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A blue cross on white.
Also known as: X flag
The signal flag meaning one or more boats were over the line at the start and must return and restart.
Signals one or more boats were over the line at the start and must return and restart.
Contexts: Public information
Does not name the boats: the flag says that someone was over and leaves each competitor to judge whether it was them, which is a deliberate design putting the burden on the sailor.
Contexts: Public information
A white rectangular flag carrying a blue diagonal cross, displayed with one sound signal immediately after the start.