{"as_of":"2026-10-07","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Applies to","items":[{"count":275,"name":"Schweizer SGS 2 gliders (2-33 and 2-32)","note":"","unit":"registered","url":"https://eflight.com/models/schweizer/sgs-2#airworthiness"},{"count":74,"name":"Schweizer SGU 2","note":"","unit":"registered","url":"https://eflight.com/models/schweizer/sgu-2#airworthiness"}],"relation":"applies to"},{"group":"System","items":[{"count":null,"name":"Airframe structure","note":"","unit":"","url":"https://eflight.com/systems/structure"}],"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":"1988-05-25","faa_document":"https://drs.faa.gov/browse/excelExternalWindow/5B809D0A89D7F92E86256A5400702445.0001","id":"76-13-11 R1","kind":"AD","name":"Airworthiness directive 76-13-11 R1","published":"","subject":"Aft Fuselage Longerons","system":"structure","type":"directive","url":"https://eflight.com/directives/76-13-11 R1"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}