{"as_of":"2026-10-07","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Held by","items":[{"count":null,"name":"Pratt & Whitney Division","note":"","unit":"","url":"https://eflight.com/holders/pratt-whitney-division"}],"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/777712EB07C3B46F8525670D00648D18.0001","holder":"Pratt & Whitney Division","id":"ATC 158","models":["Twin Wasp SB3-G","Twin Wasp SB-G"],"name":"Type certificate ATC 158","product_type":"Engine","type":"certificate","url":"https://eflight.com/certificates/ATC 158"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}