{"as_of":"2026-11-06","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Applies to","items":[{"count":75,"name":"British Aerospace BAE 125","note":"","unit":"registered","url":"https://eflight.com/models/british-aerospace/bae-125#airworthiness"},{"count":7,"name":"Hawker Siddeley HS.125 SERIES 700A","note":"","unit":"registered","url":"https://eflight.com/models/hawker-siddeley/hs-125-series-700a#airworthiness"},{"count":32,"name":"Raytheon Corporate Jets Inc HAWKER 800","note":"","unit":"registered","url":"https://eflight.com/models/raytheon-corporate-jets-inc/hawker-800#airworthiness"}],"relation":"applies to"},{"group":"System","items":[{"count":null,"name":"Emergency equipment","note":"","unit":"","url":"https://eflight.com/systems/emergency"}],"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":"1997-11-24","faa_document":"https://drs.faa.gov/browse/excelExternalWindow/CC6DF259EA26706486256A090073132D.0001","id":"97-21-05","kind":"AD","name":"Airworthiness directive 97-21-05","published":"1997-10-20","subject":"High Pressure Oxygen Hose Assemblies","system":"emergency","type":"directive","url":"https://eflight.com/directives/97-21-05"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}