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The windward mark — Rule 18 and the zone

Three boat-lengths from the mark, the rules shift. Mark room, inside overlaps, tacking inside the zone, port-tack approaches on the layline.

When the Starboard Boat Still Gets Penalised

When the right-of-way boat still gets penalised.

Tacking at the Windward Mark — Port or Starboard? (Case 9)

The Rule 18.3 trap at the windward mark.

The Boat Behind Won't Tack at the Mark — Can She Do That?

A boat behind owes you mark-room — not a tack.

She Came In From a Different Angle — Can I Shut the Door? (Case 12)

It looks like barging — it isn't. Inside the zone you owe mark-room.

We Collided at a Mark With Damage — How Can BOTH Be Disqualified? (Case 26)

Right of way is not a right to collide — keep a lookout.

You Tacked onto Starboard at the Mark and Got Hit — Why Are You Out? (Case 27)

Tack too close and the crash is yours — even when she hits you.

You May Take Inside Room You Weren't Owed — At Your Own Risk (Case 63)

That gap on the inside? You're allowed to take it — at your own risk.

Your Mark-Room Doesn't Survive Your Own Tack (Case 81)

Mark-room gives you room to round — it doesn't survive your own tack.

One Radio Call Got Her Disqualified (Case 100)

Ask for tactics on the radio and you're out.

The Windward-Mark Mistake That Disqualifies You (Case 95)

Tack inside the zone and every line afterwards loses.

New Right of Way? Give Room First (Case 93)

New right of way? Give room before you luff.