The propulsor helps the X2 get up to speed quickly and excel at low-level flight. Unlike some of the other fast helicopters on this list, the X2 is a single-engine design, using an LHTEC T800-LHT-801.

In 1961, that speed earned the CH-47F the Guinness World Record for the world's fastest military helicopter. Of course, that record has since been surpassed, but the CH-47 Chinook also boasts some ...

The AH-1Z Viper is one of the fastest helicopters within the arsenal of the U.S. military. It is the most recent iteration of the Vietnam-era AH-1 HueyCobra, capable of hitting a top speed of over ...

That’s fast—cruise speed for helicopters is usually in the 150 knot range (173 mph). The goal is for Racer to eventually cruise at 220 knots (253 mph).

The official DAI-approved Guinness World Record for the fastest speed in a helicopter has stood fast at 400.87 km/h (249.09 mph) since it was set in 1986, in a modified Westland Lynx.

Type: Medium-lift transport helicopter Year introduced: 1981 Active aircraft: 792 Top speed: 158 mph Armament: Shturm missiles, rocket pods, 23mm cannon pods, 7.62mm machine guns The Mi-8 series ...

Indeed, the Chinook is massive. Yet the helicopter is also quite fast. The Chinook’s max speed is 196 miles per hour—faster than anything else in America’s helicopter inventory.

Talking of super-fast choppers, US-based Bell Helicopter is currently developing a tilt-rotor aircraft for the United States Army that has a top speed of 556 km/h.

At that point, enhancing the Army’s biggest, fastest helicopter for 40 more years of service will become problematic. Congress has already signaled that it wants the Block II improvements to ...

In honor of the helicopter's convenience and life-saving service, we examine some of the fastest choppers on the civilian market, ranked by top speed. Bell 407 — 161 mph stuart.mike/Wikimedia ...