Safe water mark

The mid - fairway - mark (: safe water mark, also in mid - fairway signs or middle driving watermark ) is a navigation mark, which is used to buoyage of waterways. It applies to each of the middle of the fairway. It also referred to the scope of the German shipping line order ( SeeSchStrO ) than buoy the seaward beginning of waterways within the meaning of SeeSchStrO.

Appearance

A mid - fairway signs can be designed as ball, luminous or spar buoy or a rod. It's red and white stripes vertically and can have a red ball top marks. The barrel can be fired. The identifier is common mode, interrupt or flashing - lights in white color.