On 7 July 2017, Bell Helicopter announced the Bell 525 Relentless program has resumed flight test activity after receiving experimental certificate renewal from the Federal Aviation Administration (FAA)
http://www.bellhelicopter.com/news/pres ... st-program
Note: see http://forum.scramble.nl/viewtopic.php? ... 40#p832140 about the fatal crash of the prototype on 6 July 2016