JS1387: Flight Test Proposal for Evaluating the Quiet 707-300 ADV/C Airplane Equipped with the Spare Engine Pod, 1989-03-03, Box: 15, Folder: 26. Shannon Engineering, Inc., records, 8746. Division of Rare and Manuscript Collections. https://aspace3-test.library.cornell.edu/repositories/2/archival_objects/766918 Accessed June 15, 2026.