Miscellaneous
Side-scan sonar is a modern method of underwater imaging that can produce remarkably detailed and realistic views of shipwrecks and other bottom features using sound rather than light.
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Wire dragging is an operation used to locate and/or reduce the navigational hazard of a sunken wreck, rock, or other obstruction.
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Port & Starboard
port - the left side of a ship, when facing forward
starboard - the right side of a ship, when facing forward
The starboard side of a vessel ( or an airplane ) carries a green running light, and the port side carries a red running light. The best way to remember all this is: port, left and red are all short words, while starboard, right, and green are all long(er) words.
More: Glossary of Terms ...
knife, the most tangible clue to the
identity of New Jersey's mystery U-boat.
In 1991, while checking out an obscure site known for hanging up fishing lines, I dropped down the anchor line only to find a virgin German U-boat. A wreck diver's fantasy of discovering a new shipwreck somehow had become a reality, and it was every bit as good as could be imagined. While reveling in the experience, I wondered if I would have enough skill and luck to ever make it happen again. Several discoveries later, the challenge is still irresistible.
More: Searching For Shipwrecks ...
Another entry from the Way-back machine:
"Gentleman George"
by Dan Berg
Note: George Hoffman passed away January 14, 1997, about a year after this article was written. His death is a great loss to the diving community and he will be missed by us all.
More: Captain George Hoffman ...
Marine distance measurements are expressed in terms of nautical miles. A nautical mile is significantly different from a common or statute mile. The conversion is 1 nautical mile = 1.151 statute miles, or approximately 6076 ft ( vs. 5280 ft for a statute mile. )
Why such a confounded thing as this? Here's why:
More: Distance & Navigation ...
