{"as_of":"2026-11-06","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Applies to","items":[{"count":6,"name":"Boeing Of Canada/Dehav Div DHC-8","note":"","unit":"registered","url":"https://eflight.com/models/boeing-of-canada-dehav-div/dhc-8#airworthiness"},{"count":58,"name":"Bombardier DHC-8 Dash 8 and Q400","note":"","unit":"registered","url":"https://eflight.com/models/bombardier/dhc-8#airworthiness"},{"count":28,"name":"Dehavilland DHC-8","note":"","unit":"registered","url":"https://eflight.com/models/dehavilland/dhc-8#airworthiness"}],"relation":"applies to"},{"group":"System","items":[{"count":null,"name":"Engine","note":"","unit":"","url":"https://eflight.com/systems/engine"}],"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":"2015-11-24","faa_document":"https://drs.faa.gov/browse/excelExternalWindow/FA8A8C3DBD3F87C486257EE4004DD2DC.0001","id":"2015-21-02","kind":"AD","name":"Airworthiness directive 2015-21-02","published":"2015-10-20","subject":"Electrical Power","system":"engine","type":"directive","url":"https://eflight.com/directives/2015-21-02"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}