Code of Federal Regulations Title 46. Shipping § 46.154.1830 Warning sign

(1) At the gangway facing the shore so that the sign may be seen from the shore;  and

(2) Facing outboard towards the water so that the sign may be seen from the water.

(1) Warning.

(2) Dangerous Cargo.

(3) No Visitors.

(4) No Smoking.

(5) No Open Lights.

(1) Be block style;

(2) Be black on a white background;

(3) Be 7.6 cm (3 in.) high;

(4) Be 5.1 cm (2 in.) wide, except for “M” and “W” which must be 7.6 cm (3 in.) wide, and the letter “I” which may be 1.3 cm ( 1/2 in.) wide;  and

(5) Have 1.3 cm ( 1/2 in.) stroke width.

(1) 1.3 cm ( 1/2 in.) between letters of the same word on the sign;

(2) 5.1 cm (2 in.) between words;

(3) 5.1 cm (2 in.) between lines;  and

(4) 5.1 cm (2 in.) at the borders of the sign.