Forum: The Racing Rules of Sailing

Drifting leeward mark reset while boats heading towards it

Paul White
Nationality: Australia
Situation (not subject to a hearing or proceeding)

A windward - leeward course with a leeward gate in light variable winds. Due to a strong current, one of the gate marks had drifted to leeward on the same bearing from the windward mark.

The mark-drift was noticed by the race officer as the fleet rounded the windward mark. A mark-boat was deployed to reset the mark  in its original position which was completed when the fleet was half way down the leeward leg.

After racing, a competitor suggested that the proper process for moving a mark (sound warnings from a boat at the previous mark with a board showing the new bearing and/or distance) was not  followed.

Question: 

Should the race officer have warned of a course change when resetting the mark to its original position?
Created: 23-Sep-25 14:34

Comments

John Christman
Nationality: United States
Certifications:
  • Club Race Officer
  • National Judge
  • National Umpire
3
I think rule 34(a) covers this.  There are no required signals for this action.  Only rule 34(b) requires signals for a missing/replaced mark.  Rule 33 doesn't apply as the course was not changed, the mark was put back in its original position.  The SI would be the place to look for instructions on what to do if one of the gate marks was considered missing, which is not the case here.
Created: 23-Sep-25 14:49
Tom Shenstone
Nationality: Canada
Certifications:
  • Regional Race Officer
  • Club Race Officer
3
I don't see this as a course change, rather a missing mark, rectified, although the question does arise as to whether the rectification was early enough that no competitor was disadvantaged (for a jury, but I expect that yes it was).  Redress isn't due unless placings were affected.

In practice, when I'm writing the SIs, I put in a provision to the effect that if 2p or 2s is missing, the other is to be rounded to port.  Then the mark boat (and RO) has the option of just pulling out the drifting mark, which can be done faster than re-positoning the drifting mark.
Created: 23-Sep-25 15:17
P
Nicholas Kotsatos
Nationality: United States
Certifications:
  • Judge In Training
0
If the new mark deployed was of a different color / shape, then it gets a little murkier. In theory, 34 B would apply. However, if there's no disadvantage caused, then even an omission by the RC does not automatically suggest redress. Most SI's cover a missing gate mark as well.
Created: 23-Sep-25 19:00
Tom Shenstone
Nationality: Canada
Certifications:
  • Regional Race Officer
  • Club Race Officer
0
If you're going to put in a new mark, the RO in me says let it be a mark boat flying M, so no confusion.
Created: 23-Sep-25 20:14
Jeremey Atkinson
Nationality: Australia
Certifications:
  • National Measurer
  • National Judge
  • National Umpire
  • International Race Officer
2
This is a case of a mark missing or out of position. Rule 34 place a compulsion on the RC to do something about it and the rule does not place any “time or stage of the race” for this to be done. This case is covered by the actions required under Rule 34(a).
34. If a mark is missing our out of position while boats are racing, the Race Committee shall, if possible:
a) replace it in its original position, or replace it with a mark of similar appearance.

There is no requirement in r34(a) for any sound signal or flags. In rule 34(b) when replacing the mark with a mark or object of dissimilar appearance (often a mark boat) the object replacing the mark needs to have Flag M attached to it and repetitive sound signals need to be made, but at the mark not the previous mark.
Created: 23-Sep-25 21:47
Gordon Davies
Nationality: Ireland
Certifications:
  • International Judge
2
From a judges point of view the key question woukd be 'was any boat's score made significantly worse by the race committee's action?'
Created: 23-Sep-26 13:34
P
John Allan
Nationality: Australia
Certifications:
  • National Judge
  • Regional Race Officer
0
I'm inclined to think that judges should first ask whether there was any improper action or omission.

If you start by asking whether boats' scores were made worse, you seem to be making an assumption about the impropriety.
Created: 23-Sep-27 13:05
Gordon Davies
Nationality: Ireland
Certifications:
  • International Judge
0
Not at all, the 3 conditions for redress apply simultaneously: improper action, no fault of her own and score made significantly worse.
If any one condition is met then there are no grounds for redress.
It doesn't matter how improper the RC's actions were, if the actions did not affect a boat's score then there is no redress.

In some cases it satisfies the initiator of a request for redress that the PC concludes that the RC made an improper action, but that did not make a boat's score worse so no redress. All the initiator wants is for the PC to recognise that the RC got things wrong.
Created: 23-Sep-27 13:32
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