It is perfectly reasonable for an LSF ship to assume that the only way to enter Earhart is via the Alaska passage, unless you expect them to metagame knowledge about Thuringia and co. Even if there was something faulty, two negatives don't make a positive. A player shieldrunning around a barge for twenty minutes is essentially nothing but wasting the time of the player that dared to interact with your player. Unless you want to be known for wasting other people's time, that is something that shouldn't get repeated. Please consider that in future.
