Preparatory Signals
P Preparatory signal.
I Rule 30.1 is in effect.
Z Rule 30.2 is in effect.
Black flag. Rule 30.3 is in effect.
Recall Signals
Shortened Course
X Individual recall.
First Substitute General recall. The warning signal will be made 1 minute after removal.
S The course has been shortened. Rule 32.2 is in effect.
Changing the Next Leg
C The position of the next mark has been changed:
to starboard;
to port;
to decrease the length of the leg;
to increase the length of the leg.
Other Signals
(no sound)
L Ashore: A notice to competitors has been posted. Afloat: Come within hail or follow this boat.
M The object displaying this signal replaces a missing mark. merkin.
Y Wear a personal flotation device.
Blue flag or shape. This race committee boat is in position at the finishing line.