Flag sequence is Five minutes, Four minues, One minute, Start as shown below:

Flag	Meaning	Time
	Class Flag (I flag) Raised	5 minutes prior to start
	Class Flag flying (I flag) and Preparatory Flag Raised (P flag)	4 minutes prior to start
	Prepatory flag lowered and Class Flag (I flag) flaying	1 minute prior to start
	All flags down	Race is underway