Sail USVI|交通運輸線上App不用買-HotApp4Game

Sail USVI displays high-resolution marine navigation charts for sailors and boaters in the US Virgin Islands. The application uses NOAA vector charts that have been converted into huge, high-resolution images. The images have been highly optimized for fast, efficient panning and zooming. When viewing charts, the application will obtain GPS coordinates from your iPhone or iPad (if available) and will plot your location on the chart. Your speed and bearing will also be shown. The charts are based on NOAA data as of November 2012. The following charts are included: 1. 25640 - Puerto Rico and Virgin Islands2. 25641 - Virgin Islands Virgin Gorda to St Thomas and St Croix3. 25644 - Frederiksted Road4. 25645 - Christiansted Harbor5. 25647 - Pillsbury Sound6. 25649 - St Thomas Harbor7. 25650 - Virgin Passage and Sonda De Vieques8. 25653 - Isla De Culebra and Approaches9. 25663 - Pasaje De San Juan to Puerto De HumacaoThe charts are stored on your device for off-line viewing. While the charts are based on NOAA data they should only be used as a navigational aid and not as a substitute for navigational equipment required under law or marine regulations. Special thanks to Bob Webster for converting the charts to PNG format.