Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

NCR 744 > 9 - Flight Controls > Flashcards

9 - Flight Controls Flashcards

1
Q

How are the outboard elevators controlled?

A

by the position of the related inboard elevator

L-1/R-4

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

How are the inboard elevators controlled?

A

control column inputs mechanically transferred to hydraulic actuators
(L 1/2, R 3/4)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Yaw Damper INOP lights normally remain illuminated until ______

A

the first IRS is aligned

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

With main gear on the ground: speedbrake lever moves to UP and all spoiler panels extend when either:

Armed -

Down-

A

thrust levers 1 and 3 retarded

thrust levers 1 and 3 retarded, and engine 2 or engine 4 reverse thrust lever raised to idle detent

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Speedbrake lever moves to DN and all spoiler panels retract if:

A

engine 1 or engine 3 thrust lever advanced

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Primary mode - positions leading edge flaps ______ and trailing edge flaps ______

Secondary Mode - positions leading and/or trailing edge flaps _______

A

pneumatically

hydraulically

electrically

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

ALTN Mode - positions leading and/or trailing edge flaps ______

maximum extension is flaps ___

A

electrically

25

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Alternate (ALTN) Flaps ARM Switch

ALTN - (5)

A
  • arms flap alternate control mode
  • arms Alternate Flaps selector
  • shuts off primary and secondary mode operation
  • asymmetry protection not available
  • Flap lever inoperative
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Control column inputs ______transfer to ______ actuators on the inboard elevator control surfaces.

A

mechanically

hydraulic

(Inboard elevator position controls input for the related adjacent outboard elevator actuator)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Left and right ______ elevator positions display on the EICAS status display

A

outboard

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

An elevator feel and centering mechanism provides artificial feel at control columns and is powered by _______

Loss of one of the hydraulic systems does not affect
feel forces. If both hydraulic systems fail, _______ provide feel forces

A

hydraulic systems 2 and 3

```
mechanical springs
feel force is no longer a function of airspeed
~~~

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

The stabilizer trim system provides pitch trim by ___________

____ control stabilizer trim control modules powered thru ___ electrical channels

Each control module _______ powers a trim actuator

A

varying the angle of incidence of the horizontal stabilizer

2/2 (normal/alternate)

hydraulically (2-3)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

The Alternate Stabilizer Trim switches provide trim commands in the same manner as the Stabilizer Trim switches through _____________

The Alternate Stabilizer Trim switches also provide ________________

A

a separate control channel

an increased range of stabilizer travel

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

The stabilizer trim indicators incorporate a multiple green band which indicates the acceptable range of trim settings for takeoff. The takeoff trim setting is calculated based on
______________

The ___________ is compared to the calculated green band as a crosscheck to ensure the correct green band is displayed

A

FMC calculated gross weight, center of gravity and takeoff thrust derate selection

nose gear oleo pressure switch

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Hydraulic system(s) _______ power two stabilizer trim actuators

If one actuator fails to operate, trim commanded by the flight crew __________

A

2 and 3

reduces to half the normal scheduled rate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

If a single autopilot is engaged, using the control wheel Stabilizer Trim switches ______

If multiple autopilots are engaged, using the control wheel Stabilizer Trim switches ______

Using the Alternate Stabilizer Trim switches with autopilot(s) engaged ______

A

causes the autopilot to disengage and the stabilizer to move in the desired direction

inhibited

override autopilot trim commands with any number of autopilots engaged and do not cause disengagement

17
Q

Control column inputs in the direction opposing stabilizer trim will __________

The control column trim cutoff function ________ alternate trim inputs

A

cutoff electric trim commands to the control modules

does not affect

18
Q

Speed stability trim uses stabilizer trim _________

Activating the Stabilizer Trim switches or engaging an autopilot _______ speed stability trim

A

to improve handling characteristics of the
airplane in the lower speed range.

inhibits

19
Q

An aileron lockout system locks the outboard ailerons in the neutral position at what speed?

A

238 knots

20
Q

All spoilers, except _______ on each wing, function as flight spoilers which operate with the ailerons to provide roll control.

Spoiler mixers combine _________ allowing roll inputs to deflect spoiler panels up or down from their deployed positions when _________

A

inboard spoiler

speedbrake lever and control wheel inputs

speedbrakes or ground spoilers are in use

21
Q

If the Aileron Trim switches are activated with an autopilot engaged ___________

When the autopilot is disengaged ________

A

the aileron neutral point is repositioned

the wheel and ailerons move to the repositioned aileron neutral point

22
Q

Ailerons are powered by:

L - outboard
L - inboard
R - inboard
R - outboard

A

1/2
1/3
2/4
3/4

23
Q

What is the purpose of the two rudder ratio changer systems?

A

gradually reduce each rudder surface’s response to pedal inputs as airspeed increases

24
Q

If a ratio changer system fails ______________

At low airspeeds ____________

A

the response of the related rudder surface to pedal inputs remains the same as when the failure occurred, regardless of changes in
airspeed

full rudder deflection may not be available. (The
airplane crosswind capability is reduced)
SNGL - 20
DUAL - 10

25
Q

Two independent yaw damper systems operate continuously in flight to ___________

The upper and lower yaw damper actuators are powered by _________
(Yaw damper inputs do not result in rudder pedal motion)

A

improve airplane lateral and directional stability and provide turn coordination

hydraulic systems 3 and 2

26
Q

The upper rudder is powered by ________

The lower rudder is powered by ________

A

Hydraulic systems:

1/3

2/4

27
Q

There are ___ spoiler panels on each upper wing surface just forward of the trailing edge flaps.

The ______ panels on each wing function as speedbrakes in flight.

On the ground ______ spoiler panels on each wing function as ground spoilers

A

six

four inboard

all six

28
Q

The position of one spoiler on each wing is displayed on the EICAS status display.

On the left wing, the position of ______ is displayed.

On the right wing, the position of ______ is displayed.

A

[4] the fourth spoiler panel in from the wingtip is displayed (This panel functions as a flight spoiler, speedbrake, and ground spoiler)

[12] the outboard-most spoiler panel is displayed
(This panel functions as a flight spoiler and ground spoiler only)

29
Q

With the Speedbrake lever in flight detent position, the two inboard spoiler panels on each wing extend to ______ position and the two middle spoiler panels on each wing extend to
_______ position

A

mid-travel

full travel

30
Q

The EICAS advisory message SPEEDBRAKE AUTO indicates ______________

If the Speedbrake lever is in the ARM position, the message indicates ____________

A

a fault that may cause the loss of the automatic ground spoiler function

a fault which could result in inadvertent spoiler extension in flight

31
Q

What hydraulic system(s) power the spoilers?

A

3223 44

32
Q

There are ___ groups of leading edge flaps on each wing

The leading edge flaps are normally powered
_________

A

3 (outboard, midspan, inboard)

pneumatically from the bleed air duct

33
Q

The trailing edge flaps consist of an inboard group normally powered by ________ and an outboard group normally powered by ________

Opposite trailing edge flaps are _______ to maintain symmetry

A

hydraulic system 1

hydraulic system 4.

mechanically connected

NCR 744 (23 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions