& Answers 100% Correct
What two systems are integrated by the AFCS? - ANSWER-Flight Director and
Autopilot Systems
What four systems does the AFCS supply info to? - ANSWER-Dual Flight Directors
Dual axis autopilot
Automatic pitch trim
Two yaw dampers
What are the four system components of the AFCS? - ANSWER-FCP
FCC's
Both autopilot servomotors
Both yaw dampers
What are the main AFCS microprocessors and where are they located? - ANSWER-
FCC 1 and FCC 2. They are located in the IAPS.
What systems do the FCCs provide instructions to? - ANSWER-FCP
FDs
Yaw Dampers
AP Servomotors
The flight director receives its position on the primary flight display (PFD) from what
system? - ANSWER-The FCCs
What is the IAPS? - ANSWER-The Integrated Avionics Processing System. It contains
many computers and components and allows them to communicate.
, Are both FDs always active? - ANSWER-During most modes one FD supplies guidance
information to both PFDs while the other is in standby. They continuously crosstalk.
During TO, APPR, and GA each FD provides onside info.
What occurs if the active FD fails? - ANSWER-A white FD1 or FD2 FAIL status
message will be displayed. Also a red FD in a box will appear on the PFDs.
Where are the vertical and lateral mode selections of the FD displayed? - ANSWER-On
the FMA locateed at the top of the PFDs.
Explain the two fields of the FMA - ANSWER-A vertical cyan line separates the two
fields. The left side is the active (green) field and the right side is the armed (white) side.
The top row is the lateral mode and the bottom row is the vertical mode.
What info do the FCCs process to figure the flight of the aircraft? - ANSWER-The
information needed comes from the AHRS and ADC.
What happens if information in the FMA field is invalid? - ANSWER-It is indicated by a
red line where the text would be.
When can only one FD be removed from the PFD and when will both FDs be removed
by selection of the FD button on the FCP? - ANSWER-Selection of the off-side FD
button will remove the FD from that side only. Selection of the onside FD will remove
both FDs.
If the AP is engaged, will deselecting the FD button on the active side disengage the
AP? - ANSWER-No, the onside FD button is inactive and deselecting it will not
disengage the AP. If the off-side FD button is pressed, the FD bars on the off-side will
be removed and will not disengage the AP.
What is the purpose of the XFR button on the FCP? - ANSWER-This button selects the
active FD in some modes. It can also be stated that it selects which FCC will command
the FDs in some modes.