{"as_of":"2026-11-02","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":"Electrical power","note":"","unit":"","url":"https://eflight.com/systems/electrical"}],"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":"2008-04-03","faa_document":"https://drs.faa.gov/browse/excelExternalWindow/2EDC4CD83F8757E8862573FD00571D96.0001","id":"2008-04-17","kind":"AD","name":"Airworthiness directive 2008-04-17","published":"2008-02-28","subject":"Observer utility light system","system":"electrical","type":"directive","url":"https://eflight.com/directives/2008-04-17"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}