1.   Hurricane updates, nautical charts and ocean currents are just a few of the things available at the site hosted by the National Oceanic and Atmospheric Administration.

2.   Interspersed with such dubiously sweeping statements is interesting information about the development of related maritime technologies, especially accurate nautical charts.

3.   Linked to a GPS receiver, a laptop computer can tell the boater which way to head and track the journey on digitized nautical charts on the computer screen.

4.   Portuguese guarded the secret of the cloves on the Spice Islands by publishing false nautical charts designed to cause shipwrecks.

5.   The plotter also accepts nautical chart cards that produce an electronic map on the display screen.

6.   The Whiting, a vessel usually used to survey ocean coastal waters and make nautical charts, arrived at the crash site early Tuesday.

7.   Using an additional database, the fancier units can superimpose a nautical chart background, including lights and buoys, on the screen.