B738 FLIGHT CONTROLS
The flap/slat electronics unit (FSEU) provides:
A) LE skew detection for slats 2 through 7 except during auto slat operation.
B) TE asymmetry protection.
C) Uncommanded motion protection for LE devices or TE flaps.
D) All of the above are correct. - answerd) All of the above are correct.
Select the correct statement:
A) The primary flight controls are powered by hydraulic systems A and B, with
backup from the standby hydraulic system for the rudder and manual reversion for
the ailerons and elevator.
B) Flight spoilers are used both for roll control, descent and deceleration.
C) The trailing edge flaps can be both extended and retracted using the alternate
flap drive system.
D) All statements are correct. - answerd) All statements are correct.
What is the maximum flap extension altitude?
A) 10,000 feet.
B) 17,000 feet.
C) 20,000 feet.
D) 23,000 feet. - answerc) 20,000 feet
The amber FEEL DIFF PRESS light: Is armed when the TE flaps are up or down; When
illuminated (amber), indicates excessive differential pressure in the elevator feel
computer; Note: Excessive differential can be caused by erroneous activation of the
Elevator Feel Shift module.
A) True
B) False - answera) True
The Power Transfer Unit (PTU) provides an alternate source of power for the
autoslat system if:
A) A loss of hydraulic system A pressure is sensed.
B) The hydraulic system A engine‐driven pump is inoperative.
C) The alternate flaps position switch is momentarily held down.
D) Pressure from the hydraulic system B engine‐driven pump drops below limits. -
answerd) Pressure from the hydraulic system B engine‐driven pump drops below
limits.
Yaw damper inputs (main or standby) can be overridden:
A) Only when the yaw damper switch is OFF.
B) By trim inputs but not rudder pedal inputs.
, C) By rudder pedal inputs but not trim inputs.
D) By either trim or rudder pedal inputs. - answerd) By either trim or rudder pedal
inputs
An alternate retraction system is provided for the LE devices.
A) True
B) False - answerb) False
The number of slats located on each wing is:
A) Two.
B) Three.
C) Four.
D) Six. - answerc) Four
Elevator system feel is provided by the elevator feel computer. This computer
receives inputs of:
A) Altitude and elevator position.
B) Elevator balance tabs position.
C) Only system A hydraulic pressure.
D) Airspeed and stabilizer position. - answerd) Airspeed and stabilizer position.
Loss of hydraulic system B pressure does not disengage the yaw damper switch.
A) True
B) False - answera) True
In the event of an Elevator control column jam, an override mechanism allows:
A) For lighter than normal forces to be used on the control column for takeoff or
landing.
B) The control columns to be physically separated.
C) Either crew member to apply force against the jam to breakout the Captain's
control column only.
D) The elevator feel and centring unit to transfer proper aerodynamic forces to the
control columns. - answerb) The control columns to be physically separated.
The autoslat system:
A) Provides for slat deployment above Vmo /Mmo.
B) Drives the slats to the full extended position when the TE Flaps 1 through 5 are
selected and the airplane approaches a stall.
C) Is normally powered by hydraulic system A.
D) Is normally powered by the Power Transfer Unit (PTU). - answerb) Drives the slats
to the full extended position when the TE Flaps 1 through 5 are selected and the
airplane approaches a stall.
The flap load relief system is operational at:
The flap/slat electronics unit (FSEU) provides:
A) LE skew detection for slats 2 through 7 except during auto slat operation.
B) TE asymmetry protection.
C) Uncommanded motion protection for LE devices or TE flaps.
D) All of the above are correct. - answerd) All of the above are correct.
Select the correct statement:
A) The primary flight controls are powered by hydraulic systems A and B, with
backup from the standby hydraulic system for the rudder and manual reversion for
the ailerons and elevator.
B) Flight spoilers are used both for roll control, descent and deceleration.
C) The trailing edge flaps can be both extended and retracted using the alternate
flap drive system.
D) All statements are correct. - answerd) All statements are correct.
What is the maximum flap extension altitude?
A) 10,000 feet.
B) 17,000 feet.
C) 20,000 feet.
D) 23,000 feet. - answerc) 20,000 feet
The amber FEEL DIFF PRESS light: Is armed when the TE flaps are up or down; When
illuminated (amber), indicates excessive differential pressure in the elevator feel
computer; Note: Excessive differential can be caused by erroneous activation of the
Elevator Feel Shift module.
A) True
B) False - answera) True
The Power Transfer Unit (PTU) provides an alternate source of power for the
autoslat system if:
A) A loss of hydraulic system A pressure is sensed.
B) The hydraulic system A engine‐driven pump is inoperative.
C) The alternate flaps position switch is momentarily held down.
D) Pressure from the hydraulic system B engine‐driven pump drops below limits. -
answerd) Pressure from the hydraulic system B engine‐driven pump drops below
limits.
Yaw damper inputs (main or standby) can be overridden:
A) Only when the yaw damper switch is OFF.
B) By trim inputs but not rudder pedal inputs.
, C) By rudder pedal inputs but not trim inputs.
D) By either trim or rudder pedal inputs. - answerd) By either trim or rudder pedal
inputs
An alternate retraction system is provided for the LE devices.
A) True
B) False - answerb) False
The number of slats located on each wing is:
A) Two.
B) Three.
C) Four.
D) Six. - answerc) Four
Elevator system feel is provided by the elevator feel computer. This computer
receives inputs of:
A) Altitude and elevator position.
B) Elevator balance tabs position.
C) Only system A hydraulic pressure.
D) Airspeed and stabilizer position. - answerd) Airspeed and stabilizer position.
Loss of hydraulic system B pressure does not disengage the yaw damper switch.
A) True
B) False - answera) True
In the event of an Elevator control column jam, an override mechanism allows:
A) For lighter than normal forces to be used on the control column for takeoff or
landing.
B) The control columns to be physically separated.
C) Either crew member to apply force against the jam to breakout the Captain's
control column only.
D) The elevator feel and centring unit to transfer proper aerodynamic forces to the
control columns. - answerb) The control columns to be physically separated.
The autoslat system:
A) Provides for slat deployment above Vmo /Mmo.
B) Drives the slats to the full extended position when the TE Flaps 1 through 5 are
selected and the airplane approaches a stall.
C) Is normally powered by hydraulic system A.
D) Is normally powered by the Power Transfer Unit (PTU). - answerb) Drives the slats
to the full extended position when the TE Flaps 1 through 5 are selected and the
airplane approaches a stall.
The flap load relief system is operational at:
