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| You'll
probably need a boat - here's Dan Berg's (Wreckvalley.com) |
A
knowledge of boat operation and tides tables (Photo by author) |
You'll
also need up-to-date charts -- paper or electronic (Photo by author) |
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| Wreck
locations can be pinpointed with ranges (Photo by author) |
You
may also need binoculars and a hand-bearing compass (Photo by author) |
Triangulations
can be measured with a sextant (Author's collection) |
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| A
GPS is a great tool for locating wrecks (Garmin.com) |
You
can check bottom contours with a fishfinder (Garmin.com) |
And
if you're well-connected or rich you can use side-scan sonar |
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| Here's
a side-scan image of a sailing ship (National Geographic) |
And
here's an artists sketch of what the sonar shows (National Geographic) |
Once
you find the wreck drop a weighted marker float (Photo by author) |
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| Hook the wreck with an anchor or grapnel (Photo by author) |
Then
it's time to hit the water and see what you've found (Photo by author) |
A
tow sled is a good tool for surveying a wreck site (Sketch by Bob Mannino) |