{"as_of":"2026-10-07","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Applies to","items":[{"count":84,"name":"Air Tractor Inc AT-301","note":"","unit":"registered","url":"https://eflight.com/models/air-tractor-inc/at-301#airworthiness"},{"count":49,"name":"Air Tractor Inc AT-400","note":"","unit":"registered","url":"https://eflight.com/models/air-tractor-inc/at-400#airworthiness"},{"count":68,"name":"Air Tractor Inc AT-401","note":"","unit":"registered","url":"https://eflight.com/models/air-tractor-inc/at-401#airworthiness"},{"count":160,"name":"Air Tractor Inc AT-402","note":"","unit":"registered","url":"https://eflight.com/models/air-tractor-inc/at-402#airworthiness"},{"count":502,"name":"Air Tractor Inc AT-502","note":"","unit":"registered","url":"https://eflight.com/models/air-tractor-inc/at-502#airworthiness"},{"count":9,"name":"Air Tractor Inc AT-504","note":"","unit":"registered","url":"https://eflight.com/models/air-tractor-inc/at-504#airworthiness"},{"count":246,"name":"Air Tractor Inc AT-602","note":"","unit":"registered","url":"https://eflight.com/models/air-tractor-inc/at-602#airworthiness"},{"count":684,"name":"Air Tractor Inc AT-802","note":"","unit":"registered","url":"https://eflight.com/models/air-tractor-inc/at-802#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":"2021-04-29","faa_document":"https://drs.faa.gov/browse/excelExternalWindow/2771DCEB8880CBE7862586A300584297.0001","id":"2021-05-14","kind":"AD","name":"Airworthiness directive 2021-05-14","published":"2021-03-25","subject":"TE flap control system","system":"flight-controls","type":"directive","url":"https://eflight.com/directives/2021-05-14"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}