{"as_of":"2026-11-06","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Applies to","items":[{"count":217,"name":"Hiller UH-12","note":"","unit":"registered","url":"https://eflight.com/models/hiller/uh-12#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":"","faa_document":"https://drs.faa.gov/browse/excelExternalWindow/3BCF3E5E93A7DA0A86256A38005F33D8.0001","id":"56-27-02","kind":"AD","name":"Airworthiness directive 56-27-02","published":"","subject":"Engine Mount Welds","system":"engine","type":"directive","url":"https://eflight.com/directives/56-27-02"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}