{"as_of":"2026-11-06","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Applies to","items":[{"count":123,"name":"Hughes 369 500 series helicopters","note":"","unit":"registered","url":"https://eflight.com/models/hughes/369#airworthiness"},{"count":108,"name":"Md Helicopters Inc 369","note":"","unit":"registered","url":"https://eflight.com/models/md-helicopters-inc/369#airworthiness"}],"relation":"applies to"},{"group":"System","items":[{"count":null,"name":"Rotorcraft systems","note":"","unit":"","url":"https://eflight.com/systems/rotorcraft"}],"relation":"about"},{"group":"Related orders","items":[{"count":null,"name":"Replaces 2003-08-51","note":"","unit":"","url":"https://eflight.com/directives/2003-08-51"}],"relation":"related to"},{"group":"More","items":[{"count":null,"name":"Every FAA order","note":"","unit":"","url":"https://eflight.com/directives"},{"count":null,"name":"Every aircraft system","note":"","unit":"","url":"https://eflight.com/systems"}],"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":{"effective":"2013-12-05","faa_document":"https://drs.faa.gov/browse/excelExternalWindow/D4820F03CDBB061886257C15005E588E.0001","id":"2013-19-24","kind":"AD","name":"Airworthiness directive 2013-19-24","published":"2013-10-31","subject":"Tail Rotor Blades","system":"rotorcraft","type":"directive","url":"https://eflight.com/directives/2013-19-24"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}