{"as_of":"2026-10-26","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Design","items":[{"count":11,"name":"Latitude Engineering","note":"","unit":"aircraft on the register","url":"https://eflight.com/makers/latitude-engineering"}],"relation":"is a"},{"group":"Owner","items":[{"count":1,"name":"Trustees of Columbia Univ In the City of New York","note":"","unit":"aircraft registered to this organisation","url":"https://eflight.com/search?q=Trustees of Columbia Univ In the City of New York"}],"relation":"owned by"},{"group":"Place","items":[{"count":3,"name":"Palisades, NY","note":"","unit":"aircraft registered in this town","url":""},{"count":6663,"name":"New York","note":"","unit":"aircraft registered","url":"https://eflight.com/states/NY"}],"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/N18CU#records-check"}],"relation":"involved in"}],"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":"N18CU","maker":"Latitude Engineering","model":"HQ-90B","name":"Latitude Engineering HQ-90B N18CU","state":"NY","type":"aircraft","url":"https://eflight.com/aircraft/N18CU","year_built":null},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}