{"as_of":"2026-10-05","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Applies to","items":[{"count":11,"name":"Moravan ZLIN 526","note":"","unit":"registered","url":"https://eflight.com/models/moravan/zlin-526#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":"1988-09-08","faa_document":"https://drs.faa.gov/browse/excelExternalWindow/24ED526989E010BB86256A4D00448D0C.0001","id":"88-18-06","kind":"AD","name":"Airworthiness directive 88-18-06","published":"","subject":"Cabin Tubular Structure","system":"cabin","type":"directive","url":"https://eflight.com/directives/88-18-06"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}