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Physiological Threats

Learn about the impact of dehydration on flight safety and how to recognize and counteract it. Discover ways to build situational awareness and manage physiological threats like circadian disruption and fatigue. Find countermeasures and resources to ensure a safe and healthy flight.

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Physiological Threats

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  1. Physiological Threats Dehydration

  2. Aviate Navigate Communicate How do you build situational awareness? 4. Physiate Noise Stress Hypoxia Spatial D Airsickness G-LOC Situational Awareness Barotraumas Bad ALSS Fatigue Nutrition Hydration

  3. Physiological threats can compound creating a serious safety of flight issue. Circadian disruption Avoidable? Pre-flight temp = 100º Avoidable? High OPTEMPO Avoidable? Conflict with co-worker Avoidable? Haven’t eaten for 8 hrs Avoidable? MANAGEABLE?

  4. Dehydration Can Happen in Cold and Hot Weather

  5. Increase reaction time Narrowed attention Task fixation 30% reduction in +Gz tolerance Decreased situational awareness Dehydration can negatively affect mental and physical performance.

  6. 2-3% body wt loss (24hr) Thirst Elevated heart rate Light headed upon standing Headache Dark urine Dry mouth Nausea General fatigue Reduced SA? How do I recognize that I am dehydrated?

  7. You can hydrate effectively with most water based beverages high sugar content caffeinated beverages Eating is hydrating 30% of your daily hydration comes from food High fat and high sodium food can dehydrate Don’t avoid caffeinated or sugar based drinks without replacing them with other fluids.

  8. Drink fluids before you are thirsty Drink fluids before and after exercise Drink fluids until your urine is clear Eat food high in water content Avoid high fat and high sodium food Avoid alcohol What are some dehydration countermeasures?

  9. Located at Wing Safety Office Aviation Life Support Systems Ejection seat briefs PHYSEP and HAZREP submission Custom hearing protection Airsickness desensitization Physiological threat briefs Egress Command Fitness Leader Your Aeromedical Safety Officer

  10. LT Tim WelshWing Safety Officex3997

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