Miscellaneous
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:
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Alpha-Numeric Signal Flags
In this modern age of radio, these signal flags are a quaint anachronism that is no longer used, although they were once very important in ship-to-shore and ship-to-ship communications. Each flag stands for both a letter value and a shorthand message. The letters are expressed here in the modern international phonetic alphabet, in which A-B-C would be spoken Alpha-Bravo-Charlie (see below).
More: Nautical Signal Flags ...
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 ...
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 ...
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.
More: Side-scan Sonar ...
New Jersey scuba divers provide evidence of the identity of a popular New Jersey dive site
More: Identifying The Emerald ...
