Human Factors

Question 1

What is the minimum age to fly solo?

Answer 1

14 yrs old

Question 2

Under the CAA’s rules, what medicals will you need to fly solo?

Answer 2

A valid class 1 or class 2 medical certificate. An alternative would be a valid LAPL medical from your doctor.

Question 3

What are the 7 reasons stated in bronze and beyond for potentially feeling below par?

Answer 3

I - Illness
M - Medication
S - Stress
A - Alcohol
F - Fatigue
F - Flying Currency
E - Eating

Question 4

For how long after a local anesthetic and a general anesthetic should you not fly?

Answer 4

24hrs after a local
48hrs after a general

Question 5

As per the sailplane rules, what is the limit for alcohol and gliding?

Answer 5

0.2 grams/ liter of blood

Question 6

At what altitude are the effects of alcohol doubled?

Answer 6

10,000ft

Question 7

How long does it take to eliminate 1 unit (10ml) of alcohol from the blood?

Answer 7

1 hour

Question 8

If fatigued, what should you do?

Answer 8

Dont fly.

Question 9

What types of foods should be consumed on long flights and why should sugary foods not be consumed

Answer 9

Complex foods such as sandwiches and fruit provide energy over a longer period. Sugary foods such as sweets give a sudden burst of energy but result in a sugar crash after which could be dangerous.

Question 10

How often should you have your eyes tested?

Answer 10

Every 2 years.

Question 11

What is the name of pain and injury that is caused by differences in pressure?

Answer 11

Barotraumas.

Question 12

How often does clearing of the ears take place?

Answer 12

Every 500-1000ft of ascent

Question 13

If you are suffering from barotraumas in the ears during descent, what should you do?

Answer 13

The Valsalva procedure

Question 14

Should the Valsalva procedure be done on descent and ascent?

Answer 14

No, only on descent. Doing the Valsalva procedure on ascent will only make matters worse.

Question 15

What is the average atmospheric pressure at:
Sea level
10,000ft
18,000ft

Answer 15

Sea level = 1013hPa
10,000ft = 700hPa
18,000ft = 500hPa

Question 16

What gas regulates you berating and why?

Answer 16

CO2 mainly regulates your breathing as your receptors are more sensitive to changes in CO2 than O2

Question 17

How long will you remain conscious if your oxygen system fails at:
20,000ft
25,000ft

Answer 17

20,000ft = 5-10 mins
25,000ft = 2-3 mins

Question 18

At what altitude should you start wearing a mask?

Answer 18

18,000ft

Question 19

Up to what altitude is it like breathing air at ground level while receiving 100 percent O2

Answer 19

33,700ft

Question 20

At 39,000ft, receiving 100 percent O2 is like being at what altitude?

Answer 20

10,000ft

Question 21

What is hyperventilation and what are the symptoms?

Answer 21

When you breathe too hard and too fast. Often occurs after a scare. Symptoms include: anxiety, dizziness and light headedness

Question 22

After swimming using compressed air, for how long should you not fly?

Answer 22

12hrs
24hrs if a depth of 30ft has been exceeded

Question 23

What are the risks of flying in a motor glider?

Answer 23

A faulty exhaust system could leak CO2 into the cockpit

Question 24

What should you do if you have a heavy landing and are not sure if you have sustained an injury?

Answer 24

Do not move unless you are sure that there is no spinal damage.