{"as_of":"2026-10-07","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Applies to","items":[{"count":254,"name":"Dehavilland DHC-2","note":"","unit":"registered","url":"https://eflight.com/models/dehavilland/dhc-2#airworthiness"}],"relation":"applies to"},{"group":"System","items":[{"count":null,"name":"Flight controls","note":"","unit":"","url":"https://eflight.com/systems/flight-controls"}],"relation":"about"},{"group":"Related orders","items":[{"count":null,"name":"Replaced by 2023-19-06","note":"","unit":"","url":"https://eflight.com/directives/2023-19-06"}],"relation":"related to"},{"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":"1964-05-22","faa_document":"https://drs.faa.gov/browse/excelExternalWindow/52210A58A3890BE486256A34006D465A.0001","id":"64-09-03","kind":"AD","name":"Airworthiness directive 64-09-03","published":"1964-04-22","subject":"Aileron Mass Balance Weight Arm","system":"flight-controls","type":"directive","url":"https://eflight.com/directives/64-09-03"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}