{"as_of":"2026-10-07","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Applies to","items":[{"count":18633,"name":"Piper PA-28 Cherokee, Warrior, Archer and Arrow","note":"","unit":"registered","url":"https://eflight.com/models/piper/pa-28#airworthiness"}],"relation":"applies to"},{"group":"System","items":[{"count":null,"name":"Cabin, seats and restraints","note":"","unit":"","url":"https://eflight.com/systems/cabin"}],"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":"1974-04-24","faa_document":"https://drs.faa.gov/browse/excelExternalWindow/51E6C7A023F3C281862569990050FFE1.0001","id":"74-09-04","kind":"AD","name":"Airworthiness directive 74-09-04","published":"1974-04-19","subject":"Rear Seat Belt Installation","system":"cabin","type":"directive","url":"https://eflight.com/directives/74-09-04"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}