What is the maximum speed of an airplane?

The world's fastest aircraft is the United States Air Force's SR-71 "Blackbird" reconnaissance aircraft, which has a top speed of more than 3,800 kilometers (2,400 miles) per hour, approximately Mach 3.

Here are some other types of fastest aircraft:

XB-70 Ladybug bomber: Top speed around Mach 3 (over 3,800 km/h)

F-15 Eagle Fighter: Top speed can reach Mach 2.5 (approximately 3,000 kilometers per hour)

MiG-25 Fighter: Top speed can reach Mach 3.2 (approximately 4,000 kilometers per hour)

Eurofighter Typo: The maximum speed can reach Mach 2+ (more than 2,400 kilometers per hour)

It should be noted that the above maximum speed refers to the ultimate speed of the aircraft. In actual use May fluctuate due to a variety of factors.