{"as_of":"2026-10-30","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Applies to","items":[{"count":6,"name":"Atr-Gie Avions De Trnsp Region ATR42","note":"","unit":"registered","url":"https://eflight.com/models/atr-gie-avions-de-trnsp-region/atr42#airworthiness"},{"count":14,"name":"Atr-Gie Avions De Trnsp Rgnl ATR 72","note":"","unit":"registered","url":"https://eflight.com/models/atr-gie-avions-de-trnsp-rgnl/atr-72#airworthiness"}],"relation":"applies to"},{"group":"System","items":[{"count":null,"name":"Heating, ice protection and utility systems","note":"","unit":"","url":"https://eflight.com/systems/utility"}],"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":"2025-09-11","faa_document":"https://drs.faa.gov/browse/excelExternalWindow/FR-ADFRAWD-2025-16401-0000000000.0001","id":"2025-17-15","kind":"AD","name":"Airworthiness directive 2025-17-15","published":"2025-08-27","subject":"Hydraulic Power","system":"utility","type":"directive","url":"https://eflight.com/directives/2025-17-15"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}