26 STARTING RACES

Races shall be started by using the following signals. Times shall be taken from the visual signals; the absence of a sound signal shall be disregarded.

Minutes before starting signal | Visual signal | Sound signal | Means
5* | Class flag | One | Warning signal
4 | P, I, Z, Z with I, U or black flag | One | Preparatory signal
1 | Preparatory flag removed | One long | One-minute
0 | Class flag removed | One | Starting signal

*or as stated in the sailing instructions

The warning signal for each succeeding class shall be made with or after the starting signal of the preceding class.