If the is no room for a permanent chart table, a flat board large enough to take a folded chart measuring at least 60 x 75 cm (24 x 30 in) but able to be stowed away should be used. The chart is clipped to the board and used on http://sethlwbee.blogs-service.com/19963735/navigation-compass-for-boat-no-hay-m-s-de-un-misterio