- Commercial Aerospace
X2 Technology Demonstrator from Sikorsky achieves 250-knot speed milestone
WEST PALM BEACH, Fla., 20 Sept. 2010. Sikorsky Aircraft Corp.'s X2 Technology demonstrator achieved a speed of 250 knots true air speed in level flight at the Sikorsky Development Flight Center, accomplishing the program's ultimate speed milestone. The speed, reached during a 1.1-hour flight, is an unofficial speed record for a helicopter. The demonstrator also reached 260 knots in a very shallow dive during the flight.