Airmar TM150M300WThis 300 W plastic transom mount with CHIRP technology has a maximum depth of 1,500 ft; an operating frequency of 95 to 155 kHz; a beamwidth of 26/17 degrees; and mounts on a 3 to 20 degree transom.Transducer kit comes with installation instructions. Follow the instructions carefull...

This expanded and updated edition of Thomas Ask’s Handbook of Marine Surveying will be welcomed by students of marine surveying, professional marine surveyors, boatyard operators and technically-minded boat owners. It covers the latest surveying technology, including an analysis of the mechanical be...

Whether out for an afternoon's sail or embarking on a long offshore passage, there is always an element of chance and uncertainty about being at sea. To be responsible for the well-being of both crew and vessel, good skippers need to know their limitations and ensure they are operating well within t...

Water is the most essential component of any emergency kit. Datrex Water Packets uses a complex filtering and packaging process to insure their water sachets are safe for 5 years in even the harshest conditions. Each sachet contains 125mL of water. Perfect for rationing. And the strong, yet lightwei...

This Russian Version,watch type fish finder is a combo unit that allows you to choose either Wireless fish finder user mode or Clock user mode. Detects both fish location and depth in both fresh and salt water. User selectable meter (m) or feet (ft) readings and °C or °F temperature unit. Display F...