{"as_of":"2026-10-07","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Held by","items":[{"count":null,"name":"Rolls-Royce Limited","note":"","unit":"","url":"https://eflight.com/holders/rolls-royce-limited"}],"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/D8551A0407924811862578D5006E9216.0001","holder":"Rolls-Royce Limited","id":"E-308","models":["Conway 508","Conway 505","Conway 509","Conway 509A","Conway 508A"],"name":"Type certificate E-308","product_type":"Engine","type":"certificate","url":"https://eflight.com/certificates/E-308"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}