{"as_of":"2026-10-07","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Applies to","items":[{"count":8,"name":"Waco INF","note":"","unit":"registered","url":"https://eflight.com/models/waco/inf#airworthiness"},{"count":35,"name":"Waco RNF","note":"","unit":"registered","url":"https://eflight.com/models/waco/rnf#airworthiness"}],"relation":"applies to"},{"group":"System","items":[{"count":null,"name":"Fuel system","note":"","unit":"","url":"https://eflight.com/systems/fuel"}],"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":"","faa_document":"https://drs.faa.gov/browse/excelExternalWindow/2C885AD59A5B300286256A4D004AD655.0001","id":"46-50-01","kind":"AD","name":"Airworthiness directive 46-50-01","published":"","subject":"Fuel line rework","system":"fuel","type":"directive","url":"https://eflight.com/directives/46-50-01"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}