Human Factors Flashcards
What is the minimum age to fly solo?
14 yrs old
Under the CAA’s rules, what medicals will you need to fly solo?
A valid class 1 or class 2 medical certificate. An alternative would be a valid LAPL medical from your doctor.
What are the 7 reasons stated in bronze and beyond for potentially feeling below par?
I - Illness
M - Medication
S - Stress
A - Alcohol
F - Fatigue
F - Flying Currency
E - Eating
For how long after a local anesthetic and a general anesthetic should you not fly?
24hrs after a local
48hrs after a general
As per the sailplane rules, what is the limit for alcohol and gliding?
0.2 grams/ liter of blood
At what altitude are the effects of alcohol doubled?
10,000ft
How long does it take to eliminate 1 unit (10ml) of alcohol from the blood?
1 hour
If fatigued, what should you do?
Dont fly.
What types of foods should be consumed on long flights and why should sugary foods not be consumed
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.
How often should you have your eyes tested?
Every 2 years.
What is the name of pain and injury that is caused by differences in pressure?
Barotraumas.
How often does clearing of the ears take place?
Every 500-1000ft of ascent
If you are suffering from barotraumas in the ears during descent, what should you do?
The Valsalva procedure
Should the Valsalva procedure be done on descent and ascent?
No, only on descent. Doing the Valsalva procedure on ascent will only make matters worse.
What is the average atmospheric pressure at:
Sea level
10,000ft
18,000ft
Sea level = 1013hPa
10,000ft = 700hPa
18,000ft = 500hPa
What gas regulates you berating and why?
CO2 mainly regulates your breathing as your receptors are more sensitive to changes in CO2 than O2
How long will you remain conscious if your oxygen system fails at:
20,000ft
25,000ft
20,000ft = 5-10 mins
25,000ft = 2-3 mins
At what altitude should you start wearing a mask?
18,000ft
Up to what altitude is it like breathing air at ground level while receiving 100 percent O2
33,700ft
At 39,000ft, receiving 100 percent O2 is like being at what altitude?
10,000ft
What is hyperventilation and what are the symptoms?
When you breathe too hard and too fast. Often occurs after a scare. Symptoms include: anxiety, dizziness and light headedness
After swimming using compressed air, for how long should you not fly?
12hrs
24hrs if a depth of 30ft has been exceeded
What are the risks of flying in a motor glider?
A faulty exhaust system could leak CO2 into the cockpit
What should you do if you have a heavy landing and are not sure if you have sustained an injury?
Do not move unless you are sure that there is no spinal damage.
