JS1033: Model 25 XR Flight Manual Substantiation Document (Accomplished Under P.O. 12859P), 1981-03-26 - 1983-04-05, Box: 3 , Folder: 27. Shannon Engineering, Inc., records, 8746. Division of Rare and Manuscript Collections. https://aspace3-test.library.cornell.edu/repositories/2/archival_objects/766549 Accessed June 13, 2026.