Good question, Warren. And timely. Some years ago I was in the Southern Strait race out of Vancouver in which winds reached 55 knts. and I saw waves that were higher then my spreaders--and it was dark at night. I knew then if anyone fell overboard we wouldn't find them. Every year since when I raced my crew and I would practice MOB drills.
To be frank, there is only one way in my mind to rescue someone who has fallen in the water. Immediately throw out the Life Sling buoy and start turning the boat and press the MOB button on your GPS. Steer the boat around the person in the water until the line reaches them. Stop boat and pull them back to the boat.
After that Strait race, I bought a wet suit and jumped in while the crew tried different methods to get back to me. First, when in the water, seeing the boat leaving you is scary. Very scary. They had a hard time keeping me in sight. Once they spotted me they turn the boat around and headed under power back to me. Also very scary. That boat looks so big and you think they are going to run over you--even tho' you know they have someone watching. Getting me on board was also a problem and we had block and tackle ready to go. Finally some of my crew just reached over and pulled me on board.
Here are some observations. The figure eight system under sail was probably designed for full keel boats that take time to turn and stop. Stopping near a MOB is just as important as getting back to them. The quick turn works well with newer style boats with fin keels. Also we have practice doing the quick turn with all sails flying. Now the crew knows just to let all the sheets go--let the sails flog but get back to the MOB.
I don't race anymore but those practice trials stick in my mind still. My wife and I have talked a little bit of what we would do if EITHER of us went overboard. For some reason, everyone always assumes it would be the skipper. Ever since boats came with sugar scoop sterns, we have had one--much easier to get a MOB back on board. And when we had a larger boat (H380) we had an outboard engine hoist which was also rigged to bring a person on board. When you're in the water in this part of the world, you tire quickly. I don't think I could walk up a swim ladder without help.
Now that we have a much smaller boat (H27) I'v been thinking of how to use the new WinchRite to haul someone out and drag them into the stern.
You are right, Warren. Thinking now, even practicing will save lives. BTW, in a heavy storm, MOB poles are useless. There isn't a pole made that will stand up to thirty knot winds and in steep waves, you'll never see it. I think the new MOB GPS locators are something to look at.
My best to you...and don't fall overboard.