Vessels Day Shapes

This page lists of the various symbols in the Vessels Day Shapes group.

Day shapes are mast head signals visually indicating the status of a vessel to other vessels on navigable waters during daylight hours whether making-way, anchored, or aground. These signals consist of a set of simple geometric shapes: ball, cylinder, cone, and diamond that are displayed, hung from a mast, in a prescribed manner to indicate a vessel's operational status; some of these signals may be somewhat involved.

Symbols in this group:

1 ball plus 1 diamond plus1 ball

Restricted in ability to maneuver

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2 cones (vert. line)

Fishing (commercial)

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3 Balls


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Vessel under sail & power

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Constrained by draft

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"Vessels Day Shapes Symbols." STANDS4 LLC, 2020. Web. 11 Jul 2020. <>.

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