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While exploring a nice wreck just outside my window (1000 ft from my
apartment) I've been "run over" by some heavy shipping (10 000 metric tons)
on several occasions. After checking with the shipping agency it turns
out that the distance from yours truly to the ship could have been some
15-20 ft. The experience is truly impressive, a deafening noise from the
engines and a sound like gravel poured on a tin roof (cavitating props?)
The dive site is a rather narrow sound so during the ships passage water
is shifted, creating a strong current raising lots of muck in the already
murky water.
I guess several other people have similar experiences. Under which
circumstances does this get dangerous? My guess is that the prop suction
from a passing ship is usually overestimated whereas the currents from a
stationary ship *beginning* to crank up its screw could be a real hazard
to divers.
Dive safely :)
/RS
(o o)
+------------------------------oOO--(_)--OOo-----------------------------+
| Richard Soderberg, MD, PADI DM | The Karolinska Institute |
| Systems analyst | MIC-KIBIC |
| Voice#: +46 8 728 80 00 | Library and |
| Fax# : +46 8 33 04 81 | Medical Information Center |
| Snail : PO Box 200 | Doktorsringen 21 C, |
| S-177 77 Stockholm | S-104 01 Stockholm |
| Email :richard.soderberg@mi*.ki*.se* | SWEDEN |
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