On Saturday, 28 November 1998, Thanksgiving Day weekend, Captain Tom "Rhino" Hancock died on Lake Erie off Cleveland, Ohio, where he had spent the holiday with family. "The Rhino" was an old Navy buddy of mine, and had taken up paddling only during the last year. Following that incident, I wrote up some preliminary reports on his death, but wanted to wait until the Coroner's and the Ohio Department of Natural Resources' report was released to put out the final, official word. Bureaucracy has relented, that report has now been released --- and there are no real surprises. (Please accept the originator's permission to reprint or pass this post on to other paddlers in its complete form.) For a brief review, Rhino went out on a solo paddle to "the crib", a highly visible structure about three miles offshore that serves as an undewater inlet for Cleveland's water supply. It's something of a landmark in the area, apparently. (He had tried to go out to the crib three weeks earlier, but had turned back because of fatigue.) The day of his death, he was wearing a blue drysuit, a yellow type III PFD, skirt, booties and gloves, and was found three quarters of a mile east of the crib, separated from his boat, a yellow over white fiberglass Necky sea kayak (hull number GNK08246G298 --- a new boat) with his paddle attached to the boat by means of a paddle leash. The water temperature was 50 degrees F. at the crib intake point, 35 feet below the surface; we can presume that the water temperature at the surface would probably have been closer to 45 degrees F. Winds were light and there was only low chop. The boat was found at a considerable distance from the body. So what went wrong? We can only speculate, but the air temperature was rising during the day through the 50s F., and we can guess that Rhino was overheating because, at some point during the paddle, he unzipped his drysuit at the top, leaving an opening estimated to be six to eight inches long --- not an inadvertent failure to snug up of the zipper, but something clearly meant to allow thermal venting. (The relief zipper on his suit was closed.) When he capsized --- reasons unknown --- he was met with the cold shock of nominally 45 degree F. water on his face and unprotected head followed immediately by a rush of numbing water into his drysuit. (The investigating officer observed that Rhino was wearing "a gray tee shirt" under his drysuit; subsequent interviews and investigations have not turned up more details on what if any insulation he was wearing under the suit, but no amount of dry insulation would have provided any effective long term insulation with a drysuit flooded by a six inch opening. The flushing of water through an opening of that size would have obviated any "wetsuit" insulation effect provided by the membrane of the drysuit and even the thickest synthetic pile or wool.) So the final question: what was the cause of death? The Coroner's report states that Rhino died of "immersion hypothermia and drowning". From some familiarity with cold water paddling, we can assume that hypothermia resulted in a loss of physical control which then resulted in drowning. Earlier suggestions of cardiac arrest were, apparently, incorrect. He became hypothermic and eventually drowned. What went wrong? In this case, there are a few things that jump out. - Rhino was a relatively new paddler. (He and I had discussed sea kayaking in the past, and I knew that he had been interested in becoming involved in the sport; the reports and conversation with the family indicated that he did have at least some sea kayaking training. We lost contact after his retirement from the Navy a couple of years ago.) But he had only one year's experience and was paddling alone, offshore, in "cold water" conditions. Whether or not we choose to see that as significant in general, it was a specific contributing factor in Rhino's death. Had he been with a partner, an assisted rescue might have been attempted; ambient conditions were generally benign, other than the water termperature. - While he seemed at least partially equipped for cold water paddling --- the new Necky kayak, a drysuit, a skirt, appropriate PFD, gloves and booties --- he was not wearing head protection, nor was he reported to have had any with him on this trip. Of much greater significance, and we can easily speculate as the prime contributor to his death, his drysuit was not fully zipped closed. Again, speculation, he may have felt that he would have time to zip the suit back up should he encounter trouble. But the cold shock to his unprotected head and the sudden and immediate incursion of cold water into the suit --- coupled with the fact that his PFD would have ridden up sufficiently to cover the drysuit opening --- probably incapacitated him immediately, making it impossible for him to close his suit. (Assuming he could have closed the suit back up after it flooded, appropriate thermal insulation --- had he been wearing it --- might have extended his survivability to some degree, but this seems unlikely.) Lessons-learned: in "cold water" paddling --- however we choose to define "cold" --- a drysuit is of no value if it is not fully zipped at all times when on the water. Adequte head and neck protection in the form of a neoprene hood or a hood of Malden Mills "Thermal Stretch" or "Rubberized Thermal Stretch" or similar composite material, is absolutely essential, and should arguably be worn at all times when on the water. (There are proponents of carrying a hood as opposed to wearing one; there is evidence in this case that suggests, since Rhino could not close the zipper in his drysuit, he might well not have been able to put on a hood, once in the water, if he had had one with him. Of greater significance, once he had capsized and was in the water, the initial damage of cold shock had begun, with the intense head and facial pain of cold water entry and consequent disorientation contributing directly to his inability to recover on his own.) And we can speculate that, even if the zipper on his drysuit had been closed, the lack of thermal protection to his head and neck --- where a swimmer loses the vast majority of body heat in any event --- and the apparent absence of thermal insulation under his drysuit would have induced hypothermia and resulted in death by drowning almost as quickly as it probably did in this case. Conversely, had he had his drysuit fully zipped, had he been wearing a hood of neoprene or functionally equivalent composite material, and had he had appropriate thermal insulation under his drysuit, his capsize under the existing environmental conditions could easily have resulted in a self rescue or a survivable float until assisted rescue could have occurred. The bottom line: I joined a few hundred people --- family and many friends --- to bury an old Navy buddy at Arlington National Cemetary on a cold, bright morning last December. The ceremony was impressive --- the flag-draped casket on a horse drawn gun caisson, an honor guard, a band --- with full military honors and taps called away by a bugler. But it was an unnecessary trip to Arlington. It could have been prevented by the buddy we went there to honor. If something good ever comes out of incidents like this, you've read about a preventable death of a fellow sea kayaker, and maybe you'll build the contributing factors to the event into your preparation for your next trip. Thanks for reading this note --- I hope it wasn't as much of a terrible use of time for you as listening to that bugler was for me. Jack Martin *************************************************************************** PaddleWise Paddling Mailing List Submissions: paddlewise_at_lists.intelenet.net Subscriptions: paddlewise-request_at_lists.intelenet.net Website: http://www.gasp-seakayak.net/paddlewise/ ***************************************************************************Received on Fri Mar 12 1999 - 09:29:48 PST
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