1. X-43 (unmanned)
Top speed: Mach 9.8
Max. altitude: 110,000 feet

2. X-15 (fastest manned aircraft in the world)
Top speed: Mach 6.72
Max. altitude: 354,200 feet

3. SR-71 Blackbird (fastest airplane in the world)
Top speed: Mach 3.2+
Max. altitude: 85,000+ feet

4. MiG-25R Foxbat-B
Top speed: Mach 3.2
Max. altitude: 123,524 feet

X-2
Top speed: Mach 3.2
Max. altitude: 126,200 feet

5. XB-70 Valkyrie
Top speed: Mach 3.1
Max. altitude: 77,350 feet

6. MiG-31 Foxhound
Top speed: Mach 2.83
Max. altitude: 67,600 feet

7. MiG-25 Foxbat
Top speed: Mach 2.8
Max. altitude: 118,900 feet

8. F-15 Eagle
Top speed: Mach 2.5
Max. altitude: 60,000 feet

F-111 Aardvark
Top speed: Mach 2.5
Max. altitude: 60,000+ feet

9. X-1
Top speed: Mach 2.435
Max. altitude: 90,440 feet

10. Su-24 Fencer
Top speed: Mach 2.4
Max. altitude: 57,400 feet

Need more speed? View the complete list of the world’s top 50  fastest aircraft here.