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Lecture 6 - Stress. Aviation Human Factor. Stress : Introduction. In aviation, accidents almost always occur in a sequence of mistakes. Stress is one of the first contributing factors lead into the rest causing the effect.

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lecture 6 stress

Lecture 6 - Stress

Aviation Human Factor

stress introduction
Stress : Introduction
  • In aviation, accidents almost always occur in a sequence of mistakes.
  • Stress is one of the first contributing factors lead into the rest causing the effect.
  • In order to maintain safety in aviation, stress must be managed to avoid an accident.
  • This is where all of human factor studies and hard work can come into play.
stress introduction1
Stress : Introduction
  • Depending on what particular job a person is performing in aviation, they must take steps to avoid undue stress.
  • Stress can be avoided by taking steps to relieve other possible factors.

So, What Is STRESS?

Why we STRESS?


How does STRESS effect flying skills?

stress definition
Stress Definition
  • Stress can be defined as physical and physiological tensioncaused by dealing with difficult situations.
  • Mental, emotional or physical tension, strain or distress. (Webster, Dictionary)
stress definition1
Stress Definition
  • Stress is sum of Biological reactions to our physical , mental & emotional condition tends to disturb “Body Natural Balance”
  • Stress also defined as a state of highly unpleasant emotional caused by overload, fear, anxiety, and anger - all of which threaten both individual performance and teamwork.
stress for success by dr peter hanson
“Stress for Success” by Dr. Peter Hanson
  • Stress not is not a bad thing. A small amount of it acts as a stimulus and improved your performance.
  • A certain amount of stress is good because it keeps you alert and prevent complacency (too relax). E.g: Racing driver, Olympic runner, Flight crew, ASSIGNMENT, EXAM etc.
stress vs performance
Stress vs. Performance
  • Slight stress is good but excessive stress lead to depression and other bad effects
sources of stress 3ps stressors
SOURCES OF STRESS (3Ps stressors)
  • Physical Stress-associate with Environment- heat, noise, lack of oxygen, vibration, low humidity.
  • Physiological stress-Physical condition e.g. fatigue, lack of physical fitness, illness
  • Psychological Stress– Social or emotional factors e.g. death in the family, divorce, sick child, demotion, also related to – mental workload imposed and overloaded such as analyzing problems, navigating, decision making, loss of SA, difficulty to respond
major causes of stress
Major causes of stress

1. Physical Stress associate with ENVIRONMENT

  • Noise – noise can cause stress as it makes difficult for us to concentrate and focus.
  • Lack of oxygen – it can cause stress because it makes us uncomfortable and difficult to breath normally.
  • Poor visibility- due to heavy fog, lead to stress as it hard to see anything in front of us.
  • Poor lighting- can cause stress because it is difficult to read technical data and manuals.
  • Temperature – too high or too low will make we feel not comfortable and stress will come out
major causes of stress1
Major causes of stress

2. Physiological stress- related with BODYcondition.

  • Lack of sleep & Fatigued - the pilot is unable to maintain performance standards for long periods as he struggling to stay awake.
  • Flying when unwell resulting in the body using more energy fighting the illness and hence less energy to perform vital tasks.
  • Not having proper meals also result in not having enough energy and induces symptoms like headache and shaking.
major causes of stress2
Major causes of stress

3. Psychological Stress– related with SOCIAL or EMOTIONAL factors.

  • Financial problems such as impending bankruptcy and loans and to pay.
  • Marital problems due to divorce or strained relationships due to persistent quarreling.
  • Interpersonal problems with superiors and colleagues due to miscommunication or backstabbing.
  • Too much stress, or a strong response to stress, is harmful. It can set you up for general poor health as well as specific physical or psychological illnesses like infection, heart disease, or depression. Persistent and unrelenting stress often leads to anxiety and unhealthy behaviors like overeating and abuse of alcohol or drugs.
  • Emotional states like grief or depression and health conditions like an overactive thyroid, low blood sugar, or heart attack can also cause stress.
type of stress
Type of stress
  • Contrary to popular belief that all stress is negative, stress can either be good (Eustress) or bad (Distress).
  • Eustress can harness better performances and provide the incentive for aviation personnel to achieve the task, to train harder to improve their standards to become the best in their job.
  • Distresson the other hand, affects people by ‘sink’ them down, causing them to lose focus doing time critical tasks in their area of work leading to accidents.
symptoms of stress
Symptoms of Stress

To put it simply, the "victim" will experience the following main symptoms:

  • Physical symptoms• Tense muscles, especially in the neck and shoulders;• Headache or backache;• Stomachache, nausea, vomiting, diarrhea or constipation;• Tiredness or difficulty sleeping;• Unusually rapid heartbeat;• Shakiness or excessive sweating;• Weight loss or weight gain;• Clenched jaw or clenched teeth;• Fingernail-biting;• Sighing or changes in breathing patterns
symptoms of stress1
Symptoms of Stress
  • Emotional symptoms• Frustration, irritability or anger;• Depression or anxiety;• Nervousness; and,• Boredom or apathy.
  • Behavioral symptoms• Abuse of alcohol, drugs or other substances;• Marital problems;• Binge eating; and,• Self-destructive behavior.
symptoms of stress2
Symptoms of Stress
  • Cognitive symptoms• Forgetfulness, preoccupation and difficulty concentrating;• Indecisiveness;• Work mistakes and loss of productivity;• Excessive worry;• Decrease in creativity; and,• Loss of sense of humor
how does stress affect flying skill
How does stress affect flying skill
  • Stress can significantly affect one’s thought processes.
  • Stress can decrease attention and concentration which lead to poor judgments and impair memory.
  • Stress can cause aviators to commit thinking errors and to take mental shortcuts that could be potentially fatal (causing death).
how does stress affect flying skill1
How does stress affect flying skill
  • Under high-stress conditions, people tend to oversimplify problem solving and ignore important relevant information, taking the easy way out.
  • For example, an aviator experiencing high stress before going into combat may, in haste (high speed), fail to follow all of the steps of the preflight inspection.
stress managements
Stress Managements
  • Organizeyourself- Take better control of the ways you’re spending your time and energy.
  • Change your environment- Control what and who is surrounding you to get rid of stressors and gain support for yourself.
  • Build up your strength- Good physical condition helps you to stand up against your stressors.
  • Learn to relax- practicing a good relaxation technique to clearer thinking and decision making.
  • Find ways to laugheach day
  • Develop a supportive networkaround you
stress management
Stress Management
  • Health and Fitness Program
    • Regular exercise
    • Improve tension and anxiety
    • Improve cognitive functioning
  • Relaxation Techniques
    • Meditation
    • Self hypnosis
    • Progressive muscle relaxation

and mental imagery


Stress Management

  • Religious Practices
  • Counseling Techniques
    • Professional counselor
    • Changing the ways of a person perceives the situation
    • Accept life as it goes