JS1453: Certification Flight Test Plan for the Ayres Thrush S2R, S2R-R3S and S2R-1340 Re-Engines with Garrett TPE331-1, -2, and -6 Engines, FAA Project No. STO248SE-A, 1993-02-12, Box: 17, Folder: 6. Shannon Engineering, Inc., records, 8746. Division of Rare and Manuscript Collections. https://aspace3-test.library.cornell.edu/repositories/2/archival_objects/766976 Accessed June 14, 2026.