{"as_of":"2026-10-05","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Applies to","items":[{"count":120,"name":"Airbus A300","note":"","unit":"registered","url":"https://eflight.com/models/airbus/a300#airworthiness"},{"count":800,"name":"Airbus A320","note":"","unit":"registered","url":"https://eflight.com/models/airbus/a320#airworthiness"},{"count":10,"name":"Airbus A340","note":"","unit":"registered","url":"https://eflight.com/models/airbus/a340#airworthiness"},{"count":9,"name":"Boeing 707","note":"","unit":"registered","url":"https://eflight.com/models/boeing/707#airworthiness"},{"count":37,"name":"Boeing 727","note":"","unit":"registered","url":"https://eflight.com/models/boeing/727#airworthiness"},{"count":2883,"name":"Boeing 737","note":"","unit":"registered","url":"https://eflight.com/models/boeing/737#airworthiness"},{"count":192,"name":"Boeing 747","note":"","unit":"registered","url":"https://eflight.com/models/boeing/747#airworthiness"},{"count":440,"name":"Boeing 757","note":"","unit":"registered","url":"https://eflight.com/models/boeing/757#airworthiness"},{"count":583,"name":"Boeing 767","note":"","unit":"registered","url":"https://eflight.com/models/boeing/767#airworthiness"},{"count":7,"name":"Douglas C-54","note":"","unit":"registered","url":"https://eflight.com/models/douglas/c-54#airworthiness"},{"count":8,"name":"Douglas DC-10","note":"","unit":"registered","url":"https://eflight.com/models/douglas/dc-10#airworthiness"},{"count":155,"name":"Douglas DC-3","note":"","unit":"registered","url":"https://eflight.com/models/douglas/dc-3#airworthiness"},{"count":6,"name":"Douglas DC-8","note":"","unit":"registered","url":"https://eflight.com/models/douglas/dc-8#airworthiness"},{"count":7,"name":"Douglas DC-9","note":"","unit":"registered","url":"https://eflight.com/models/douglas/dc-9#airworthiness"},{"count":15,"name":"Lockheed 12","note":"","unit":"registered","url":"https://eflight.com/models/lockheed/12#airworthiness"},{"count":13,"name":"Lockheed 18","note":"","unit":"registered","url":"https://eflight.com/models/lockheed/18#airworthiness"},{"count":13,"name":"Lockheed P-38","note":"","unit":"registered","url":"https://eflight.com/models/lockheed/p-38#airworthiness"},{"count":10,"name":"Mcdonnell Douglas Aircraft Co MD-88","note":"","unit":"registered","url":"https://eflight.com/models/mcdonnell-douglas-aircraft-co/md-88#airworthiness"},{"count":17,"name":"Mcdonnell Douglas DC-10","note":"","unit":"registered","url":"https://eflight.com/models/mcdonnell-douglas/dc-10#airworthiness"},{"count":93,"name":"Mcdonnell Douglas DC-9","note":"","unit":"registered","url":"https://eflight.com/models/mcdonnell-douglas/dc-9#airworthiness"},{"count":15,"name":"Mcdonnell Douglas MD-10","note":"","unit":"registered","url":"https://eflight.com/models/mcdonnell-douglas/md-10#airworthiness"},{"count":104,"name":"Mcdonnell Douglas MD-11","note":"","unit":"registered","url":"https://eflight.com/models/mcdonnell-douglas/md-11#airworthiness"}],"relation":"applies to"},{"group":"System","items":[{"count":null,"name":"Other and general","note":"","unit":"","url":"https://eflight.com/systems/other"}],"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":"1993-09-02","faa_document":"https://drs.faa.gov/browse/excelExternalWindow/C026A14BA37FD21986256A40006D19EF.0001","id":"93-14-12","kind":"AD","name":"Airworthiness directive 93-14-12","published":"","subject":"Crewmember Protective Breathing Equipment Units","system":"other","type":"directive","url":"https://eflight.com/directives/93-14-12"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}