{"as_of":"2026-10-26","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Design","items":[{"count":147,"name":"Enstrom F-28","note":"","unit":"registered","url":"https://eflight.com/models/enstrom/f-28"},{"count":215,"name":"Enstrom","note":"","unit":"aircraft on the register","url":"https://eflight.com/makers/enstrom"},{"count":null,"name":"Built of steel tube and aluminium","note":"as the model family is built; the register does not record it per aircraft","unit":"","url":"https://eflight.com/materials/steel-aluminium"},{"count":null,"name":"Type certificate H1CE","note":"held by Enstrom Helicopter CORP the","unit":"","url":""}],"relation":"is a"},{"group":"Place","items":[{"count":9,"name":"Ingleside, TX","note":"","unit":"aircraft registered in this town","url":""},{"count":null,"name":"Ingleside Regional","note":"TFP","unit":"","url":"https://eflight.com/airports/TFP"},{"count":29938,"name":"Texas","note":"","unit":"aircraft registered","url":"https://eflight.com/states/TX"}],"relation":"registered in"},{"group":"Record","items":[{"count":null,"name":"Accident on September 1, 1986 at Coshocton, OH: no injuries, substantial damage","note":"","unit":"","url":"https://eflight.com/accidents/ATL86LA236"}],"relation":"involved in"},{"group":"Airworthiness","items":[{"count":40,"name":"FAA orders naming the Enstrom F-28","note":"","unit":"airworthiness directives","url":"https://eflight.com/models/enstrom/f-28#airworthiness"},{"count":58,"name":"Failure reports filed on the Enstrom F-28","note":"","unit":"reports since 1995","url":"https://eflight.com/models/enstrom/f-28#airworthiness"},{"count":24,"name":"Approved modifications for the Enstrom F-28","note":"","unit":"supplemental type certificates","url":"https://eflight.com/models/enstrom/f-28#airworthiness"}],"relation":"subject to"},{"group":"Analytics","items":[{"count":null,"name":"Accident history of the Enstrom F-28","note":"","unit":"","url":"https://eflight.com/models/enstrom/f-28#accidents"},{"count":null,"name":"Accidents by model, with rates per thousand registered","note":"","unit":"","url":"https://eflight.com/analytics/accidents-by-model"}],"relation":"compared in"},{"group":"Live","items":[{"count":null,"name":"Where N549H is now","note":"","unit":"","url":"https://eflight.com/live?q=N549H"}],"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":{"inherited_from_model":true,"material":"steel-aluminium","name":"steel tube and aluminium","note":"A welded steel-tube frame under aluminium and fibreglass skins."},"id":"N549H","maker":"Enstrom","model":"F-28C","name":"Enstrom F-28C N549H","state":"TX","type":"aircraft","url":"https://eflight.com/aircraft/N549H","year_built":1976},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}