Ritchie Helmsman Flush Mount Compass - Black HF-742 The Ritchie Helmsman Flush Mount Marine Compass is easy to install and is a reliable navigation tool for boaters. This compass features built-in NiteVu night illumination for navigating in dark conditions, as well as a movable sun shield to reduce glare in bright conditions. The Helmsman Compass built-in compensators allow for easy adjustments for deviation. PowerDamp Flat Dial allows you to look down on the compass to see the course heading. F