{"as_of":"2026-10-07","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Covers","items":[{"count":9,"name":"Boeing 707","note":"","unit":"registered","url":"https://eflight.com/models/boeing/707"}],"relation":"covers"},{"group":"Held by","items":[{"count":null,"name":"The Boeing Company","note":"","unit":"","url":"https://eflight.com/holders/the-boeing-company"}],"relation":"held by"},{"group":"Orders","items":[{"count":219,"name":"FAA orders on these designs","note":"","unit":"airworthiness directives","url":"https://eflight.com/certificates/4A21"},{"count":null,"name":"2026-13-15: Navigation","note":"2026-07-01","unit":"","url":"https://eflight.com/directives/2026-13-15"},{"count":null,"name":"2023-12-15: Navigation","note":"2023-06-21","unit":"","url":"https://eflight.com/directives/2023-12-15"},{"count":null,"name":"2023-10-02: Indicating/Recording System, Navigation","note":"2023-05-26","unit":"","url":"https://eflight.com/directives/2023-10-02"},{"count":null,"name":"2022-25-01: Wings","note":"2023-02-16","unit":"","url":"https://eflight.com/directives/2022-25-01"}],"relation":"subject to"},{"group":"More","items":[{"count":null,"name":"Every type certificate","note":"","unit":"","url":"https://eflight.com/certificates"},{"count":null,"name":"Who holds what","note":"","unit":"","url":"https://eflight.com/holders"}],"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":{"faa_document":"https://drs.faa.gov/browse/excelExternalWindow/8B6EBAA7513BA29A852567240060420C.0001","holder":"The Boeing Company","id":"4A21","models":["707-100B Short Body","707-200","707-100 Long Body","707-100B Long Body"],"name":"Type certificate 4A21","product_type":"Aircraft","type":"certificate","url":"https://eflight.com/certificates/4A21"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}