Barnyard Buzzards Newsletter August 2006 Page 4

Buzzard Droppings August 2006

Text Box: This is going to be short. It’s too hot to think. Speaking of hot, it is that time of year when it gets hot, relatively speaking, not like some places where it really gets hot, but to us in the Northwest it is hot. Some of the things we should do when we are at the field and sun is beating down. Wear a Hat, wear light clothing, set in the shade when not active on the flight line Use sun block. The most important thing to remember: Drink lot of liquid: Water, Sports drinks like Gatorade, Fruit juice… Beer and other alcoholic beverages are not good, Oh, but we are not suppose to use them at the field anyway. To cool itself, the body first increases blood flow toward the body surface. This reduces the flow available to carry oxygen and nutrients to the muscles, brain and other internal organs, which in turn impairs strength, diminishes alertness and accelerates fatigue. Diminished alertness; not what we need while flying. When this mechanism doesn't release heat fast enough, sweat glands kick in, They draw water from the bloodstream to form sweat that carries heat across outer layers of the skin and then evaporates." The loss of water through sweating impairs the body's ability to cool itself later, and the loss of electrolytes in sweat can cause muscle cramps. The longer sweating goes on, the less blood volume remains and the greater the health risk. For example: a 150-pound man working moderately in warm weather would lose about 3/4 quart of water -- or 1 percent of his body weight -- per hour. At that rate, without replacing the lost fluid, he would likely experience diminished energy and endurance after three hours, serious fatigue and nausea after six hours, and loss of consciousness after eight hours. Drinking water even before being prompted by thirst because thirst is a late signal of a water deficit. Chugging to quench an intense thirst is like pouring water on a wilted plant. UNTIL NEXT TIME, BE SAFE BE COURTEOUS Vince Bell, Safety Officer

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