Boeing has delivered the first F-22 Raptor Block 1.1 avionics flight test package to Lockheed Martin at Marietta, Georgia. Block 1.1 integrated avionics have completed more than 9,000h of testing in Boeing's avionics integration laboratory. Tests have also been performed in the Boeing 757 flying testbed. The package includes 80% of the final F-22 hardware configuration and more than 900,000 lines of code. Block 1.1 will be installed on aircraft 4004.
Source: Flight International