AF flight 25. Glide flight only.
AF flight 27. Powered pilot-check flight.
AF flight 28. Pressure distribution survey. Only cylinders 2 and 4 ignited.
AF flight 30. Pressure distribution survey. Attained mach 1.18.
AF flight 32. Stability and control and buffeting investigation. Mach 0.92.
AF flight 35. Left main gear door opened in flight. Nosewheel collapsed on landing.