Board Thread:General Discussion/@comment-25467429-20150502130629/@comment-25370154-20150504114536

72.240.25.77 wrote: What I can't understand is the justification for the price of upgrading one over the other. The stats so far are very similar. Someone said this, I am quoting him:

''The ADF-01 -OS- is available for everyone, and its initial stats outclass most of common aircrafts new players usually play with. If such aircraft had standard upgrade costs, it would make the game unbalanced.''