{"as_of":"2026-10-23","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Applies to","items":[{"count":37,"name":"Pilatus B-4","note":"","unit":"registered","url":"https://eflight.com/models/pilatus/b-4#airworthiness"}],"relation":"applies to"},{"group":"System","items":[{"count":null,"name":"Airframe structure","note":"","unit":"","url":"https://eflight.com/systems/structure"}],"relation":"about"},{"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":"2005-06-02","faa_document":"https://drs.faa.gov/browse/excelExternalWindow/D52A441CA2505A1A86256FEA0056CA12.0001","id":"2005-08-07","kind":"AD","name":"Airworthiness directive 2005-08-07","published":"2005-04-21","subject":"Control-column support","system":"structure","type":"directive","url":"https://eflight.com/directives/2005-08-07"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}