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.