{"as_of":"2026-10-05","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Applies to","items":[{"count":5,"name":"Bell-Carson 47","note":"","unit":"registered","url":"https://eflight.com/models/bell-carson/47#airworthiness"},{"count":477,"name":"Bell 47","note":"","unit":"registered","url":"https://eflight.com/models/bell/47#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 2000-18-51","note":"","unit":"","url":"https://eflight.com/directives/2000-18-51"}],"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":"2001-10-03","faa_document":"https://drs.faa.gov/browse/excelExternalWindow/7F0C2377A243EF6986256AB80043383B.0001","id":"2001-17-17","kind":"AD","name":"Airworthiness directive 2001-17-17","published":"2001-08-29","subject":"Main Rotor Blade Grip Threads","system":"rotorcraft","type":"directive","url":"https://eflight.com/directives/2001-17-17"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}