AIRBUS 220- Aircraft Overhead Panel Functions: Lighting,
Fire, Hydraulics, and Electrical Systems Exam With
complete solution– Expert Verified | Latest Version | 100
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What happens when the overhead panel switch is turned from OFF to the 12
o'clock position? - It turns on the floor lights.
What additional lights are activated when the overhead panel switch is turned to
the BRT position? - It turns on the floor lights and entry lights.
What is the purpose of the illuminated light on the overhead panel? - It serves as
a locator light.
How long does the dome light stay on when activated by the pushbutton? - It
stays on for 20 minutes before turning off.
How can a flight attendant turn on the light via the CMS? - The flight attendant
can activate the light through the Cabin Management System.
What does pressing the audio warning inhibit button do? - It inhibits all audio
warnings while leaving all visual cues intact.
When should the audio warning inhibit button be pressed? - It should only be
pressed when a checklist specifically calls for it.
What is the function of the probe heat button? - It manually turns on probe heat
for 2 minutes, and the timer cannot be stopped once started.
,When does probe heat automatically activate? - At engine start, and it is self-
regulated based on airspeed.
What are the functions of the components responsible for Fly By Wire (FBW)? -
They control FBW functions, Autopilot, and Autoland.
How many components are required for Normal Mode operation? - One
component is required.
What protections do the FBW components provide? - They provide flight
envelope protection and structural protection.
Do the FBW components move the flaps? - No, they do not move the flaps.
Do FBW components integrate with the flaps? - Yes, they integrate with the flaps,
providing load protection even when flaps are deployed.
Can a stall occur in Normal Mode? - Yes, a stall can still occur in Normal Mode.
What are the tactile cues in Normal Mode? - 1. Soft Stop: Edge of the envelope; 2.
Hard Stop: Momentary exceed with structural protection.
What does pitching up and down in the air command? - It commands the load
factor.
, What does using ailerons in the air command? - It commands the roll rate, with a
maximum roll rate of 20° per second.
What features are available in Normal Mode that are not in Direct Mode? -
Envelope Protection, Structural Protection, and Speed Trim.
What is the primary purpose of Direct Mode? - To land the aircraft safely.
What type of trim is available in Direct Mode? - Conventional trim.
What are the subtypes of Direct Mode? - 1. PFCC; 2. REU; 3. AFCU.
What are two ways to enter PFCC Direct Mode? - 1. Loss of all IRUs; 2. Data input
failure from ADSPs.
What are two ways to enter REU Direct Mode? - 1. Loss of all PFCCs; 2. Loss of all
TTPs.
What do you lose in REU Direct Mode? - Selection of sidestick priority, ground
spoilers, lift dumping, and pitch trim is a function of slat/flap.
What are two ways to enter AFCU Direct Mode? - 1. Loss of the IIMs; 2. Failure of
multiple REU components.
In AFCU Direct Mode, are the control lines still active? - No, they are bypassed.
Fire, Hydraulics, and Electrical Systems Exam With
complete solution– Expert Verified | Latest Version | 100
Guaranteed Success
What happens when the overhead panel switch is turned from OFF to the 12
o'clock position? - It turns on the floor lights.
What additional lights are activated when the overhead panel switch is turned to
the BRT position? - It turns on the floor lights and entry lights.
What is the purpose of the illuminated light on the overhead panel? - It serves as
a locator light.
How long does the dome light stay on when activated by the pushbutton? - It
stays on for 20 minutes before turning off.
How can a flight attendant turn on the light via the CMS? - The flight attendant
can activate the light through the Cabin Management System.
What does pressing the audio warning inhibit button do? - It inhibits all audio
warnings while leaving all visual cues intact.
When should the audio warning inhibit button be pressed? - It should only be
pressed when a checklist specifically calls for it.
What is the function of the probe heat button? - It manually turns on probe heat
for 2 minutes, and the timer cannot be stopped once started.
,When does probe heat automatically activate? - At engine start, and it is self-
regulated based on airspeed.
What are the functions of the components responsible for Fly By Wire (FBW)? -
They control FBW functions, Autopilot, and Autoland.
How many components are required for Normal Mode operation? - One
component is required.
What protections do the FBW components provide? - They provide flight
envelope protection and structural protection.
Do the FBW components move the flaps? - No, they do not move the flaps.
Do FBW components integrate with the flaps? - Yes, they integrate with the flaps,
providing load protection even when flaps are deployed.
Can a stall occur in Normal Mode? - Yes, a stall can still occur in Normal Mode.
What are the tactile cues in Normal Mode? - 1. Soft Stop: Edge of the envelope; 2.
Hard Stop: Momentary exceed with structural protection.
What does pitching up and down in the air command? - It commands the load
factor.
, What does using ailerons in the air command? - It commands the roll rate, with a
maximum roll rate of 20° per second.
What features are available in Normal Mode that are not in Direct Mode? -
Envelope Protection, Structural Protection, and Speed Trim.
What is the primary purpose of Direct Mode? - To land the aircraft safely.
What type of trim is available in Direct Mode? - Conventional trim.
What are the subtypes of Direct Mode? - 1. PFCC; 2. REU; 3. AFCU.
What are two ways to enter PFCC Direct Mode? - 1. Loss of all IRUs; 2. Data input
failure from ADSPs.
What are two ways to enter REU Direct Mode? - 1. Loss of all PFCCs; 2. Loss of all
TTPs.
What do you lose in REU Direct Mode? - Selection of sidestick priority, ground
spoilers, lift dumping, and pitch trim is a function of slat/flap.
What are two ways to enter AFCU Direct Mode? - 1. Loss of the IIMs; 2. Failure of
multiple REU components.
In AFCU Direct Mode, are the control lines still active? - No, they are bypassed.
