{"as_of":"2026-10-30","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Applies to","items":[{"count":1944,"name":"Robinson R44","note":"","unit":"registered","url":"https://eflight.com/models/robinson/r44#airworthiness"}],"relation":"applies to"},{"group":"System","items":[{"count":null,"name":"Engine","note":"","unit":"","url":"https://eflight.com/systems/engine"}],"relation":"about"},{"group":"Related orders","items":[{"count":null,"name":"Replaces 2019-12-18","note":"","unit":"","url":"https://eflight.com/directives/2019-12-18"}],"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":"2020-08-27","faa_document":"https://drs.faa.gov/browse/excelExternalWindow/F74D82526977067A862585D10043ECCF.0001","id":"2020-18-08","kind":"AD","name":"Airworthiness directive 2020-18-08","published":"2020-08-27","subject":"Engine Air Intake System","system":"engine","type":"directive","url":"https://eflight.com/directives/2020-18-08"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}