Ritchie YB-500 Globemaster Compass - Yoke Mounted - Black - 5 Degree card - 12V

The Ritchie YB-500 Globemaster Compass is a professional-grade marine navigation instrument designed for reliable heading reference on vessels requiring precision steering and course maintenance. This yoke-mounted 12V compass features a 5-degree card dial that delivers accurate directional information across a wide range of maritime and specialized navigation applications. The open-face design with 90-degree lubber lines ensures rapid, intuitive heading reads from the helm, critical for maintaining course in demanding conditions.

Built on a foundation of hardened steel pivot and sapphire jewel movement, the YB-500 delivers the mechanical stability required for long-term accuracy. The 5-inch (127mm) dial face provides sufficient resolution for precise course-keeping, while the built-in semi-circular compensators enable compensation for local magnetic deviation—a critical factor on steel hulls or vehicles with metallic interference. Standard 3.5-inch quadrantal correctors address induced magnetism from surrounding equipment, with larger correctors available for specialized installations. The yoke mounting system integrates directly into most standard compass binnacles, streamlining installation on existing vessels or retrofit applications.

This instrument serves boat operators, offshore professionals, and navigation specialists who depend on proven mechanical compass technology as a backup to electronic systems or as a primary steering reference. The 12V power configuration supports illumination for night operations, while the robust construction handles the corrosive marine environment without sacrificing accuracy. The Ritchie YB-500 represents the traditional compass standard—unaffected by power loss, electronics failure, or electromagnetic interference—making it an essential addition to any serious marine vessel's navigation suite.