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Only a few weeks ago I've experienced a situation where I really needed a good signalling device: Site: Akumal, Mexico Wind: moderate breeze Water: 29C, waves approx. 3ft, moderate current Divers: my girlfriend, the DM and myself Boat: open, 18ft, crew: 2 Upon surfacing from the dive, the boat was nowhere in sight. On previous dives, the crew always followed our bubbles very cautiously. This time, probably due to the waves, they didn't :-( It took us a while to spot the boat, again, due to the waves. Then we tried our whistles (attached to the inflator hose), not good enough. Visions of 3 divers floating to Cuba began to appear :-) DM Jose Antonio, a very good DM from Mike Maddens Cedam Dive center Aventuras Akumal, had the following solution: take the first stage of the valve, open the valve holding the outlet just below the surface. This produces a lot of noice and a nice fountain of water. Enough to attract the crew's attention. So whenever you don't have a Dive Alert horn (might be a good solution, but $75 is a lot of money), this might do the trick. BTW, someone mentioned flares. Besides the obvious problem of keeping them dry (lots of problems, even when sailing), has anyone had problems bringing them on holidays ? I know most airport regulations forbid fireworks or explosives of anykind. I could imagine airport security not being very happy if you bring your flares. Obviously, I wouldn't put them in my carry-on luggage, but even then ?. Han --------------------------------------------------------------------- IIIII CCCCC TTTTTTT Han Weegink info only I C C T ICT Automatisering Deventer BV I C T Aerospace Group Holland I C T E-mail: weegink@ic*.nl* I C C T Telefax: +31 (0)5700 21362 IIIII CCCCC T TelePhone: +31 (0)5700 33888 ---------------------------------------------------------------------
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