Restricted in her ability to Maneuver

A vessel restricted in her ability to manoeuvre, except a vessel engaged in mine clearance operations, shall exhibit:

• three all-round lights in a vertical line where they can best be seen. The highest and lowest of these lights shall be red and the middle light shall be white;
• three shapes in a vertical line where they can best be seen. The highest and lowest of these shapes shall be balls and the middle one a diamond;
• when making way through the water, also a masthead light or lights, sidelights and a sternlight

Restricted in her ability to manoeuvre, not making way through the water
	Day sign: two black spheres and in the middle a black diamond shape
Abeam, port side	Ahead	Astern
Restricted in her ability to manoeuvre, making way through the water, longer than 50 m
Abeam, port side	Ahead	Astern