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Mark room or Port/Starboard

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AlexM View Drop Down
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Post Options Post Options   Quote AlexM Quote  Post ReplyReply Direct Link To This Post Topic: Mark room or Port/Starboard
    Posted: 17 Dec 12 at 9:31pm
What software is that?
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Presuming Ed View Drop Down
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Post Options Post Options   Quote Presuming Ed Quote  Post ReplyReply Direct Link To This Post Posted: 17 Dec 12 at 9:30pm
Still at the mark. Ping blue for not giving mark room. 
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Simon368 View Drop Down
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Post Options Post Options   Quote Simon368 Quote  Post ReplyReply Direct Link To This Post Posted: 17 Dec 12 at 9:17pm
like this:
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Post Options Post Options   Quote Simon368 Quote  Post ReplyReply Direct Link To This Post Posted: 17 Dec 12 at 8:54pm
i will try to use the software to show positions but I was 'overlapped to windward and on the indside 'as I approached the mark and the mark would have been alonside my staboard side amidships as I existed the tack on port
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Post Options Post Options   Quote Simon368 Quote  Post ReplyReply Direct Link To This Post Posted: 17 Dec 12 at 8:48pm
Just re-read my post and realised the phrase 'tide was pushing me off' has been misunderstood. I was heading into the tide as I approached the mark and was leaving enough room to make sure the tide did not push me onto it.
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Presuming Ed View Drop Down
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Post Options Post Options   Quote Presuming Ed Quote  Post ReplyReply Direct Link To This Post Posted: 17 Dec 12 at 8:44pm
Mark-Room Room for a boat to sail to the mark, and then room to sail her proper course while at the mark. However, mark-room does not include room to tack unless the boat is overlapped to windward and on the inside of the boat required to give mark-room.

18.1 When Rule 18 Applies
Rule 18 applies between boats when they are required to leave a 
mark on the same side and at least one of them is in the zone.

Best to draw a picture. Boat Scenario is free. http://boats.sourceforge.net/

Fundamentally - where was the mark when contact made? 


Edited by Presuming Ed - 17 Dec 12 at 8:50pm
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Rupert View Drop Down
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Post Options Post Options   Quote Rupert Quote  Post ReplyReply Direct Link To This Post Posted: 17 Dec 12 at 8:19pm
I thought the tide was relevant because it was the tide which prevented you from moving forwards out of the way of the other boat after your tack.

I'm pretty sure I've been in this situation on rivers many times, and boats arriving at the mark when the boats that are already there have "rounded" but are failing to move against the tide have to be avoided. If you try and get through the gap which is sometimes left in these cases you are in the wrong if you don't have the space you thought you might, so I really can't see how the boat on Starboard can luff into you at all.
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Simon368 View Drop Down
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Post Options Post Options   Quote Simon368 Quote  Post ReplyReply Direct Link To This Post Posted: 17 Dec 12 at 8:04pm
Hi Rupert, I dont think the tide is relavent as this would apply to any mark where you are reaching in to and away from the mark. The only proper course was to tack round the mark. The Streaker arguement was that once I had tacked the rounding was complete and only port / starboard applied. The question is does it?
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Rupert View Drop Down
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Post Options Post Options   Quote Rupert Quote  Post ReplyReply Direct Link To This Post Posted: 17 Dec 12 at 6:11pm
Surely there has to be time and opportunity to keep clear following the tack?  If the tide is taking you, then opportunity is not there. And if you are still in the process of rounding the mark, then you still have mark room. And, as was said, if a boat deliberately luffs to hit you, they are in the wrong, whatever else happens.
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Simon368 View Drop Down
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Post Options Post Options   Quote Simon368 Quote  Post ReplyReply Direct Link To This Post Posted: 17 Dec 12 at 5:01pm
case 15 concerns a boat clear astern. A boat clear astern can stop a boat ahead tacking, simple but the Streaker was overlapped on the outside and obliged the give room. Both helms agree with this. Does this still mean the inside boat cannot tack round the mark. If so what was the point of getting the overlap?
Case 25, Luightning to windward and with an overlap was not sailing below proper her course,
Case 95 concerns beating, we were on a typical river course. reach down to a mark, tack round it reach back.
I think the point in questions is whether the action of tacking from starboard to port whilst rounding the mark is allowed in rule 18 when the outside boat (on starboard) can alter course immediately you have tacked to make contact and call starboard.
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