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Effects of dehydration on Flight Crew

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Effects of dehydration on Flight Crew There is very little attention given to the topic of dehydration. Most flights crews over look it. Some crew even shrug it off while others simply don't know its affects. In the cockpit most flight crew are unaware of devastating effects and symptoms which can increase the risk of aircraft incidence and accidents. In the recent time federal aviation administration in the United States (FAA) has added Pilot dehydration to its list of physiological condition in order to educate flight crew on the topic of dehydration. Most flight crew associate dehydration with thirst and assume that an easy fix is just to drink any type of liquid. ...read more.


As flight crew you must be aware the un-replaced water loses equals to 2% of your body weight and this will impact your body's ability to regulate heat. At 3% loss there is a decrease in muscle cell contraction times. When fluid loses is equal to 4% body weight there is 5 to 10 percent drop in performance which can last up to 4 hours. So what are the symptoms? Symptoms of dehydration go beyond thirst. In an affect to respond to the brains need for fluid the kidneys reabsorb water through the urine creating fluid retention and frequent urges to visit the bathroom. ...read more.


This will help you stay ahead of the game. Keeping you hydrated before the thirst mechanism sets in. It's strongly recommended that flight crew stay away from coffee, soda and teas otherwise called diuretics. In addition not to over exercise before a flight, this can lead to large amounts of body fluid loss that is difficult to replace quickly. You must also assimilate to weather changes i.e. hot or cold. Be aware of personal effects such as fever, diarrhea and also aging which can contribute to dehydration. But perhaps the most important factor in preventing dehydration is continually being aware of your physiological and environmental condition. It is a good plan for a problem that can easily avoided all with just a GULP OF WATER ...read more.

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