JS1260: Quiet 707 FAA Approved Airplane Flight Manual Supplement, 707-300C Series with P & W JT3D-7 Engines, 1986-08-28, Box: 11 , Folder: 28. Shannon Engineering, Inc., records, 8746. Division of Rare and Manuscript Collections. https://aspace3-test.library.cornell.edu/repositories/2/archival_objects/766788 Accessed June 14, 2026.