{"as_of":"2026-10-07","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Covers","items":[{"count":5,"name":"Helicopter Transport Services CH-54","note":"","unit":"registered","url":"https://eflight.com/models/helicopter-transport-services/ch-54"}],"relation":"covers"},{"group":"Held by","items":[{"count":null,"name":"Helicopter Transport Services LLC","note":"","unit":"","url":"https://eflight.com/holders/helicopter-transport-services-llc"}],"relation":"held by"},{"group":"Orders","items":[{"count":7,"name":"FAA orders on these designs","note":"","unit":"airworthiness directives","url":"https://eflight.com/certificates/R00009LA"},{"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":"2013-20-15: Tail Rotor Drive System","note":"2013-12-05","unit":"","url":"https://eflight.com/directives/2013-20-15"},{"count":null,"name":"2000-18-14: Second Stage Lower Planetary Plate","note":"2000-10-19","unit":"","url":"https://eflight.com/directives/2000-18-14"}],"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/11991945D08773C986257CAC006BB117.0001","holder":"Helicopter Transport Services LLC","id":"R00009LA","models":["CH-54D"],"name":"Type certificate R00009LA","product_type":"Aircraft","type":"certificate","url":"https://eflight.com/certificates/R00009LA"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}