{"as_of":"2026-10-05","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Covers","items":[{"count":17,"name":"Stearman Aircraft C3","note":"","unit":"registered","url":"https://eflight.com/models/stearman-aircraft/c3"}],"relation":"covers"},{"group":"Held by","items":[{"count":null,"name":"Stearman Aircraft Company","note":"","unit":"","url":"https://eflight.com/holders/stearman-aircraft-company"}],"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/2363656A8C02B2C48525673E004E308E.0001","holder":"Stearman Aircraft Company","id":"ATC 55","models":["C-3-B"],"name":"Type certificate ATC 55","product_type":"Aircraft","type":"certificate","url":"https://eflight.com/certificates/ATC 55"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}