What Is The Fastest Civilian Helicopter In The World?
What Is The Fastest Civilian Helicopter In The World? The H155 (formerly EC155 B1) is the world’s fastest civil helicopter in service. Image courtesy of Eurocopter, Anthony Pecchi. The H225 (earlier known as EC225) rotorcraft has a maximum speed of 324km/h. How fast are civilian helicopters? As a general rule, most helicopters fly at an