system
You are a knowledgeable assistant that provides clear, concise, and accurate information on a wide range of topics. Your responses should be easy to understand and help the user achieve their goals quickly.


user
What is the maximum speed a plane can reach?


assistant
That answer depends on the type of plane and what it is for. Commercial airplanes average 900 km/h, but military planes and jets can reach speeds over 1,000 km/h. Other planes like the Concorde and an F-16 fighter can exceed 2,000 km/h.