{"as_of":"2026-10-07","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Applies to","items":[{"count":817,"name":"Robinson R22","note":"","unit":"registered","url":"https://eflight.com/models/robinson/r22#airworthiness"},{"count":1933,"name":"Robinson R44","note":"","unit":"registered","url":"https://eflight.com/models/robinson/r44#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 2007-26-12","note":"","unit":"","url":"https://eflight.com/directives/2007-26-12"},{"count":null,"name":"Replaced by 2014-23-16","note":"","unit":"","url":"https://eflight.com/directives/2014-23-16"}],"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":"2011-07-05","faa_document":"https://drs.faa.gov/browse/excelExternalWindow/7950DFF2185691FA862578B2004D6912.0001","id":"2011-12-10","kind":"AD","name":"Airworthiness directive 2011-12-10","published":"2012-03-05","subject":"Main rotor blade","system":"rotorcraft","type":"directive","url":"https://eflight.com/directives/2011-12-10"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}