{"as_of":"2026-10-08","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Applies to","items":[{"count":984,"name":"Bell 407","note":"","unit":"registered","url":"https://eflight.com/models/bell/407#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":"Replaced by 96-24-09","note":"","unit":"","url":"https://eflight.com/directives/96-24-09"}],"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":"","faa_document":"https://drs.faa.gov/browse/excelExternalWindow/EC471004A51DD4B986256B87005BD8D9.0001","id":"96-21-12 PL","kind":"AD","name":"Airworthiness directive 96-21-12 PL","published":"","subject":"Placard -- Inflight Engine Shut-downs","system":"engine","type":"directive","url":"https://eflight.com/directives/96-21-12 PL"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}