N81DB is now","note":"","unit":"","url":"https://eflight.com/live?q=N81DB"}],"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":"N81DB","maker":"Avian Balloon","model":"SPARROW","name":"Avian Balloon SPARROW N81DB","state":"IL","type":"aircraft","url":"https://eflight.com/aircraft/N81DB","year_built":1980},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}