INTERNATIONAL SAILING FEDERATION (ISAF)

Note: Content on this page is referenced from the ISAF website. Visit www.sailing.org for recent updates and addendums.

RACING RULES
OF SAILING

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DEFINITIONS

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RACE SIGNALS

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- Postponement

- Abandonment

- Preparatory

- RecallS

- Course ChangeS

- Others

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Racing Signals

The meanings of visual and sound signals are stated below:

An arrow pointing up or down () means that a visual signal is displayed or removed.
A dot () means a short sound.
Five short dashes () mean repetitive sounds.
A long dash () means a long sound.

When a visual signal is displayed over a class flag, the signal applies only to that class.


Postponement Signals

AP
Races not started are postponed. The warning signal will be made 1 minute after removal unless at that time the race is postponed again or abandoned.

AP over H
Races not started are postponed. Further signals ashore.
AP over A
Races not started are postponed. No more racing today.
Pennant 1 Pennant 2 Pennant 3
Pennant 4 Pennant 5 Pennant 6
AP over a numeral pennant 1– 6
Postponement of 1–6 hours from the scheduled starting time.

Abandonment Signals


N
All races that have started are abandoned. Return to the starting area. The warning signal will be made 1 minute after removal unless at that time the race is abandoned again or postponed.

N over H
All races are abandoned. Further signals ashore.
N over A
All races are abandoned. No more racing today.


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

X
Individual recall.
First Substitute General recall.
The warning signal will be made 1 minute after removal.

Course Change Signals

S
The course has been shortened. Rule 32.2 is in effect.
C
The position of the next mark has been changed.

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.
Y
Wear personal buoyancy.
Blue flag or shape.
This race committee boat is in position at the finishing line.