JS1089: Minimum Engine Thrust Substantiation and Related Matters Learjet 35/36 and 35A/36A Equipped with TR4000 Thrust Reversers, 1982-11-12 - 1982-11-25, Box: 4 , Folder: 2. Shannon Engineering, Inc., records, 8746. Division of Rare and Manuscript Collections. https://aspace3-test.library.cornell.edu/repositories/2/archival_objects/766605 Accessed June 14, 2026.