{"as_of":"2026-10-05","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Applies to","items":[{"count":157,"name":"Beechcraft 1900 Airliner","note":"","unit":"registered","url":"https://eflight.com/models/beechcraft/1900#airworthiness"}],"relation":"applies to"},{"group":"System","items":[{"count":null,"name":"Other and general","note":"","unit":"","url":"https://eflight.com/systems/other"}],"relation":"about"},{"group":"Related orders","items":[{"count":null,"name":"Replaced by 2014-02-03","note":"","unit":"","url":"https://eflight.com/directives/2014-02-03"}],"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":"","faa_document":"https://drs.faa.gov/browse/excelExternalWindow/78B27061AE2F20CD8625796F007140E4.0001","id":"2011-27-51","kind":"Emergency AD","name":"Airworthiness directive 2011-27-51","published":"","subject":"Flight Controls","system":"other","type":"directive","url":"https://eflight.com/directives/2011-27-51"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}