On June 14 , 2010 an engine was first tested on a static test-bed .
The first engine test on a static test-bed was made in June 2010 and on Feb 18th 2012 Airbus announced that the Trent XWB had successfully made its maiden flight aboard Airbus ’ dedicated Airbus A380 “ Flying-Test-Bed ” .
Rolls-Royce Trent XWB