{"as_of":"2026-10-07","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Applies to","items":[{"count":8,"name":"Dornier DO 27","note":"","unit":"registered","url":"https://eflight.com/models/dornier/do-27#airworthiness"},{"count":7,"name":"Dornier DO28","note":"","unit":"registered","url":"https://eflight.com/models/dornier/do28#airworthiness"}],"relation":"applies to"},{"group":"System","items":[{"count":null,"name":"Flight controls","note":"","unit":"","url":"https://eflight.com/systems/flight-controls"}],"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":"1964-07-17","faa_document":"https://drs.faa.gov/browse/excelExternalWindow/6CB930E053E21BA786256A38004C5513.0001","id":"64-14-04","kind":"AD","name":"Airworthiness directive 64-14-04","published":"1964-06-16","subject":"Control Flap Lever","system":"flight-controls","type":"directive","url":"https://eflight.com/directives/64-14-04"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}