{"as_of":"2026-10-22","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Held by","items":[{"count":null,"name":"The Northrup Corporation","note":"","unit":"","url":"https://eflight.com/holders/the-northrup-corporation"}],"relation":"held by"},{"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/DRSDOCID140889513720240410172106.0001","holder":"The Northrup Corporation","id":"TC 553","models":["Delta 1-D (7 PCLM)"],"name":"Type certificate TC 553","product_type":"Aircraft","type":"certificate","url":"https://eflight.com/certificates/TC 553"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}