000-11

Updated: May 23, 2025

He puts a coloured dot, the tint of which varies with the tonnage, black up to 2,000, blue from 2,000-5,000, brown 5,000-8,000, green 8,000-11,000, and a red spot with the ship's name for anything over 11,000. He has got about 120,000 tons at present.

Sir Stephen King-Hall - The Diary of a U-boat Commander: With an Introduction and Explanatory Notes by Etienne