[TorpX]

Originally Posted by Amazigh1337

but... (again a but) i have a serious question.... as i'm not english / american or anything simular in language.

Cars and bikes ride
humans and animals run
Airplane fly
what does a sub so? apart from "dive dive dive"

If you are on a sub, you could say:

We are sailing at 10 knots.

We are cruising at 10 knots.

We are running at 10 knots.

We are steaming at 10 knots.

Oh, and Welcome Aboard! *anyway*