GPC unit 24 Human Factors

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Ref: GFA GPC - Human actors in gliding (OPS 0010) , GPC theory lesson 24

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UntitlQ1. Human factors that pose a threat to safe aviation effect:

Older pilots (over 60)

Younger pilots (under 25)

Older and younger pilots (under 25 or over 60)

All pilots

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Q2. How can an empty visual field effect your ability to see :

It improves your peripheral vision.

Your eyes may focus 3m to 4 m ahead which leads to a delay in detection of threats in the distance.

It will improve your ability to see aircraft at a distance.

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Q3. Supplement oxygen is legally required when operating at or above:

7,500 ASL

10,000 ASL

FL125

It is a good practice to use oxygen, however at the height’s gliders can fly it is not mandatory.

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Q4. Symptoms of hypoxia can include:

Loss of colour vision

Drowsiness

Difficulty in thinking

Unconsciousness

Death

All of the above

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Q5. The onset of hypoxia is described as insidious which means:

Younger pilots are less likely to be affected.

Its easer to detect flying in a two-seater.

It won’t go unnoticed by an experienced pilot.

It may go completely unnoticed in any event.

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Q6. : Why is flying with a cold not recommended:

Increased susceptibility to decompression sickness (the bends)

It may prevent you equalizing the pressure in your ears or sinuses.

Our reaction times increase

Increased susceptibility to “g” forces

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Q7. Which one of these is not a result of increased G forces:

Tunnel vision

Black out

Grey out

Green out

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Q8. Which factors can affect your mental performance:

Environmental

Stress/Overload

Fatigue

Medical

Hazatts (hazardous attitudes)

All the above

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Q9. During a long flight how much water intake is recommended to replace fluid lost to perspiration to prevent dehydration:

As little as possible if glider has no relief system.

300-500 ml per hour

500-800 ml per hour

At least 1 liter per hour if it’s hot

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Q10. Effects of alcohol on a pilot can include

Disorientation

Dehydration

Increased susceptibility to “g” forces

Increased susceptibility to hypoxia

Increased susceptibility to decompression sickness (the bends)

All above

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