OVERVIEW OF FLY-BY-WIRE FLIGHT
CONTROL SYSTEMS 2025
QUESTIONS (WITH VERIFIED
ANSWERS) LATEST
Fly-by-Wire (FBW) - CORRECT ANSWER>>>>Electronic control replacing conventional
cable flight controls.
Pitch Axis Control - CORRECT ANSWER>>>>Managed by elevators and movable horizontal
stabilizer.
Roll Control - CORRECT ANSWER>>>>Provided by four ailerons per wing.
Yaw Control - CORRECT ANSWER>>>>Managed by the rudder of the airplane.
Multifunction Spoilers (MFSs) - CORRECT ANSWER>>>>Augment ailerons and provide
speed brake control.
Ground Spoilers (GSs) - CORRECT ANSWER>>>>Assist in ground lift dumping during
landing.
High-Lift System - CORRECT ANSWER>>>>Includes slats and flaps for improved lift.
Primary Flight Control Computers (PFCCs) - CORRECT ANSWER>>>>Process pilot inputs
and control surface positions.
Envelope Protection - CORRECT ANSWER>>>>Prevents exceeding operational flight limits.
Structural Protection - CORRECT ANSWER>>>>Limits pitch and bank to prevent damage.
Sidestick - CORRECT ANSWER>>>>Controls elevator and aileron deflection electronically.
Sidestick Neutral Position - CORRECT ANSWER>>>>Required to engage autopilot
functionality.
Soft Stops - CORRECT ANSWER>>>>Resistance limits in pitch axis for sidesticks.
Hard Stops - CORRECT ANSWER>>>>Mechanical limits corresponding to structural limits.
Sidestick Shaker - CORRECT ANSWER>>>>Provides tactile cue for stall awareness.
Dual Input Warning - CORRECT ANSWER>>>>Indicates simultaneous operation of both
sidesticks.
, Trim Speed Bug - CORRECT ANSWER>>>>Indicates trim speed on airspeed tape.
EICAS - CORRECT ANSWER>>>>Displays warnings and flight control indications.
FLT CTRL Synoptic - CORRECT ANSWER>>>>Shows flight control surface positions
visually.
Autopilot (AP) Logic - CORRECT ANSWER>>>>Requires neutral sidesticks to engage
autopilot.
PFCC Guarded PBAs - CORRECT ANSWER>>>>Control PFCC status via overhead panel
buttons.
Sidestick Test Pattern - CORRECT ANSWER>>>>Visual test of sidestick movement on
ground.
Sidestick Shaker Test - CORRECT ANSWER>>>>Tests shaker functionality for pilot
awareness.
Aileron Trim - CORRECT ANSWER>>>>Adjusts aileron position for level flight.
Rudder Trim - CORRECT ANSWER>>>>Adjusts rudder position for coordinated flight.
Backup Stabilizer Trim - CORRECT ANSWER>>>>Provides alternative control for stabilizer
adjustments.
Alternate Slat/Flap Extension - CORRECT ANSWER>>>>Manual control for slat and flap
deployment.
Flight Path Monitoring - CORRECT ANSWER>>>>Constantly checks and adjusts flight
trajectory.
Airspeed Control - CORRECT ANSWER>>>>Maintains desired speed during flight operations.
Sidestick Pitch Trim Switch - CORRECT ANSWER>>>>Disconnects autopilot, shows trim
speed bug.
FBW Direct Mode - CORRECT ANSWER>>>>Controls HSTAB conventionally on ground or
in flight.
Pitch Trim Switch Operation - CORRECT ANSWER>>>>Disables trimming after 5 seconds
continuous use.
Backup STAB Trim Switch - CORRECT ANSWER>>>>Located on TRIMS panel; disconnects
autopilot.
CONTROL SYSTEMS 2025
QUESTIONS (WITH VERIFIED
ANSWERS) LATEST
Fly-by-Wire (FBW) - CORRECT ANSWER>>>>Electronic control replacing conventional
cable flight controls.
Pitch Axis Control - CORRECT ANSWER>>>>Managed by elevators and movable horizontal
stabilizer.
Roll Control - CORRECT ANSWER>>>>Provided by four ailerons per wing.
Yaw Control - CORRECT ANSWER>>>>Managed by the rudder of the airplane.
Multifunction Spoilers (MFSs) - CORRECT ANSWER>>>>Augment ailerons and provide
speed brake control.
Ground Spoilers (GSs) - CORRECT ANSWER>>>>Assist in ground lift dumping during
landing.
High-Lift System - CORRECT ANSWER>>>>Includes slats and flaps for improved lift.
Primary Flight Control Computers (PFCCs) - CORRECT ANSWER>>>>Process pilot inputs
and control surface positions.
Envelope Protection - CORRECT ANSWER>>>>Prevents exceeding operational flight limits.
Structural Protection - CORRECT ANSWER>>>>Limits pitch and bank to prevent damage.
Sidestick - CORRECT ANSWER>>>>Controls elevator and aileron deflection electronically.
Sidestick Neutral Position - CORRECT ANSWER>>>>Required to engage autopilot
functionality.
Soft Stops - CORRECT ANSWER>>>>Resistance limits in pitch axis for sidesticks.
Hard Stops - CORRECT ANSWER>>>>Mechanical limits corresponding to structural limits.
Sidestick Shaker - CORRECT ANSWER>>>>Provides tactile cue for stall awareness.
Dual Input Warning - CORRECT ANSWER>>>>Indicates simultaneous operation of both
sidesticks.
, Trim Speed Bug - CORRECT ANSWER>>>>Indicates trim speed on airspeed tape.
EICAS - CORRECT ANSWER>>>>Displays warnings and flight control indications.
FLT CTRL Synoptic - CORRECT ANSWER>>>>Shows flight control surface positions
visually.
Autopilot (AP) Logic - CORRECT ANSWER>>>>Requires neutral sidesticks to engage
autopilot.
PFCC Guarded PBAs - CORRECT ANSWER>>>>Control PFCC status via overhead panel
buttons.
Sidestick Test Pattern - CORRECT ANSWER>>>>Visual test of sidestick movement on
ground.
Sidestick Shaker Test - CORRECT ANSWER>>>>Tests shaker functionality for pilot
awareness.
Aileron Trim - CORRECT ANSWER>>>>Adjusts aileron position for level flight.
Rudder Trim - CORRECT ANSWER>>>>Adjusts rudder position for coordinated flight.
Backup Stabilizer Trim - CORRECT ANSWER>>>>Provides alternative control for stabilizer
adjustments.
Alternate Slat/Flap Extension - CORRECT ANSWER>>>>Manual control for slat and flap
deployment.
Flight Path Monitoring - CORRECT ANSWER>>>>Constantly checks and adjusts flight
trajectory.
Airspeed Control - CORRECT ANSWER>>>>Maintains desired speed during flight operations.
Sidestick Pitch Trim Switch - CORRECT ANSWER>>>>Disconnects autopilot, shows trim
speed bug.
FBW Direct Mode - CORRECT ANSWER>>>>Controls HSTAB conventionally on ground or
in flight.
Pitch Trim Switch Operation - CORRECT ANSWER>>>>Disables trimming after 5 seconds
continuous use.
Backup STAB Trim Switch - CORRECT ANSWER>>>>Located on TRIMS panel; disconnects
autopilot.
