{"as_of":"2026-11-12","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Design","items":[{"count":1,"name":"Middleton Ben H","note":"","unit":"aircraft on the register","url":"https://eflight.com/makers/middleton-ben-h"}],"relation":"is a"},{"group":"Engine","items":[{"count":449,"name":"Rotax 503 series","note":"52 hp","unit":"aircraft with this engine series","url":"https://eflight.com/engines/rotax-503-series"}],"relation":"powered by"},{"group":"Place","items":[{"count":55,"name":"Sierra Vista, AZ","note":"","unit":"aircraft registered in this town","url":""},{"count":8435,"name":"Arizona","note":"","unit":"aircraft registered","url":"https://eflight.com/states/AZ"}],"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/N728H#records-check"}],"relation":"involved in"},{"group":"Airworthiness","items":[{"count":null,"name":"Report filed on this aircraft: Bearing, cracked","note":"1997-03-06","unit":"","url":"https://eflight.com/systems/rotorcraft"}],"relation":"subject to"},{"group":"Live","items":[{"count":null,"name":"Where N728H is now","note":"","unit":"","url":"https://eflight.com/live?q=N728H"}],"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":"N728H","maker":"Middleton Ben H","model":"TXP 503","name":"Middleton Ben H TXP 503 N728H","state":"AZ","type":"aircraft","url":"https://eflight.com/aircraft/N728H","year_built":2017},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}