Boeing 737NG - Flight controls - SmartCockpit - Airline training guides, Aviation, Operations, Safety

What do the MACH TRIM FAIL, SPEED TRIM FAIL & AUTO SLAT FAIL lights have in common? + All of the above.

Also illuminates the Master Caution & FLT CONT annunciator lights.

Will illuminate during Master Caution Recall if only one computer has failed.

Will illuminate if both system computers fail.

All statements are correct.

Correct! Wrong!

During flight with both hydraulic systems A & B inoperative:

The standby hydraulic system operates the flaps flaps system normally

Trim is available for the stabilizer and rudder only. Aileron trim is inoperative with the autopilots disengaged.

The standby hydraulic system operates the trailing edge flaps normally

The autoslat system is still functional through the operation of the PTU

Correct! Wrong!

The trailing edge flaps devices consist of double slotted flaps inboard outboard of each engine.

False

True

Correct! Wrong!

What is number of ground spoilers on each wing?

Correct! Wrong!

The Flap/Slat Electronics Unit (FSEU) provides:

Uncommanded motion protection for LE devices and TE flaps.

TE asymetry protection by removing hydraulic pressure to the TE flaps if an asymetry is detected

LE skew detection for slats 2 through 7 except during autoslat operation

All statements are correct.

Correct! Wrong!

Yaw damper inputs (main or standby) can be overriden:

By either trim or rudder pedal inputs.

By rudder pedal inputs but not trim inputs

Only when the yaw damper switch is off

By trim inputs but not rudder pedal inputs

Correct! Wrong!

The Power Transfer Unit provides an alternate source of power for the Autoslat System if:

A loss of pressure from the Hydraulic System B engine pump is sensed.

A loss of Hydraulic System A pressure is sensed

The Alternate Flaps Position Switch is momentarily held down

Hydraulic System A engine driven pump is inoperative

Correct! Wrong!

In addition to Hydraulic System A & B, the rudder can also be powered by the Standby Hydraulic System through the:

Standby Rudder Power Control Unit

System B Standby Rudder Power Control Unit

System A Standby Rudder Power Control Unit

Main Rudder Power Control Unit

Correct! Wrong!

If the spoilers become jammed:

The ALT spoiler system is selected

The first officer’s control wheel operates the spoilers and ailerons

The captain’s control wheel operates the ailerons

The first officer’s control wheel operates the ailerons

Correct! Wrong!

Main electric trim has 2 speed modes : high & low speed.

True.

Correct! Wrong!

Landing flap 40 selected and in position. An IAS of 178kts is flown due to a highwind gust. Would you expect:

Flaps to retract to 30.

Flaps to remain in the current configuration.

Flaps to retract to 25.

Flaps to retract to 15.

Correct! Wrong!

! When the flaps are set at 40, the TE flaps:- retract to 30 if airspeed exceeds 163 knots- re-extend when airspeed is reduced below 158 knots.When the flaps are set at 30, the TE flaps:- retract to 25 if the airspeed exceeds 176 knots- re-extend when airspeed is reduced below 171 knots.

Elevator Feel provides simulated aero forces using airspeed from elevator pitot & stabilizer position.

False

True

Correct! Wrong!

The feel is transmitted to the control columns by the elevator feel & centering unit.

During a steady right-handed turn on the ground, correct indications of the Yaw Damper indicator would be?

Steady in the center position.

Steady full scale left deflection.

Steady full scale right deflection

Correct! Wrong!

Leading Edge devices are normally operated by ______

Hydraulic Systems A & B

Hydraulic System B

Standby Hydraulic system.

Hydraulic System A

Correct! Wrong!

Mach Trim system corrects for Mach tuck by moving stabilizer up.

False.

True.

Correct! Wrong!

It moves elevators up (not the stabilizer)

During an ALL FLAPS UP LANDING, the speed to be maintained is:

VREF40 + 55

VREF40 + 15

VREF40 + 60

VREF40 + 30

Correct! Wrong!

During the ALTERNATE FLAPS OPERATION procedure, the flight crew should plan a Flaps 15 landing. After arming the ALTERNATE FLAPS MASTER SWITCH (230 kt max), the flight crew set the flaps to desired flap position and extend flaps on maneuvering speed schedule. The LE FLAPS TRANSIT light will remain illuminates until the flaps approach the:

Flaps 1 position

Flaps 10 position

Flaps 15 position.

Flaps 5 position

Correct! Wrong!

The ALTERNATE FLAPS Master Switch:

Fully extends the LE Devices using Standby Hydraulic pressure, and electrically extends the TE Flaps

Activates the Standby Hydraulic Pump and pressurizes the STANDBY Rudder Power Control Unit.

Arms the Alternate Flaps Position Switch, activates the Standby Hydraulic Pump, and closes the Trailing

Closes the Flight Spoiler Shutoff valve

Correct! Wrong!

The amber LE FLAPS TRANSIT light:

Indicates all LE Devices are fully extended

Is inhibited during Autoslat operation inflight

Indicates LE Slats are fully extended

Provides TE Flaps asymetry protection.

Correct! Wrong!

What is the maximum flap extension altitude?

20 000 feet

17 000 feet

23 000 feet

10 000 feet

Correct! Wrong!

Dual AILERON trim switches, located on the aft electronic panel, must be pushed simultaneously to command trim changes. The trim electrically repositions the aileron feel and centering unit, which causes the control wheel to rotate and redefines the aileron neutral position.

True

False.

Correct! Wrong!

Loss of Hydraulic System B pressure does not cause illumination of the amber YAW DAMPER light or yaw damper disengagement.

False.

True.

Correct! Wrong!

At what flap setting(s) should the leading edge slats be in the FULL EXTEND position?

5 to 40.

1 to 5

Greater than 5

Correct! Wrong!

If the flight crew activates the FLT CONTROL switch Overhead panel to STBY RUD, it activates the:

Standby hydraulic systemp pump.

Standby hydraulic system pump and opens the standby rudder shutoff valve to pressurize standby rudder power control unit.

Standby hydraulic system pump and closes the standby rudder shutoff valve

Standby hydraulic system pump and closes flight control shutoff valve, isolating ailerons and elevators.

Correct! Wrong!

The airspeed range for trim operation is:

100-300 KIAS

100 KIAS - Mach 0.50

158-300 KIAS

100 KIAS - Mach 0.615

Correct! Wrong!

What is the number of flight spoilers located on each wing?

Correct! Wrong!

The primary flight controls consist of rudder, ailerons and ______

Speedbrakes

Elevators

Flaps

Spoilers

Correct! Wrong!

The flight control computers use Mach Information from the _____ to compute a Mach trim actuator position.

Airspeed Indicator

ADIRU

Mach/Airspeed Indicator and thrust levers position

Airspeed Indicator and any thrust lever position.

Correct! Wrong!

Why are mechanical gates installed on the flap selector unit.

To prevent inadvertent flap lever movement beyond F1 and F15 during G/A

To hinder flap movement beyond F15 until gear down is selected.

Prevent flap movement to UP position when speed is too low.

Prevent flap movement to UP position

Correct! Wrong!

If wheel spinup is not detected on landing with the speed brake armed the flight spoilers will deploy automatically :

Only when the RIGHT main landing gear strut compresses

Flight spoilers do not deploy on landing, only ground spoilers deploy.

When the air/ground system senses the ground mode (any strut compresses)

When the ground spoilers deploy

Correct! Wrong!

The number of slats located on each wing are:

Correct! Wrong!

The flap load relief system is operational at:

Flaps 30 & 40

Flaps 15, 30 & 40

All flap settings

Flaps 40 only.

Correct! Wrong!

Concerning Mach Trim operation, FCCs use Mach information from the ADC / ADIRU, to compute a Mach trim actuator position whih repositions the elevator feel & centering unit, which adjusts the control column neutral position (column will not move).

False

True

Correct! Wrong!

The column will move

During descent from altitude you need to decrease your aispeed by using your speed brakes. What is the correct position of the SPEED BRAKE LEVER.

Any intermediate position.

ARMED

FLIGHT DETENT

Correct! Wrong!

The FEEL DIFF PRESS light indicates:

A loss of pressure in the elvator feel computer.

An excessive differential pressure in the elevator feel computer.

An excessive temperature in the elevator feel computer

A data loss in the elevator feel computer.

Correct! Wrong!

Excessive differential pressure can be caused by erroneous activation of the Elevator Feel Shift module.

The amber FEEL DIFF PRESS light illuminates when the:

Flaps are up and a pressure imbalance between hydraulic systems A & B is detected or if one of the elevator feel pitot systems fails

Flaps are not up and a hydraulic pressure imbalance is detected or one of the elevator feel pitot systems fails

Flaps are up or down and a hydraulic pressure imbalance is detected or if one of the elevator pitot systems fails. - No correct answer is provided.

Flaps are not up (more than 5) and a hydraulic pressure imbalance is detected or one of the elevator feel pitot systems fails

Correct! Wrong!

To operate the Feel system, the Elevator Feel Computer uses:

Hydraulics system A

Either hydraulics system A or B pressure

Either hydraulics system A or B pressure (whichever is higher)

Hydraulics system B

Correct! Wrong!

The system operates normally even with only one hydraulics system remaining

If the SPEEDBRAKES EXTENDED light is illuminated in flight. It indicates:

The speed brake lever is beyond the ARMED position with either the TE flaps extended more than Flaps 15 or the Radio altitude is less than 2500 ft

The speed brake lever is beyond the ARMED position with either the TE flaps extended more than Flaps 10 or the Radio altitude is less than 800 ft

The speed brake lever is beyond the ARMED position with either the TE flaps extended more than Flaps 5 or the Radio altitude is less than 500 ft

The speed brake lever is beyond the ARMED position with either the TE flaps extended more than Flaps 1 or the Radio altitude is less than 800 ft

Correct! Wrong!

Extending the flaps to flaps 15 using ALTERNATE FLAPS takes approximately _______

30 seconds

1 minute

4 minutes.

2 minutes

Correct! Wrong!

? With a loss of both system A & B, the elevator FEEL DIFF PRESS light will illuminate:

True

False

Correct! Wrong!

The flight spoilers rise on the wing with up aileron and remain faired on the wing with down aileron. When the control wheel is displaced more than approximately ____ degrees, spoiler deflection is initiated.

6,5

Correct! Wrong!

With the loss of hydraulic system B, (system A operating normally):

Standby yaw damper functions are available as long as hydraulic system A is providing normal pressure and the yaw damper switch is ON

Standby yaw damper functions are available if the FLT CONTROL B switch is placed to STBY RUD and the YAW DAMPER switch is reset to ON

Main yaw damper functions are available as long as hydraulic system A is providing normal pressure and the yaw damper switch is ON.

Main & standby yaw damper functions are lost

Correct! Wrong!

The trailing edge flaps are at 15 units. The correct indication on the aft overhead panel for the leading edge devices is:

All amber TRANSIT lights illuminated

LE slats EXT lights and LE flaps FULL EXT lights illuminated.

All LE devices FULL EXT lights illuminated

All LE devices EXT lights illuminated

Correct! Wrong!

Elevator system feel is provided by the elevator feel computer. This computer receives inputs of:

Altitude & elevator position

Only System A hydraulic pressure

Elevator balance tabs position

Airspeed & stabilzer position.

Correct! Wrong!

Speed Trim Failure (SPEED TRIM FAIL) Light - If illuminated (amber) this indicates a:

Failure of the speed trim system but also indicates failure of the elevator system if the MASTER WARNING cannot be reset.

Partial failure of the speed trim system if the MASTER CAUTION can be reset.

Failure of the speed trim system but also indicates a failure of a single FCC channel when MASTER CAUTION light recall is activated and light extinguishes when Master Caution System is reset.

Failure of the speed trim system

Correct! Wrong!

If the flight crew selects the ALTERNATE FLAPS to the ARM position:

Standby pump is armed while the Trailing Edge flap bypass valve is energized.

Standby pump is armed while the Trailing Edge flap bypass valve is de-energized.

Trailing Edge flap bypass valve closes, standby pump activates and ALTERNATE FLAPS position switch is armed

Trailing Edge flap bypass valve closes and standby pump activates.

Correct! Wrong!

The Speed Trim System (STS) operates most frequently during takeoffs & go-arounds. Conditions for speed trim operation are:

Airspeed between 100 KIAS and Mach 0.68, 10 seconds after takeoff, 5 seconds following release of trim switches, N1 above 40%, sensing of trim requirement

Airspeed between 100 KIAS and Mach 0.68, 10 seconds after takeoff, 5 seconds following release of trim switches, N1 above 60%, autopilot not engaged, sensing of trim requirement

Airspeed between 100 KIAS and Mach 0.68, 15 seconds after takeoff, 5 seconds following release of trim switches, N1 above 60%, sensing of trim requirement

Airspeed between 100 KIAS and Mach 0.68, 10 seconds after takeoff, 5 seconds following release of trim switches, N1 above 40%, autopilot not engaged, sensing of trim requirement

Correct! Wrong!

The elevator transfer mechanism allows:

The elevator feel & centering unit to transfer proper aerodynamic forces to the control columns

Forces from either control column to be transferred to the stabilizer.

The elevator feel and centering unit to transfer the source of power for elevator actuators to hydraulic systems A or B, depending upon which is producing higher pressure.

The control column to be physically separated in the event of an elevator jam.

Correct! Wrong!

The speedbrake lever will move forward and all spoilers will retract if either thrust lever is advanced after landing.

True

False.

Correct! Wrong!

During a normal landing, flight spoilers & ground spoilers will always extend simultaneously.

True

False.

Correct! Wrong!

The Speed Trim System (STS) is a speed stability augmentation system designed to improve flight characteristics during operation with a low gross weight, aft center of gravity and high thrust when the autopilot is not engaged.

False

True

Correct! Wrong!

The STS monitors inputs of stabilizer position, thrust lever position, airspeed and vertical speed and then trims the stabilizer using the autopilot stabilizer trim.Remember that the SPEED TRIM FAIL amber light is often illuminated when you arrive at the aircraft. It is only due to the Inertial Vertical Speed Indicator which is not powered by the ADIRUs (IRS selectors OFF): the STS receives invalid inputs.

The Autoslat system:

Is normally powered by Hydraulic System A

Provides for slat deployment above VMO/MMO

Is normally powered by Transfer Bus No.2

Drives the slats to FULL EXTEND when TE Flaps 1 through 5 are selected and the airplane approaches a stall

Correct! Wrong!

In the event of hydraulic Systems A & B fail, ailerons, elevators, and rudder can be operated with the Standby system.

True

False

Correct! Wrong!

A Mach Trim system provides speed stability at the higher Mach numbers.Mach trim is automatically accomplished above:

Mach 0.655

Mach 0.615

Mach 0.70

Mach 0.50

Correct! Wrong!

The SPEED BRAKE DO NOT ARM light indicates that the speedbrake is not usable.

False

True

Correct! Wrong!

What is the correct flap setting for a jammed stabilizer landing?

30 or 40

Correct! Wrong!

Roll control is provided by the ailerons, assisted by the _____

Flight spoilers

Ground spoilers

Flight spoilers & ground spoilers

Flight spoilers or ground spoilers (depending on speed)

Correct! Wrong!

Boeing 737NG – Flight controls

What do the MACH TRIM FAIL, SPEED TRIM FAIL & AUTO SLAT FAIL lights have in common? + All of the above.

During flight with both hydraulic systems A & B inoperative:

The trailing edge flaps devices consist of double slotted flaps inboard outboard of each engine.

What is number of ground spoilers on each wing?

The Flap/Slat Electronics Unit (FSEU) provides:

Yaw damper inputs (main or standby) can be overriden:

The Power Transfer Unit provides an alternate source of power for the Autoslat System if:

In addition to Hydraulic System A & B, the rudder can also be powered by the Standby Hydraulic System through the:

If the spoilers become jammed:

Main electric trim has 2 speed modes : high & low speed.

Landing flap 40 selected and in position. An IAS of 178kts is flown due to a highwind gust. Would you expect:

Elevator Feel provides simulated aero forces using airspeed from elevator pitot & stabilizer position.

During a steady right-handed turn on the ground, correct indications of the Yaw Damper indicator would be?

Leading Edge devices are normally operated by ______

Mach Trim system corrects for Mach tuck by moving stabilizer up.

During an ALL FLAPS UP LANDING, the speed to be maintained is:

The ALTERNATE FLAPS Master Switch:

The amber LE FLAPS TRANSIT light:

What is the maximum flap extension altitude?

Dual AILERON trim switches, located on the aft electronic panel, must be pushed simultaneously to command trim changes. The trim electrically repositions the aileron feel and centering unit, which causes the control wheel to rotate and redefines the aileron neutral position.

Loss of Hydraulic System B pressure does not cause illumination of the amber YAW DAMPER light or yaw damper disengagement.

At what flap setting(s) should the leading edge slats be in the FULL EXTEND position?

If the flight crew activates the FLT CONTROL switch Overhead panel to STBY RUD, it activates the:

The airspeed range for trim operation is:

What is the number of flight spoilers located on each wing?

The primary flight controls consist of rudder, ailerons and ______

The flight control computers use Mach Information from the _____ to compute a Mach trim actuator position.

Why are mechanical gates installed on the flap selector unit.

If wheel spinup is not detected on landing with the speed brake armed the flight spoilers will deploy automatically :

The number of slats located on each wing are:

The flap load relief system is operational at:

Concerning Mach Trim operation, FCCs use Mach information from the ADC / ADIRU, to compute a Mach trim actuator position whih repositions the elevator feel & centering unit, which adjusts the control column neutral position (column will not move).

During descent from altitude you need to decrease your aispeed by using your speed brakes. What is the correct position of the SPEED BRAKE LEVER.

The FEEL DIFF PRESS light indicates:

The amber FEEL DIFF PRESS light illuminates when the:

To operate the Feel system, the Elevator Feel Computer uses:

If the SPEEDBRAKES EXTENDED light is illuminated in flight. It indicates:

Extending the flaps to flaps 15 using ALTERNATE FLAPS takes approximately _______

? With a loss of both system A & B, the elevator FEEL DIFF PRESS light will illuminate:

The flight spoilers rise on the wing with up aileron and remain faired on the wing with down aileron. When the control wheel is displaced more than approximately ____ degrees, spoiler deflection is initiated.

With the loss of hydraulic system B, (system A operating normally):

The trailing edge flaps are at 15 units. The correct indication on the aft overhead panel for the leading edge devices is:

Elevator system feel is provided by the elevator feel computer. This computer receives inputs of:

Speed Trim Failure (SPEED TRIM FAIL) Light - If illuminated (amber) this indicates a:

If the flight crew selects the ALTERNATE FLAPS to the ARM position:

The Speed Trim System (STS) operates most frequently during takeoffs & go-arounds. Conditions for speed trim operation are:

The elevator transfer mechanism allows:

The speedbrake lever will move forward and all spoilers will retract if either thrust lever is advanced after landing.

During a normal landing, flight spoilers & ground spoilers will always extend simultaneously.

The Speed Trim System (STS) is a speed stability augmentation system designed to improve flight characteristics during operation with a low gross weight, aft center of gravity and high thrust when the autopilot is not engaged.

The Autoslat system:

In the event of hydraulic Systems A & B fail, ailerons, elevators, and rudder can be operated with the Standby system.

A Mach Trim system provides speed stability at the higher Mach numbers.Mach trim is automatically accomplished above:

The SPEED BRAKE DO NOT ARM light indicates that the speedbrake is not usable.

What is the correct flap setting for a jammed stabilizer landing?

Roll control is provided by the ailerons, assisted by the _____