... there isn't a maze, the cavern is large; and there is a tiny but visible window which I think anyone can locate...
There is something of a maze, if you go right on entering the large cavern (although Cousteau certainly managed to make it look more impressive than it is, I'll grant). It has silted out, sometimes if a turtle or fish is trapped inside. It's a proper cave dive, and needs a line...
Perhaps there is something unusual about British divers that causes the fatality, but in reality, a rapid ascent is a manageable event... as long as there is no pulmonary restriction.
Unusual? The British Sub-Aqua Club has long cooperated with the police, hospitals and decompression chambers to investigate diving deaths in the UK, if that's unusual. One thing that became clear many years ago is that there's a world of difference between a planned rapid ascent in training and one made in an emergency, particularly if there is a regulator failure or, heaven forbid, an out-of-air situation. I think that you're dangerously sanguine: how many burst lungs are too many? I also think it's silly to distinguish between the rapid ascent and failure to exhale: they are, of course, two sides of the same coin.
Personal choice this. I find no issue with keeping a track of my buoyancy using both drysuit and wing.
I have to disagree. In the 1980s a number of British divers drowned, tipped over and held head-down when making shallow-water entries or exits with over-inflated drysuits, but there are also rapid ascents, caused by confusion between drysuit and BC, that are equally dangerous.
And if the thing does get away from you, relax and enjoy the ride... just breath fast on the way up!
And that's just stupid, I'm afraid. Many British diving fatalities are associated with rapid ascents.
It will be 10m/33ft MAX so not too much to go wrong.
Unfortunately, that's completely wrong. Shallow dives are where drysuits are at their most difficult. Small vertical movements result in large changes in bouyancy; the suit is much easier to drive below 10m...
I remember Tim and Alex had a roving rhino issue a few years back! . The Tulamben beach shoreline is lined with smooth rocks, some pretty large, which makes it difficult for ingress and egress for shore diving with a big rig and gear, especially when the waves get a little choppy...
... and someone may have the photographs of me falling over with my Nauticam rig to prove it! I recommend leaning on your partner and both putting on and taking off fins in 3-4 feet of water...
Posted by tdpriest
on 28 September 2014 - 04:09 AM
Just remember that creatures move around and that "here today, gone tomorrow" is the rule: good guides are a godsend! Mantas (and Mola mola) are unpredictable, and you can spend a lot of time for little photographic joy: on an 8-day schedule I would think hard about giving them a miss. 8 days isn't even long enough to do Tulamben justice.
Here's what I found in Tulamben (Scuba Seraya) and Menjangan (Mimpi) a couple of years ago.