A220 Automatic Flight Control System Exam With complete
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What are PFCCs and what do they do? - (Primary Flight Control Computers) -
Responsible for the operation of the Fly-By-Wire System and its associated
functions. The PFCCs receive commands from the autopilot/flight director
systems and provide flight envelope and structural protections of the aircraft
How many PFCCs are installed on the aircraft? - 3
How many PFCCs are active at any given time? - 1
How many PFCCs are required to have the aircraft operate in Normal Mode ? - 1
AT and FD functionality are provided by which computers? - DMCs (Data Module
Cabinets)
What are the two basic AP and FD engagement modes? - HDG and FPA
The flight directors operate independently when in which modes? - TO, GA and
APPR
What is the purpose of the XFR switch on the glareshield? - It is used to change to
the other channel of the same DMC (FD MODE CHANGE)
, What is the purpose of the FD/AT button on the RSP (Reversion Switch Panel)? - It
allows you to switch to the other DMC [DMC selection alternates odd/even days]
How Is the flight director represented on the PFD ? - A small magenta circle with
lateral bars
How is the flight path vector represented on the PFD? - A slightly larger green
circle (than the FD) with lateral bars and a vertical bar
Where should the confirmation of any active mode be made? - On the FMA
Namen the FMA fields: - Autothrottle mode
Roll (Lateral) mode
Pitch (Vertical) mode
Status: Autopilot, Autothrottle / Data source
Alternate source selection (ADSP, IRS, etc)
What are the 3 different ways to deactivate the Autothrottle? - A/T DISC button
on either thrust lever
AT pushbutton on the FCP
Moving the thrust levers
What indications do you get when the Autothrottle disconnects? - AT flashes
amber in the middle section of the FMA
"AUTO THROTTLE" continiously sounds
solution– Expert Verified | Latest Version | 100 Guaranteed
Success
What are PFCCs and what do they do? - (Primary Flight Control Computers) -
Responsible for the operation of the Fly-By-Wire System and its associated
functions. The PFCCs receive commands from the autopilot/flight director
systems and provide flight envelope and structural protections of the aircraft
How many PFCCs are installed on the aircraft? - 3
How many PFCCs are active at any given time? - 1
How many PFCCs are required to have the aircraft operate in Normal Mode ? - 1
AT and FD functionality are provided by which computers? - DMCs (Data Module
Cabinets)
What are the two basic AP and FD engagement modes? - HDG and FPA
The flight directors operate independently when in which modes? - TO, GA and
APPR
What is the purpose of the XFR switch on the glareshield? - It is used to change to
the other channel of the same DMC (FD MODE CHANGE)
, What is the purpose of the FD/AT button on the RSP (Reversion Switch Panel)? - It
allows you to switch to the other DMC [DMC selection alternates odd/even days]
How Is the flight director represented on the PFD ? - A small magenta circle with
lateral bars
How is the flight path vector represented on the PFD? - A slightly larger green
circle (than the FD) with lateral bars and a vertical bar
Where should the confirmation of any active mode be made? - On the FMA
Namen the FMA fields: - Autothrottle mode
Roll (Lateral) mode
Pitch (Vertical) mode
Status: Autopilot, Autothrottle / Data source
Alternate source selection (ADSP, IRS, etc)
What are the 3 different ways to deactivate the Autothrottle? - A/T DISC button
on either thrust lever
AT pushbutton on the FCP
Moving the thrust levers
What indications do you get when the Autothrottle disconnects? - AT flashes
amber in the middle section of the FMA
"AUTO THROTTLE" continiously sounds
