The Handling Qualities During Tracking test was a good way to expose latent PIO tendencies in an aircraft.[1]
Sources
- [1] R. Loschke, “Development of the F-117 Flight Control System,” in AIAA Guidance, Navigation, and Control Conference and Exhibit, Austin, Texas: American Institute of Aeronautics and Astronautics, Aug. 2003. doi: 10.2514/6.2003-5762.