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October 2011

Icy rescues

Preparing for cold water immersion

Dealing with an unexpected plunge into cold water should be at the top of every boater’s safety list, especially during the off-season when fewer people are around to lend assistance.

Icy water can trigger an involuntary gasping reflex, causing a person who takes an unexpected plunge to inhale water and drown. Frigid temperatures can also cause cold-water shock—a sudden increase in heart rate and blood pressure—that can bring about cardiac arrest in those with heart conditions.

If you survive the initial immersion, you may quickly become too numb to aid in your own rescue. Fingers may no longer work; you might not be able to grab a rope, fire a flare or climb into a life raft.

Physical activity, such as thrashing in the water or trying to swim, may only speed up the heat loss and raise the possibility of cold water immersion hypothermia.

If you do fall into cold water and can’t immediately get out, stay with the boat. Fold your arms across your chest and cross your legs in the Heat Escape Lessening Position (HELP) to minimize heat loss. If another person is in the water with you, put your arms around each other. Float quietly with minimal exertion until help arrives.

HELP

Take the following precautions to increase your chances of surviving a fall into very cold water:

  • Wear a properly fitting, U.S. Coast Guard-approved life jacket at all times to dramatically increase your chances of surviving cold water immersion. Keep a whistle attached to the jacket or on a cord around your wrist to help attract attention.
  • Wear garments that retain body heat when wet. Layer clothing and consider donning a wet suit under your clothing. Carry a dry change of clothing in a waterproof bag.
  • Mount a boarding ladder or swim step on the boat or purchase a life sling and practice using it to get another person back onboard. Getting a partially incapacitated person into a boat can be difficult, even with training.

For more tips on boating safety, visit uscgboating.org.

 

 

Stay warm and look cool in this spiffy sailcloth jacket.

Mastering Marlinespike

Stevedore knot

Also known as a heaving line knot, the stevedore knot is a figure-eight knot with an extra turn. What it lacks in weight, it gains in speed and ease of tying.

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