{"as_of":"2026-11-06","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Applies to","items":[{"count":442,"name":"Piper PA-38 Tomahawk","note":"","unit":"registered","url":"https://eflight.com/models/piper/pa-38#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":"1981-11-16","faa_document":"https://drs.faa.gov/browse/excelExternalWindow/F4349DBEBF3649A2862569A6005CE1EC.0001","id":"81-23-07","kind":"AD","name":"Airworthiness directive 81-23-07","published":"1981-11-09","subject":"Engine Mount Assembly","system":"engine","type":"directive","url":"https://eflight.com/directives/81-23-07"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}