Originally Posted by G1000
Not sure if your are right about VOR and customized weather or routing information
Take a look at Groupama sailing team:
Volvo Ocean Race 2011-2012 | Groupama sailing team
The navigator is Jan-Luck Nélias and is not aboard the boat, it is part of the team but not part of the crew, or at least it seems to be that way. I cannot find the rules.
Here an interview with him:
Volvo Ocean Race 2011-2012 | A cautionary tale from navigator Nélias