JS1221: Test Summary Performance Test of Quiet 707 Production Nacelle with JT3D-3B Engine, Brown Field December 2-7, 1985, undated, Box: 10 , Folder: 3. Shannon Engineering, Inc., records, 8746. Division of Rare and Manuscript Collections. https://aspace3-test.library.cornell.edu/repositories/2/archival_objects/766742 Accessed June 14, 2026.