JS1388: Engineering Analysis Substantiation of the use of the Boeing Spare Engine pod on the Quiet 707-300B (ADV)/C Airplane, 1989-07-12 - 1989-09-13, Box: 15, Folder: 27. Shannon Engineering, Inc., records, 8746. Division of Rare and Manuscript Collections. https://aspace3-test.library.cornell.edu/repositories/2/archival_objects/766919 Accessed June 15, 2026.