Used ILCA Carbon Parts Compass in very good condition.  Dual Hemisphere - use the 1 compass anywhere in the world Small and light, 260g, 14cm x 9cm x 10.5cm Dual lock 3M attachment Easy read Carbon construction Comes in a soft pouch for safe traveling and storage.

Using a compass on your ILCA can be a great help in assessing wind shifts. A compass can also be used to judge the bias in the start line, and the course layout. A guide to using a compass while racing can be found here.