If in the water


The probability is fairly high that at least some survivors could be in the water after a water landing or ditching. One of the greatest dangers to a survivor in the water is “hypothermia,” or the drop of body core temperature. The normal body core temperature is 98.6°F (37º C). When the internal body core temperature drops to 98°F (36.6ºC), shivering becomes intense, uncontrollable and the person becomes confused. At a core temperature below 90˚F (32.2ºC), the shivering is replaced by muscular rigidity, lethargy, and a low level of consciousness. Once an 80°F – 85˚F (26.6ºC - 29.4ºC) body core temperature is reached, unconsciousness sets in, followed by death.


By swimming or treading water, a person will lose body core temperature faster than if remaining still. A person who’s head is intermittently submerged will lose the body core temperature much faster than a person floating with their head constantly above the water.


HELP (Heat Escape Lessening Position)


The HELP position can be improved by using a trash bag. Simply get all the air out of the bag by filling it with water and crawl in. Pull the bag opening up over your shoulders and snuggle in.


HUDDLE


Always put the weakest person in the middle.


The HUDDLE position is strengthened by holding on very tightly to one another, as much body contact as possible.


17 Survival, Search and Rescue


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