{"as_of":"2026-10-05","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Applies to","items":[{"count":718,"name":"Beechcraft B200 King Air B200","note":"","unit":"registered","url":"https://eflight.com/models/beechcraft/b200#airworthiness"},{"count":784,"name":"Beechcraft B300 King Air 350","note":"","unit":"registered","url":"https://eflight.com/models/beechcraft/b300#airworthiness"},{"count":607,"name":"Beechcraft C90 King Air C90","note":"","unit":"registered","url":"https://eflight.com/models/beechcraft/c90#airworthiness"},{"count":1657,"name":"Bombardier CL-600 Challenger and CRJ","note":"","unit":"registered","url":"https://eflight.com/models/bombardier/cl-600#airworthiness"},{"count":1968,"name":"Cessna 525 CitationJet (CJ series)","note":"","unit":"registered","url":"https://eflight.com/models/cessna/525#airworthiness"}],"relation":"applies to"},{"group":"System","items":[{"count":null,"name":"Instruments and avionics","note":"","unit":"","url":"https://eflight.com/systems/avionics"}],"relation":"about"},{"group":"Related orders","items":[{"count":null,"name":"Replaces 2019-12-09","note":"","unit":"","url":"https://eflight.com/directives/2019-12-09"}],"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":"2021-04-29","faa_document":"https://drs.faa.gov/browse/excelExternalWindow/C42812ECE260616B862586A300583680.0001","id":"2021-05-17","kind":"AD","name":"Airworthiness directive 2021-05-17","published":"2021-03-25","subject":"NAVIGATION SYSTEM","system":"avionics","type":"directive","url":"https://eflight.com/directives/2021-05-17"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}
