A320 Tech Quiz #12
14th April 2025
Welcome to this week’s A320 Tech Quiz! Whether you’re just getting started or you’ve been flying the A320 for years, this quiz will challenge your knowledge and help you sharpen your skills on the fundamentals of the Airbus A320.
Instructions:
Test yourself to see how well you know the A320 systems and procedures.
Record your answer to each question and post your score in the comment section.
Questions:
Question 1.
What does the red area of the speedtape on the Backup Speed Scale (BUSS) indicate?
A. The airspeed is below VLS
B. The airspeed is below VSW
C. The airspeed is below VαPROT
D. The airspeed is below VαMAX
Question 2.
What is the lowest selectable speed on the Integrated Standby Instrument System (ISIS)?
A. 10 kts
B. 30 kts
C. 60 kts
D. 100 kts
Question 3.
With a single elevator fault, the remaining elevator has full deflection authority:
A. True
B. False
Question 4.
Why is the APU bleed recommended to be switched on before engine shutdown?
A. To save battery life
B. To assist with engine shutdown
C. To minimise cabin odours from engine exhaust fumes
D. To reduce engine wear
Question 5.
ARC mode on the Navigation Display (ND) displays:
A. 45° forward of the aircraft
B. 90° forward of the aircraft
C. 180° forward of the aircraft
D. 360° around the aircraft
Question 6.
Where can the cockpit door locking strikes status indication be found?
A. DOOR SD page
B. FAP
C. Overhead panel
D. Rear circuit breaker panel
Question 7.
The FADEC provides EGT limitation protection on both automatic and manuals starts:
A. True
B. False
Question 8.
The static inverter transforms the DC voltage from the BAT BUS into:
A. 3-phase, 115 V, 400 Hz, AC current
B. 3-phase, 115 V, 400 Hz, DC current
C. Single-phase, 115 V, 400 Hz, AC current
D. Single-phase, 115 V, 400 Hz, DC current
Question 9.
Why is there a 10 second delay between the firing of the 1st and 2nd engine squibs/agents?
A. To allow for the electrical supply to change over to the next squib
B. To allow the N1 airflow to decrease to increase the effectiveness of the agent
C. To allow the fuel flow to decrease to increase the effectiveness of the agent
D. To ensure that the fire detection loop has time to reset before the 2nd squib is activated
Question 10.
What does the Hydromechanical Unit (HMU) control?
A. Fuel flow
B. Hydraulic signals to the actuators
C. Protections against N2 overspeed
D. All of the above
Answers:
The airspeed is below VLS
30 kts
False
To minimise cabin odours from engine exhaust fumes
90° forward of the aircraft
Overhead panel
False
Single-phase, 115 V, 400 Hz, AC current
To allow the N1 airflow to decrease to increase the effectiveness of the agent
All of the above
Thanks for taking this week's quiz! We hope you enjoyed it and learned something new. Be sure to join us next week for another challenge to keep sharpening your A320 expertise.
See you then! ✈️
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