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Human Factors in Aviation: Understanding Flight Physiology for Safe Operations

Explore the intricate interplay between human factors and flight physiology designed to enhance aviation safety. Learn about the body and mind in the flying environment and how human input impacts aircraft operations. Discover how human factors contribute to more than 70% of aviation incidents and accidents. Gain insights into the SHEL Model and the crucial relationship between software, hardware, environment, and liveware. Delve into the basics of human anatomy, including the central and peripheral nervous systems, musculoskeletal system, metabolic system, circulatory system, vascular system, and respiratory system. Understanding these fundamental aspects is key to ensuring safe and efficient flight operations.

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Human Factors in Aviation: Understanding Flight Physiology for Safe Operations

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  1. Introduction to Human FactorsandFlight Physiology

  2. Human Factors Regardless of technology advancements, today’s aircraft still require human input and decision making at some level.

  3. Human Factors Pilots and flight crews provide the human flight component Flight Physiology • How the body and mind work in the flying environment Reality Vs. Myth

  4. Human Factors More than 70% of aviation accidents and incidents are related to human factors No accident occurs without a series of incidents happening beforehand NTSB Accident Database

  5. The SHEL Model Interrelationship between human factors and the aviation environment S = Software H = Hardware E = Environment L = Liveware

  6. Incapacitation – Liveware Failure Not able to perform at normal levels Sudden Subtle Total Partial Distraction Recognized Unrecognized

  7. Liveware – The Human Body System Let’s examine how the human body takes in and responds to stimuli.

  8. Endocrine System Hormones – Chemical signals that control actions of the body Adrenaline is a hormone released by the adrenal glands in times of stress

  9. Basic Human Anatomy Central Nervous System Controls physiological, mechanical, and mental functions through electrical and biochemical signals Brain

  10. Basic Human Anatomy Central Nervous System Bundle of nerves located in the spine that allow the signals transmitted from the brain to travel to other parts of the body Spinal Cord

  11. Basic Human Anatomy Peripheral Nervous System Nerves deliver information to and from the central nervous system and provide feedback to control breathing, digestion, heart rate, blood pressure, etc. Nerves

  12. Basic Human Anatomy Musculoskeletal System Skeleton – Bones Tendons – Link between bone and muscle Muscles – Pull on bone to bring about movement

  13. Basic Human Anatomy Metabolic System Allows all body systems to work together Converts resources into substances, chemicals, and energy to support brain and body activity Liver, gallbladder, kidneys, pancreas, thyroid

  14. Basic Human Anatomy Circulatory System Carries blood, including oxygen, carbon dioxide, nutrients, and waste Heart Pump that allows blood to flow into arteries, capillaries, and then tissue and cells

  15. Basic Human Anatomy Vascular System Maintains an uninterrupted blood supply

  16. Basic Human Anatomy Respiratory System Lungs Exchange oxygen and carbon dioxide into and out of the blood stream

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