Eurocopter X³ - Wikipedia
Eurocopter (Airbus) X3 high speed helicopter, 2012 prototype (video compilation) - YouTube
Eurocopter X3 helicopter
Eurocopter X3 is World's Fastest Helicopter, Can Hit 293MPH - Here are 5 Interesting Facts - TechEBlog
Eurocopter X3 reaches 255 knots - record speed!
Eurocopter X3 hybrid helicopter new speed record at 263 knots 487 kmhr French aviation industry - YouTube
Fast Helicopters Are All the Rage These Days | WIRED
The Eurocopter X3, with a top speed of 293 mph : r/aviation
Eurocopter X3 hybrid helicopter hits 232 knots
X3 Helicopter Sets Speed Record At Nearly 300 MPH | WIRED
Eurocopter X3 Hybrid Fixed Wing Helicopter - Airforce Technology
Eurocopter X3: The world's fastest copter
Eurocopter X3 - Helicopters and Rotorcraft - X-Plane.Org Forum
Eurocopter X3 Enters Race for Fastest Helicopter | WIRED
Airbus Helicopters X3 Top Speed - speedsdb.com
Eurocopter X3 Triple Rotor Helicopter Sets Epically Fast Speed Record Of 302MPH (VIDEO) | HuffPost UK Tech
Vertipedia - Eurocopter X3
Flying the Future - Vertical Mag
Eurocopter X3 - Eurocopter | Aviation Photo #2160079 | Airliners.net
World's Fastest Helicopter
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Eurocopter X³ - Wikipedia
Eurocopter X3 Sets New Helicopter Air Speed Record Reaching 300mph
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
