Ritchie B-51 Marine Magnetic Compass - 3-inch High-Contrast Dial with 12V Green Lighting
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Navigate with unwavering confidence using the Ritchie B-51 Marine Magnetic Compass, engineered for precision and durability in demanding marine environments. This robust 3-inch direct-read compass features a high-contrast dial for superior readability in all conditions, complemented by integrated 12V green lighting for clear night navigation. Equipped with internal compensators, it ensures accurate readings by easily adjusting for magnetic deviation caused by onboard electronics and metalwork. The UV-stabilized marine-grade polymer housing provides exceptional resistance to sun, salt, and spray, preventing degradation and maintaining aesthetic integrity over years of use. Designed with a versatile bracket mount system, the B-51 offers flexible installation options across various vessel types. Its durable construction, precision gimbal system with brass pivots, and resistance to corrosion make it an essential navigation tool for any modern explorer. Dimensions include a 76mm dial, 133mm width, 108mm depth, and 107mm mounting hole for seamless integration. 
Frequently Asked Questions
- How do I ensure the Ritchie B-51 compass provides accurate readings on my vessel?
- The Ritchie B-51 is equipped with internal compensators that allow for easy adjustment to correct for magnetic deviation caused by your boat's electronics and metal structures. A simple compensation procedure ensures optimal accuracy, as detailed in the included user manual.
- Is the B-51 compass durable enough for harsh saltwater conditions and continuous sun exposure?
- Absolutely. The B-51 features a robust, UV-stabilized marine-grade ABS polymer housing, specifically engineered to resist degradation from sun, salt, and spray. Its brass gimbal components and salt spray tested internal hardware further ensure long-term corrosion resistance and reliability in demanding marine environments.
- Can I easily read the compass dial during night navigation?
- Yes, the Ritchie B-51 is designed with an integrated 12V green lighting system that illuminates the high-contrast 3-inch direct-read dial. This ensures excellent readability and precise bearing acquisition even in low-light or complete darkness, enhancing safety and navigational confidence.
Engineering Specs
ESTABLISHED 2017
AirowMarine
Professional Marine Hardware for a Safer Voyage.
Our Roots
Hong Kong Based, 8 Years of Expertise
The story of AirowMarine began eight years ago. Headquartered in Hong Kong, we have been dedicated to the global operation and brand building of marine accessories. These eight years of experience have taught us that on the unpredictable sea, every single component carries the trust and safety of the boat owner.
Supply Chain
Invested Factories in Mainland China
To ensure our products withstand extreme environments, we are more than just a bridge for trade. AirowMarine has invested in its own manufacturing facilities in Mainland China. Leveraging the region's mature and efficient industrial supply chain, we are deeply involved in the entire process—from raw material selection and precision machining to final assembly. We avoid exaggerated claims; instead, through professional logistics and rigorous quality control, we ensure every product delivered to you meets high nautical-grade standards.
Reliability
Strict QC & Global Logistics
As a provider of marine accessories, our business is intimately connected to the water. We believe that protecting the ocean is not just a slogan; it must be reflected in every detail of our business. Currently, AirowMarine is continuously optimizing our packaging solutions: we maximize the reduction of single-use plastics in our packaging and shipping processes, using recyclable paper-based cushioning materials whenever possible. Our products are built to power your voyage, while our packaging is designed to protect the purity of the blue sea.
Our Mission
Protecting the Blue, Plastic-Free
We are aware that there is always room for improvement, but we have never stopped in our pursuit of excellence and environmental responsibility. AirowMarine is committed to providing you with durable, reliable, and eco-conscious marine accessories.
