Description

Code "Delta" means: "Keep clear of me, I am manoevering with difficulty in shallow waters." Code "Gr." means Grössen (Sizes). Sizes are divided into Roman Numerals: Gr. I (flag size 50 cm ... ship size up to 500 tons), Gr. II (flag size 100cm ... ship size ?? tons), Gr. III (flag size 150cm ... ship size ?? tons), Gr. IV (flag size 240cm ... ship size 1500 tons & up).