A220 Automatic Flight Control System Exam With complete
solution– Expert Verified | Latest Version | 100 Guaranteed
Success
How many PFCCs are installed on the aircraft? - 3
How many Primary Flight Control Computers (PFCC) are active at any given time? - 1
How many PFCCs are required for Normal Mode? - 1
AT and FD functionality are provided by what computers? - Data Concentrator Unit
Module Cabinets or DMCs
What are the two basic lateral and vertical modes? - HDG and FPA
The flight directors operate independently when in which models? - TO, GA , 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.
What is the purpose of the FD/AT button on the RSP (Reversion SwitchPanel)? - It
allows you to switch to the other DMC.
How is the flight director (FD) represented on the PFD? - A small magenta circle with
lateral bars
How is the Flight path vector represented on the PFD? - A slightly larger (than the the
FD) Green Circle with lateral bars and a vertical bar.
Where should the confirmation of any active mode be made? - On the FMA.
The FMA has fields can you name them - 1: Autothrottle Mode
2: Lateral Mode
3:Autopilot, Autothrottle status and data source (green arrow)
4: Vertical mode
5:Alternate source selection (ADSP, IRS, ext)
How many ways to deactivate Autothrottle? What are they? - 3 Ways
1: A/T DISC button on either thrust lever
2: AT push button on the FCP
3: Moving the thrust lever
When Autothrottles disconnect, what indications are there? - 1: AT flashes amber in the
middle section of the FMA
2: "AUTOTHROTTLE" continuously sounds.
solution– Expert Verified | Latest Version | 100 Guaranteed
Success
How many PFCCs are installed on the aircraft? - 3
How many Primary Flight Control Computers (PFCC) are active at any given time? - 1
How many PFCCs are required for Normal Mode? - 1
AT and FD functionality are provided by what computers? - Data Concentrator Unit
Module Cabinets or DMCs
What are the two basic lateral and vertical modes? - HDG and FPA
The flight directors operate independently when in which models? - TO, GA , 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.
What is the purpose of the FD/AT button on the RSP (Reversion SwitchPanel)? - It
allows you to switch to the other DMC.
How is the flight director (FD) represented on the PFD? - A small magenta circle with
lateral bars
How is the Flight path vector represented on the PFD? - A slightly larger (than the the
FD) Green Circle with lateral bars and a vertical bar.
Where should the confirmation of any active mode be made? - On the FMA.
The FMA has fields can you name them - 1: Autothrottle Mode
2: Lateral Mode
3:Autopilot, Autothrottle status and data source (green arrow)
4: Vertical mode
5:Alternate source selection (ADSP, IRS, ext)
How many ways to deactivate Autothrottle? What are they? - 3 Ways
1: A/T DISC button on either thrust lever
2: AT push button on the FCP
3: Moving the thrust lever
When Autothrottles disconnect, what indications are there? - 1: AT flashes amber in the
middle section of the FMA
2: "AUTOTHROTTLE" continuously sounds.
