{"as_of":"2026-10-05","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Covers","items":[{"count":159,"name":"Pratt & Whitney Canada JT15D-1","note":"","unit":"aircraft","url":"https://eflight.com/engines/pratt-whitney-canada-jt15d-1"},{"count":357,"name":"Pratt & Whitney Canada JT15D-4","note":"","unit":"aircraft","url":"https://eflight.com/engines/pratt-whitney-canada-jt15d-4"}],"relation":"covers"},{"group":"Held by","items":[{"count":null,"name":"Pratt & Whitney Canada CORP.","note":"","unit":"","url":"https://eflight.com/holders/pratt-whitney-canada-corp"}],"relation":"held by"},{"group":"Orders","items":[{"count":6,"name":"FAA orders on these designs","note":"","unit":"airworthiness directives","url":"https://eflight.com/certificates/E1NE"},{"count":null,"name":"2023-03-12: Turbine Engine Compressor Section","note":"2023-03-31","unit":"","url":"https://eflight.com/directives/2023-03-12"},{"count":null,"name":"2004-04-09: Impellers","note":"2004-04-05","unit":"","url":"https://eflight.com/directives/2004-04-09"},{"count":null,"name":"93-18-08: High Pressure Turbine (HPT) Assembly","note":"1993-11-24","unit":"","url":"https://eflight.com/directives/93-18-08"},{"count":null,"name":"87-10-01: Fan Blades","note":"1988-07-15","unit":"","url":"https://eflight.com/directives/87-10-01"}],"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/DRSDOCID144467187620221118153610.0001","holder":"Pratt & Whitney Canada Corp.","id":"E1NE","models":["JT15D-1","JT15D-4"],"name":"Type certificate E1NE","product_type":"Engine","type":"certificate","url":"https://eflight.com/certificates/E1NE"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}