What are the top speeds of helicopters?

First, we need to differentiate the types of helicopters, that drastically vary in speed, because it would not be fair otherwise: * Normal helicopters with the typical layout can nowadays reach topspeeds of 300 km/h and even more than that. read more

World’s Top 10 Fastest Helicopters. 10. AH-64D Apache. The AH-64 Apache is the most advanced multi-role combat helicopter for the U.S. Army. The helicopter, also one of the fastest helicopters in the world. It can attain a maximum speed of 284km/h in hot day conditions. read more

Civil helicopters tend to have top speeds below 321 km/hr, 200mph at the moment but these will rise too as the new rigid paired-rotor helicopters go into production, and may rise to similar speeds to the new military helicopters. So for those using and making helicopters the next few years are an exciting time. read more

A two-seat trainer helicopter averages flight speeds between 90 and 105 mph. A five-seat turbine helicopter can reach average cruising speeds between 130 and 145 mph. The maximum speed in some helicopters is about 255 mph. read more