Questions with Accurate Answers Rated
A+
The Autopilot Fight Director System (AFDS) consists of how many Flight Control
Computers (FCC)? [FCOM 4.20.1] - ANSWER-2 FCCs (FCC A and FCC B)
What is the function of the Flight Control Computers (FCC)? [FCOM 4.20.1] - ANSWER-
FCCs send control commands to their respective pitch and roll hydraulic servos, which
operate the flight controls through two separate hydraulic systems
What is the significance of when a switch is illuminated on the Mode Control Panel
(MCP)? [FCOM 4.20.1] - ANSWER-- Indicates mode selected and
- Mode can be deselected by pushing the switch again
How are all Autopilot Flight Director System (AFDS) modes disengaged? [FCOM
4.20.1] - ANSWER-- Selecting another command mode or
- Disengaging the Autopilot (A/P) and turning the Flight Directors (F/Ds) off
When is MCP mode deselection automatically inhibited? [FCOM 4.20.1] - ANSWER--
When engagement of a mode conflicts with the current AFS operation
- The switch light will be extinguished
How can each Autopilot (A/P) be engaged? [FCOM 4.20.2] - ANSWER-By pushing a
separate CMD or CWS engage switch
What conditions need to be met for A/P engagement in CMD or CWS mode? [FCOM
4.20.2] - ANSWER-- No force is being applied to the control wheel
- Both the STAB TRIM PRI and STAB TRIM B/U cutout switches are in the NORMAL
position
,How many A/Ps can be engaged at a given time, except in which mode? [FCOM 4.20.2]
- ANSWER-- One A/P
- Except when the approach (APP) mode is engaged
What capabilities are available in dual A/P operation? [FCOM 4.20.2] - ANSWER--
Landing flare and touchdown
- Automatic go-around
What are some conditions that would cause the Autopilot (A/P) to disengage? [FCOM
4.20.2, 4.20.3] - ANSWER-- Pushing the A/P disengage switch
- Column or wheel force override
- Pushing an illuminated A/P ENGAGE switch
- Pushing the A/P DISENGAGE bar down on the MCP
- Pushing the Takeoff/Go-around (TO/GA) switch under certain conditions
- Activating either pilot's control wheel trim switch
- Moving either STAB TRIM PRI or the STAB TRIM B/U cutout switch to the CUTOUT
position
- Various system failures or conditions
When does pushing the Takeoff/Go-around (TO/GA) switch lead to automatic A/P
disengagement? [FCOM 4.20.2, 4.20.3] - ANSWER-Single A/P engaged in CWS or
CMD and:
- below 2000 feet RA or
- flaps not up or
- G/S engaged
What happens if you push either TO/GA switch after touchdown with both A/Ps
engaged in CMD? [FCOM 4.20.2, 4.20.3] - ANSWER-Autopilot disengages
How does either a left or right IRS system failure or FAULT light illumination affect the
Autopilot (A/P)? [FCOM 4.20.3] - ANSWER-Autopilot disengages
, What happens to the engaged A/P and mode in case of a loss of electrical power or a
sensor input? [FCOM 4.20.3] - ANSWER-Autopilot disengages
What happens to the autopilot with a loss of the respective hydraulic system? [FCOM
4.20.3] - ANSWER-Autopilot automatically disengages
Which Autopilot can be engaged when the IRS instrument transfer switch is selected to
the BOTH ON L or BOTH ON R position in terms of autopilot operation? [FCOM 4.20.3]
- ANSWER-Either autopilot can be engaged
Which autopilot is recommended to be engaged when one IRU is inoperative? [FCOM
4.20.3] - ANSWER-Autopilot associated with the operating IRU
What happens to the yaw damper when the autopilot is engaged with one IRU
inoperative? [FCOM 4.20.3] - ANSWER-Yaw damper will disengage
What might happen to the Auto Flight Director System (AFDS) and/or Auto Throttle
(A/T) in case of power loss or interruption? [FCOM 4.20.3] - ANSWER-May cause
disengagement of the AFDS and/or Auto Throttle (A/T)
After electrical power has been restored, can the AFDS and/or A/T be re-engaged?
[FCOM 4.20.3] - ANSWER-Yes
Under what conditions is dual channel A/P operation possible? [FCOM 4.20.3] -
ANSWER-Dual channel A/P operation is possible only when two generators are
powering the busses
What happens to the autopilot when a radio altimeter is inoperative? [FCOM 4.20.3] -
ANSWER-Autopilot will disengage two seconds after LOC and GS capture
What conditions need to be met for the command bars to appear when the Flight
Directors (F/D)s are turned ON? [FCOM 9.20.3] - ANSWER-If pitch and roll modes are
engaged