{"as_of":"2026-10-07","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Covers","items":[{"count":61,"name":"Enstrom Helicopter Corp 280","note":"","unit":"registered","url":"https://eflight.com/models/enstrom-helicopter-corp/280"},{"count":73,"name":"Enstrom Helicopter Corp 480","note":"","unit":"registered","url":"https://eflight.com/models/enstrom-helicopter-corp/480"},{"count":147,"name":"Enstrom F-28","note":"","unit":"registered","url":"https://eflight.com/models/enstrom/f-28"}],"relation":"covers"},{"group":"Held by","items":[{"count":null,"name":"The Enstrom Helicopter Corporation","note":"","unit":"","url":"https://eflight.com/holders/the-enstrom-helicopter-corporation"}],"relation":"held by"},{"group":"Orders","items":[{"count":43,"name":"FAA orders on these designs","note":"","unit":"airworthiness directives","url":"https://eflight.com/certificates/H1CE"},{"count":null,"name":"2023-11-07: Ground Proximity System","note":"2023-06-22","unit":"","url":"https://eflight.com/directives/2023-11-07"},{"count":null,"name":"2021-23-13: Ground Proximity System","note":"2021-12-09","unit":"","url":"https://eflight.com/directives/2021-23-13"},{"count":null,"name":"2018-02-01: Main Rotor Head","note":"2018-02-21","unit":"","url":"https://eflight.com/directives/2018-02-01"},{"count":null,"name":"2017-26-03: Main Rotor System","note":"2018-01-04","unit":"","url":"https://eflight.com/directives/2017-26-03"}],"relation":"subject to"},{"group":"More","items":[{"count":null,"name":"Every type certificate","note":"","unit":"","url":"https://eflight.com/certificates"},{"count":null,"name":"Who holds what","note":"","unit":"","url":"https://eflight.com/holders"}],"relation":"see also"}],"graph":"https://eflight.com/graph","graph_index":"https://eflight.com/graph/index.json","license":"https://creativecommons.org/licenses/by/4.0/","node":{"faa_document":"https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID113343219320251124162242.0001","holder":"The Enstrom Helicopter Corporation","id":"H1CE","models":["TH-28","280C","280","F-28F","F-28F-R","480","F-28C-2R","F-28","280FX","F-28C-2","F-28C","280F","480B","F-28A"],"name":"Type certificate H1CE","product_type":"Aircraft","type":"certificate","url":"https://eflight.com/certificates/H1CE"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}