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RAYMARINE DRAGONFLY 7PRO

The prop-repair business is getting tougher every day thanks to better, more compact navigation. This is an insurance policy against expensive groundings. It’s compact and can be loaded with either C-Map or Navionics charts, and it includes Raymarine’s DownVision imaging for sonar readings and photolike structure images. It’s an impressively powerful navigation tool and available at a terrific price with C-Map Essentials USA charts. $549.99; raymarine.com