Spring Series 4

Actually, the answer may be for each safety boat to be equiped with a 'S' flag and appropriately coloured class flag(s), red in the case of yesterdays race. The RO would then ask a saftey boat to stand by having given the driver the appropriate instruction. The accompanying flags can be bought to competitors attention by the use of any sound signal,  e.g. a 'whistle' so as not to be confused with a finish who may here a hooter.
Just an idea....

...and a very good one. Easy to implement and add to the SI's, I would have thought.

Having done many an extra lap I have learnt to look at the lights at every pass of 29