What is your most effective method to gathering ship nationality?

[Captain Nemo]

Originally Posted by Paul Riley

I too agree that the flags are way too dark at night,after all at night in real life you can determine most colours even if they appear a darker hue than in daylight.

Are you sure of that? In real life at sea in the pitch black of night with no artificial lights whatsoever, you could make out the colours of a flag? I'm not sure either having never had to do it, but I don't think it would be that easy. During the war I think the rule of thumb was if the ship was blacked out it was a valid target no matter what the nationality, it was a risk the u-boat commander was willing to take.

Nemo