Cogs sailing to America?

[Soul Reaver]

Hi all.
How do i stop cogs sailing to the Americas on the first turn, using Sb2eans 2.4 bigmap, any help would be much appreciated as this is driving me nuts.:wall:
Thanks in advance to anyone who can help.
Soul Reaver.

[FactionHeir]

I'm not sure, but I think it might be the heavy_warship classification. Only ocean faring ships seem to have that one.

[Hellenic_Hoplite]

If it is: It would most likely be under export descr units.