Sorry, couldn`t resist. If you search a little bit the forums you will found some threads about WoV. Unfortunately there are no Mods or Tweaks AFAIK.
...But the POTENTIAL!!! I will ceaselessly weep, what a beautiful sim this COULD have been. That is all...
Sure, but it did not happen. We can only hope that someone will make a Nam helicopter sim some day. I would say that Gaijin Entertainment (Apache Air Assault) have a capable engine for such a game, but....you know...