JS1339: Summary of Certification Flight Tests for King KFC 200 Autopilot System on a Riley Turbine Eagle Cessna 421C, 1988-07-05, Box: 14, Folder: 21. Shannon Engineering, Inc., records, 8746. Division of Rare and Manuscript Collections. https://aspace3-test.library.cornell.edu/repositories/2/archival_objects/766871 Accessed June 15, 2026.