A couple of interesting random facts that I came across today, about the ferries that operate in the Baltic, including between Tallinn and Helsinki:
- Many of these ships have an ice class of 1A Super, which means they can travel through sea lanes where the ice is one metre thick, provided they have an icebreaker out front to break it up a bit.
- At least some of these ships (belonging to the Finnish shipping company EckerÃ¶ Line) were specifically made NATO-compatible, so that they could be rapidly converted into troop carriers in the result of the Cold War becoming hot.
The details of icebreaker design are quite interesting, though I suspect that building them will not be a growth business in the decades to come. Of course, if the northern polar region melted enough for icebreaking routes to be profitable forms of shipping, that might prove to be untrue for a certain period of time.