Estamating tonnage mod?

[Weisia]

There are several kaleuns which hardly used the recognition manual because of the huge amount of different ship types. They made an estimation based on the general appearance of the ship (how many funnels, seize of the ship, displacement).

Even when using a recognition manual I find it hard to believe that kaleuns at sea could estimate a ship on 6485 tons for example

[irish1958]

Originally Posted by Weisia

Even when using a recognition manual I find it hard to believe that kaleuns at sea could estimate a ship on 6485 tons for example

It's the same way you get to Carnegie Hall: practice, practice, practice. :rotfl:

[PhantomLord]

1. Many Kaleuns get the tonnage by asking survivors after the attack.
Of course not in a convoy battle...

2. They get the tonnage from BdU after the patrol. Just combining precise general appearance description from the kaleun, B-Dienst reports (german intelligence service) and confirmed sinking reports from the british...