United 737 Flight Controls

Question 1

At radio altitudes less than ____’ do not deploy speed brakes in flight

Answer 1

1000’

Question 2

Full power control to the ailerons is provided by ____ hydraulic system

Answer 2

Either

Question 3

If you have a total hydraulic power failure-rotation of the control wheels ____ position the ailerons

Answer 3

mechanically

Question 4

If you have a jammed spoiler system, force applied to the ___ control wheel provides roll control from the ailerons

Answer 4

Captain’s

Question 5

If you have a jammed aileron system, force applied to the _____ control wheel provides roll control from the spoilers

Answer 5

First Officer’s

Question 6

If the autopilot is engaged, any ____ trim applied. can result in an out of trim condition and an abrupt ____ movement when the autopilot is disconnected.

Answer 6

aileron; rolling

Question 7

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

Answer 7

10 degrees

Question 8

On the 737 _____ aileron trim switches reposition the aileron neutral control position.

Answer 8

Movement of both

Question 9

Looking at the pitch control surfaces, these consist of ___powered elevators and an ___ powered stabilizer

Answer 9

hydraulic; electrically

Question 10

If you have a control column jam, an override mechanism allows___

Answer 10

the control columns to be physically seperated

Question 11

If the FEEL DIFF PRESS light illuminates, this indicates ___

Answer 11

excessive differential hydraulic pressure is sensed in the elevator feel computer

Question 12

On the 737, engagement and disengagement of the Mach Trim System is accomplished _____

Answer 12

automatically as a function of airspeed

Question 13

What has occured when the MACH TRIM FAIL light is illuminated only when the Master Caution Annunciator recall is activated?

Answer 13

a single channel failure of the mach trim system

Question 14

The elevator feel shift module increases hydraulic system A pressure to the elevator feel and centering unit during a stall. This increases the ___ force to approximately double the normal feel pressure.

Answer 14

Forward control column

Question 15

There are two modes on the main electric and autopilot stabilizer trim: high speed with flaps ___ and low speed with flaps ____

Answer 15

extended ; retracted

Question 16

Actuating either pair of stabilizer trim switches____ if the autopilot is enaged

Answer 16

Automatically disengages the autopilot

Question 17

With the stabilizer trim outside the takeoff trim range ___ if takeoff is attempted

Answer 17

An intermittent horn sounds

Question 18

____ may be used to return the stabilizer to electrical trim units if manual trim is used to position the stabilizer beyond the electrical trim limits

Answer 18

The stabilizer trim switches

Question 19

The stabilizer trim main electric cutout switch and the stabilizer trim autopilot cutout switch are provided to allow the autopilot or main electrical trim inputs to be ___

Answer 19

disconnected from the single stabilizer trim motor

Question 20

When control column movement opposes the trim direction what will occur?

Answer 20

The control column actuated stabilizer trim cutout switches stop operation of the main electric and autopilot trim

Question 21

Switching the STAB TRIM override switch to OVERRIDE____

Answer 21

electric trim can be used regardless of control column position

Question 22

The speed trim system (STS) is a speed stability augmentation system designed to improve the flight characteristics during any operation with a low gross weight, aft center of gravity, and high thrust when the autopilot ____ engaged

Answer 22

IS NOT

Question 23

____ operated the rudder system

Answer 23

Either Hydraulic System

Question 24

B737 800 the yaw damper uses the ____

Answer 24

HYD SYS B or Standby hydraulic system pressure

Question 25

Above approx 135 knots there is a reduction in both hydraulic system A and B pressure. This function limits FULL rudder authority ___

Answer 25

in flight after takeoff and before landing

Question 26

Which hydraulic system powers the ground spoilers?

Answer 26

A

Question 27

When the sppeed brake lever is actuated all of the spoilers will _____

Answer 27

extend on the ground and only the flight spoilers extend when the aircraft is in the air

Question 28

If you use the flight spoilers during a turn ____

Answer 28

greatly increases the roll rate

Question 29

All flight and ground spoilers will automatically rise to the full extension on landing if the speed brake lever is int he ARMED position and ____

Answer 29

both thrust levers are at IDle

Question 30

An illuminated SPEED BRAKE Do not ARM light indicates____

Answer 30

An abnormal condition or during landing the wheel speed has dropped below 60 kts and the speed brake lever is not in the down position

Question 31

The speedbrake lever _____ position in the 737 indicates all flight spoilers are extended to their maximum position for inflight use, while the ____ indicates all flight and ground spoilers are extended to their maximum positio for use on the ground.

Answer 31

FLIGHT DETENT

UP

Question 32

In the event of a total hydraulic system B failure, the trailing edge flaps ____

Answer 32

Can be operated electrically

Question 33

____ is provided through the electrical alternate flap drive system.

Answer 33

No asymmetry or skew protection

Question 34

The Flaps/Slats Electronic Unit (FSEU) monitors trailing edge flaps for _____. If the FSEU detects a trailing edge problem, it ____ the trailing edge flap bypass valve preventing further travel.

Answer 34

asymmetry and skew conditions

closes

Question 35

The TE flap load relief function protects the flaps from excessive air loads. When the flaps are set to 40 the trailing edge flaps will ____ if airspeed exceeds a predetermined limit.

Answer 35

retract to 30

Question 36

The 737 leading edge devices are normally extended and retracted by ____

Answer 36

hydraulic power from system B

Question 37

The 737 leading edge devices ____ be retracted by the standby hydraulic system

Answer 37

CANNOT

Question 38

At Flaps 1, the Auto Slat system _____ as the aircraft approaches a stall condition.

Answer 38

Automatically drives the slats to FULL EXTEND

Question 39

An amber illuminated Leading Edge Devices Transit ( LE FLAP TRANSIT) light, indicates _____

Answer 39

a LE slat skew condition exists

any LE device is in transit, or is not in its programmed position with respect to the trailing edge flaps