JS1399: FAA Approved Airplane Flight Manual Supplement 707-300B (Advanced) Series with P&W JT3D-3B(IC) Engines and the Spare Engine Pod, 1989-11-02, Box: 15, Folder: 38. Shannon Engineering, Inc., records, 8746. Division of Rare and Manuscript Collections. https://aspace3-test.library.cornell.edu/repositories/2/archival_objects/766930 Accessed June 15, 2026.