{"as_of":"2026-10-07","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Covers","items":[{"count":3,"name":"Pratt & Whitney JT3D-3B","note":"","unit":"aircraft","url":"https://eflight.com/engines/pratt-whitney-jt3d-3b"},{"count":2,"name":"Pratt & Whitney JT3D series","note":"","unit":"aircraft","url":"https://eflight.com/engines/pratt-whitney-jt3d-series"}],"relation":"covers"},{"group":"Held by","items":[{"count":null,"name":"Pratt & Whitney Division","note":"","unit":"","url":"https://eflight.com/holders/pratt-whitney-division"}],"relation":"held by"},{"group":"Orders","items":[{"count":20,"name":"FAA orders on these designs","note":"","unit":"airworthiness directives","url":"https://eflight.com/certificates/1E8"},{"count":null,"name":"99-01-08: Stage 7 through Stage 15 High-Pressure Compressor (HPC) Disks","note":"1999-01-05","unit":"","url":"https://eflight.com/directives/99-01-08"},{"count":null,"name":"96-23-10: Steel High Pressure Compressor (HPC) disk","note":"1997-01-21","unit":"","url":"https://eflight.com/directives/96-23-10"},{"count":null,"name":"89-22-07: Overhaul","note":"1989-10-31","unit":"","url":"https://eflight.com/directives/89-22-07"},{"count":null,"name":"82-14-02: Third Stage Turbine Disks","note":"1982-07-01","unit":"","url":"https://eflight.com/directives/82-14-02"}],"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/4F009E533A182A5E8525670D0062CFC6.0001","holder":"Pratt & Whitney Division","id":"1E8","models":["JT3D-3","JT3D-3C","JT3D-1A-MC7","JT3D-1-MC6","JT3D-7","JT3D-1-MC7","JT3D-1A","JT3D-3B","JT3D-1A-MC6","JT3D-1","JT3D-7A"],"name":"Type certificate 1E8","product_type":"Engine","type":"certificate","url":"https://eflight.com/certificates/1E8"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}