Seems a bit early to be speculating on alcohol usage.
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From the untrained eye, it seems that the posters have been very polite and restrained in what they have said. Yes they have said "I wonder why they did not do......" which does imply without fact that the operator did something wrong. But, they have done so in a manner which is conducive to polite conversation rather than the typical "jump all over the Operator and accuse them of everything" which one usually finds in these threads.
I think you are bitching in the wrong thread because there are many other threads that are way worse that could use those words. Some of the A&I threads contain epic rants placing blame......this thread is composed and minor. A more productive response from you might have started with "While we do not know for sure that the could follow the diver (perhaps they had divers on the anchor line), would it have been prudent for the boat to leave other divers in the water to retrieve.........." and go on from there. You point out that there is inaccuracy in their claim AND you spur on conversation. You guys are usually very good at doing this.......maybe today is a bad day.
I don't think there was a crew or any professionals. It sounded like a private boat with a group of friends.I'm sorry, if someone jumps in without fins I would expect a member of the crew to notice. I would also expect the person concerned to holler pretty quickly, and for that to be noticed by a crew member. I've owned and operated dive boats for years (and dived from boats for many more years, all over the world), and even in pretty rough seas we've never come close to this situation arising. As I said, something doesn't sound right here.
No that is an important mistake to assume that the boat has to do all of that stuff... First of all, the boat should have a floatline off the stern stretching out a considerable distance from behind the anchored boat. A diver who forgets fins (and even forgets to turn his air on) would simply have to paddle over a few feet, grab the rope and his buddies could haul him in, laugh at him and dump him back in the water. Second, if you didn't put the floatline off the stern, and the diver is in distress, then a rescue swimmer could swim a rope and float to the diver. If that option is not available and there is a significant problem, you do NOT have to pull an anchor up...Just untie the anchor line and go get the diver.(should be able to be done in 60 seconds... running up on an anchor and pulling it, could take 5-8 minutes).... If the guy was simply unable to swim on the surface and could work his dive gear, he would have been located quickly by the boat (or the coast guard) if he really got away. MANY things would have to go wrong for this to happen and for a diver to be lost. Also, why would we assume that the two floaters would be separated. The rescue swimmer would stay with the immobilized diver on the surface. Who knows, but I suspect that the diver was not on the surface for long and probably sunk very soon after entering the water... No way the USCG is that incompetent that they can't locate a drifting diver from a known location and a known time in decent weather conditions....I recently did a dive in Florida in extremely strong current in which we were very much at the mercy of the surface current and very much dependent upon the skilled crew to get us back on board after the dive, and that was with our fins on. We had a line coming up from a wreck, but the boat chose not to tie off on it because of the fear of what that would do to the line as people ascended. What we ended up doing was hanging on to the float while the boat positioned itself relative to the current. Then we let go while the current swept us toward the boat and the crew member through a line to us. We did this one at a time so the crew could concentrate on one person at a time. On another dive I was starting to climb the ladder on the back of the boat when a huge wave knocked me off. This time I did not have my fins on--they were on my wrist. The boat had to turn around and re-position itself to pick me up again, and that took a while. In the meantime I just floated helplessly while the boat crew worked to get me.
In this case, the boat was apparently anchored, and they ended up with two divers in the water floating away rapidly. They had to pull the anchor, start the engine, turn around, and find the two floaters, who would be separating the whole time.
On another dive a while ago not far from there, my buddy and I were doing a drift dive with a flag. We were given a target time to surface while the boat followed the dive groups and their flags. We surfaced at the target time to find that the wind had come up and the seas were very high. When we were pitched to the top of a wave, we could for an instant see for quite a distance. There was no boat in sight. We were on the surface for at least 15 minutes before we saw the boat. It turned out that the other groups had surfaced just before us, and in the time it took to pick them up, we had drifted out of sight. The experienced crew knew the direction of our drift, and they were able to see our dive flag when the waves pitched us to the top. When we were in a wave trough, we were invisible.
I suspect that the diver in question was not carrying a surface marker buoy, which would have helped a lot.