The new version of my free utility, which supports PF3-ATC at its best and now also Multi Crew Experience, is available for download from:
https://sbsim.com/simrandomizer
Please feel free to ask any questions you have on the designated support forum, generously provided by Oncourse-Software (thank you, Dave):
viewforum.php?f=10
Randomizer 3 would never be released without the support of Ralf (RALF9636), PF3 Beta Team member. Thank you, Ralf, for your support and many smart ideas!
Roman