Meeting the challenges

Article Abstract:

The Vessel Traffic Information System (VTIS) provides accurate navigational assistance to ships under any weather condition. It also improves safety and efficiency in port operations. VTIS is an autonomous system jointly developed by Ross Engineering and Tampa Bay Pilots Assn.

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Cruising yachtsman: dealing with downbursts

Article Abstract:

Boats at sea can be adversely affected by severe downbursts, which are sudden downdrafts with wind speeds of up to 150 mph. Downbursts can be classified as dry or wet and macro (more than 2.5 miles in diameter) or micro (less than 2.5 miles in diameter).

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Avoiding collisions

Article Abstract:

A proposed vessel traffic information system based on vessel reports of Global Positioning System (GPS)-derived position and identity via VHF radio could prevent boat collisions. The system requires a transponder-mode-capable VHF/DSC radio and a GPS.

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