{"as_of":"2026-11-03","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Design","items":[{"count":9,"name":"Zlin","note":"","unit":"aircraft on the register","url":"https://eflight.com/makers/zlin"}],"relation":"is a"},{"group":"Engine","items":[{"count":5,"name":"Avia M337AK","note":"210 hp","unit":"aircraft with this engine series","url":"https://eflight.com/engines/avia-m337ak"}],"relation":"powered by"},{"group":"Place","items":[{"count":162,"name":"Ann Arbor, MI","note":"","unit":"aircraft registered in this town","url":""},{"count":null,"name":"Ann Arbor Municipal","note":"ARB","unit":"","url":"https://eflight.com/airports/ARB"},{"count":7225,"name":"Michigan","note":"","unit":"aircraft registered","url":"https://eflight.com/states/MI"}],"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/N191D#records-check"}],"relation":"involved in"},{"group":"Airworthiness","items":[{"count":2,"name":"Failure reports on the Avia M337AK","note":"","unit":"reports since 1995","url":"https://eflight.com/engines/avia-m337ak#airworthiness"}],"relation":"subject to"},{"group":"Live","items":[{"count":null,"name":"Where N191D is now","note":"","unit":"","url":"https://eflight.com/live?q=N191D"}],"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":"N191D","maker":"Zlin","model":"142C","name":"Zlin 142C N191D","state":"MI","type":"aircraft","url":"https://eflight.com/aircraft/N191D","year_built":1993},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}