Do you know the fastest aircrafts in the world? Read this post and find out! 5. Lockheed SR-71 Blackbird – Mach 3.34 (2,200 mph) 4. Lockheed A-12 – Mach 2.88 (2,212 mph) 3. Lockheed YF-12 – Mach 2.96 (2,275 mph) 2. North American X- 15 – Mach 5.89 (4,520 mph) 1. Nasa X-43 – Mach […]