JS1398: AFM Supplement Substantiation for the use of the Beech Model 1080 Refueling Pods on Quiet 707-300B (ADV)/C Airplanes Powered by the P&W JT3D-7 and/or JT3D-7A Engines, 1990-03-29, Box: 15, Folder: 37. Shannon Engineering, Inc., records, 8746. Division of Rare and Manuscript Collections. https://aspace3-test.library.cornell.edu/repositories/2/archival_objects/766929 Accessed June 15, 2026.