CASA ATPL AHUF QUESTIONS AND CORRECT DETAILED ANSWERS WITH
EXPLANATIONS (VERIFIED ANSWERS) A NEW UPDATED VERSION LATEST|
GUARANTEED A+
1) BMI formula weight (kg) / height (m^2)
2) Most common cause of pilot Food and drink poisoning
incapacitation
3) Most comfortable temperature 21-27 degrees C at 40-60% relative
range and relative humidity range humidity
4) Definition of heat stress type 1 and Operating above 32 degs C best
remedy remedied by drinking water.
5) Definition of heat stress type 2 Too much sun through sunbathing,
inadequate protection or liquid intake
6) Definition of heat stress type 3 Temperatures below 10 degs C.
Body loses more body heat than it
can produce resulting in hypothermia
(cognitive impairment, apathy,
unconsciousness and ultimately
, death)
7) Early sensation of dehydration Dry nasal passage and prickly eyes
8) Hours of non-flying required after 24 hours
a blood donation
9) Define (otic) Barotrauma Stretching of ear drum due to uneven
air pressures between middle ear
and ambient. (NO! Any pain caused
due to pressure differential)
10) Effect of (otic) barotrauma Pressure vertigo of ear/balance
mechanism causing dizziness
11) What does the Valsave Forces air via Eustascian Tube into
manoeuvre do? middle ear to increase pressure
equal to ambient
12) What are sinuses? Cavities in the skull that are lined
with a mucus membrane that can
swell to block venting. Aggravated by
pressure differential during descent.
13) Litres of body fluids lost during a 5
hot day
14) Effect of eating green vegetables Expansion/release of gases in
prior to flight digestive system due to low ambient
pressure
15) Alcohol consumed with food Only increase alcohol absorption.
, increases rate of alcohol Rate of alcohol removal cannot be
absorption or rate of alcohol changed.
removal?
16) Percentage of alcohol break down 90% in liver. 10% through respiration,
in liver compared to other expiration and urine.
mechanism (including respiration,
expiration and urine).
17) Standard drink units of alcohol 1 standard drink.
metabolised per hour in an adult
male.
18) Number of hours alcohol is 24 hours.
present in brain after consumption.
19) Recommended maximum number 1-2 standard drinks.
of standard drinks 24 hours prior
to flight.
20) Maximum recommended standard 21-28 standard drinks for a male and
drinks consumed a week for a 14-21 standard drinks for a female.
male and female.
21) Definition of "analgesic" Painkiller
medication.
22) Definition of "antihistamine" Clears up congestion.
medication.
23) Definition of "ephedrine" Nasal sprays.
, medication.
24) Definition of hyperventilation. Excessive breathing causing removal
of too much carbon dioxide from
blood.
25) Fraction of standard atmospheric Half.
pressure at 18000ft?
26) Air expands in cavities and vents Climb.
into the nasal regions during a
climb or descent?
27) When 30m (100ft) below water, Twice.
how many times the standard
atmospheric pressure is
experienced?
28) Typical foods to avoid when flying Beer, cabbage and beans.
due to bloating.
29) What gas is present in the blood Nitrogen.
under high pressure in scuba?
Ascending quickly will release
pressure and the gas will come
out of solution like soft drink
leading to first symptoms felt in
joints and muscles. Then bubbling
in brain and spinal cord will result
EXPLANATIONS (VERIFIED ANSWERS) A NEW UPDATED VERSION LATEST|
GUARANTEED A+
1) BMI formula weight (kg) / height (m^2)
2) Most common cause of pilot Food and drink poisoning
incapacitation
3) Most comfortable temperature 21-27 degrees C at 40-60% relative
range and relative humidity range humidity
4) Definition of heat stress type 1 and Operating above 32 degs C best
remedy remedied by drinking water.
5) Definition of heat stress type 2 Too much sun through sunbathing,
inadequate protection or liquid intake
6) Definition of heat stress type 3 Temperatures below 10 degs C.
Body loses more body heat than it
can produce resulting in hypothermia
(cognitive impairment, apathy,
unconsciousness and ultimately
, death)
7) Early sensation of dehydration Dry nasal passage and prickly eyes
8) Hours of non-flying required after 24 hours
a blood donation
9) Define (otic) Barotrauma Stretching of ear drum due to uneven
air pressures between middle ear
and ambient. (NO! Any pain caused
due to pressure differential)
10) Effect of (otic) barotrauma Pressure vertigo of ear/balance
mechanism causing dizziness
11) What does the Valsave Forces air via Eustascian Tube into
manoeuvre do? middle ear to increase pressure
equal to ambient
12) What are sinuses? Cavities in the skull that are lined
with a mucus membrane that can
swell to block venting. Aggravated by
pressure differential during descent.
13) Litres of body fluids lost during a 5
hot day
14) Effect of eating green vegetables Expansion/release of gases in
prior to flight digestive system due to low ambient
pressure
15) Alcohol consumed with food Only increase alcohol absorption.
, increases rate of alcohol Rate of alcohol removal cannot be
absorption or rate of alcohol changed.
removal?
16) Percentage of alcohol break down 90% in liver. 10% through respiration,
in liver compared to other expiration and urine.
mechanism (including respiration,
expiration and urine).
17) Standard drink units of alcohol 1 standard drink.
metabolised per hour in an adult
male.
18) Number of hours alcohol is 24 hours.
present in brain after consumption.
19) Recommended maximum number 1-2 standard drinks.
of standard drinks 24 hours prior
to flight.
20) Maximum recommended standard 21-28 standard drinks for a male and
drinks consumed a week for a 14-21 standard drinks for a female.
male and female.
21) Definition of "analgesic" Painkiller
medication.
22) Definition of "antihistamine" Clears up congestion.
medication.
23) Definition of "ephedrine" Nasal sprays.
, medication.
24) Definition of hyperventilation. Excessive breathing causing removal
of too much carbon dioxide from
blood.
25) Fraction of standard atmospheric Half.
pressure at 18000ft?
26) Air expands in cavities and vents Climb.
into the nasal regions during a
climb or descent?
27) When 30m (100ft) below water, Twice.
how many times the standard
atmospheric pressure is
experienced?
28) Typical foods to avoid when flying Beer, cabbage and beans.
due to bloating.
29) What gas is present in the blood Nitrogen.
under high pressure in scuba?
Ascending quickly will release
pressure and the gas will come
out of solution like soft drink
leading to first symptoms felt in
joints and muscles. Then bubbling
in brain and spinal cord will result
