Photos: Eurocopter X3 | MilitaryAircraft.de - Aviation Photography
Eurocopter X³ - Wikipedia
Fast Helicopters Are All the Rage These Days | WIRED
Flying the Future - Vertical Mag
The Fastest Helicopters in the World - Hummingbird Helicopters
Vertipedia - Eurocopter X3
Airbus Helicopters X3 Top Speed - speedsdb.com
X3 Helicopter Sets Speed Record At Nearly 300 MPH | WIRED
Eurocopter X3 hybrid helicopter new speed record at 263 knots 487 kmhr French aviation industry - YouTube
Eurocopter X3 - Helicopters and Rotorcraft - X-Plane.Org Forum
Eurocopter X3 Enters Race for Fastest Helicopter | WIRED
Eurocopter X3 Triple Rotor Helicopter Sets Epically Fast Speed Record Of 302MPH (VIDEO) | HuffPost UK Tech
Speed record: Eurocopter X3 hits 255 knots
Eurocopter X³ - Wikipedia
The Eurocopter X3, an experimental compound helicopter designed for high speed and long range. The only one built, registered F-ZXXX, achieved 293 mph (255 knots, 472 km/h) in June of 2013. A
Speed record: Eurocopter X3 hits 255 knots
Eurocopter X3: The world's fastest copter
Popular Mechanics - The Eurocopter X³, the fastest helicopter in the world, hit 293 mph on a speed run in 2013. One of the 15 most important helicopters of all time: http://popm.ch/2PxZk0F
Eurocopter X3 is World's Fastest Helicopter, Can Hit 293MPH - Here are 5 Interesting Facts - TechEBlog
Eurocopter (Airbus) X3 high speed helicopter, 2012 prototype (video compilation) - YouTube
The fastest helicopter - AEROAFFAIRES
Eurocopter X3 (Gyrodyne) : r/WeirdWings
Eurocopter X3 - FLYING Magazine
Eurocopter X3 hybrid helicopter new speed record at 263 knots 487 kmhr French aviation industry - YouTube
The Eurocopter X3, with a top speed of 293 mph : r/aviation
Eurocopter X3 - Eurocopter | Aviation Photo #2160079 | Airliners.net
Eurocopter X3 Hybrid Fixed Wing Helicopter - Airforce Technology
