Autoflight

Question 1

While the Autopilot is engaged, the use of Aileron Trim is _______.

Answer 1

prohibited

Question 2

The AFDS (Autopilot Flight Director System ) is a dual system consisting of \_\_\_\_\_individual FCCs ( flight
control computers ) and a single mode control panel.

Answer 2

two

Question 3

All AFDS (Autopilot Flight Director System) modes can be disengaged when you select another command
mode or \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_.

Answer 3

by disengaging the A/P and turning the F/Ds off

Question 4

Unless ________, Autopilot engagement in CMD or CWS is inhibited.

Answer 4

• No force is being applied to the control wheel.

* The STAB TRIM AUTOPILOT cutout switch is at NORMAL

Question 5

When you are in a single A/P operation, full automatic flare and touchdown capability and A/P
go-around capability are ______.

Answer 5

not available

Question 6

What steering command allows both of the A/Ps to be engaged at the same time?

Answer 6

the Approach mode

Question 7

The A/P automatically disengages when __________:

Answer 7

• Activating either pilot’s control wheel trim switch or loss of respective hydraulic system pressure
• Pushing either A/P disengage switch or pushing either Takeoff / Go-around (TO/GA) switch with a single
A/P engaged in CWS or CMD below 2000 feet RA

Question 8

On the 737, the F/Ds can be operated __________.

Answer 8

with or without the A/P and A/T

Question 9

How do you know which FCC is the master?

Answer 9

by illumination of the respective master (MA) F/D indicator light

Question 10

What following indications are displayed in the A/P status display located above the attitude indicator?

Answer 10

• CMD, FD, 1 CH

* CWS P, CWS R

Question 11

What does “CMD” indicate in the autopilot status display of the AFDS?

Answer 11

one or both autopilots are engaged

Question 12

What does CWS P indicate in the autopilot status display of the AFDS?

Answer 12

pitch mode engaged in CWS

Question 13

What does CWS R indicate in the autopilot status display of the AFDS?

Answer 13

roll mode engaged in CWS

Question 14

What does SINGLE CH indicate in the autopilot status display of the AFDS?

Answer 14

for a single A/P ILS approach, annunciates after localizer capture and remains on for entire approach

Question 15

What does N1 indicate on the AFDS Flight Mode Annunciations Autothrottle Mode?

Answer 15

The autothrottle maintains thrust at the selected N1 limit displayed on the thrust mode display, including
full go-around N1 setting.

Question 16

What does GA indicate on the AFDS Flight Mode Annunciations Autothrottle Mode?

Answer 16

The autothrottle maintains thrust at reduced go-around setting.

Question 17

What does FMC SPD indicate on the AFDS Flight Mode Annunciations Autothrottle Mode?

Answer 17

The autothrottle maintains speed commanded by the FMC. The autothrottle is limited to the N1 value
shown on the thrust mode display.

Question 18

What does MCP SPD indicate on the AFDS Flight Mode Annunciations Autothrottle Mode?

Answer 18

The autothrottle maintains speed set in the MCP IAS/MACH display. The autothrottle is limited to the N1
value shown on the thrust mode display.

Question 19

What does THR HLD indicate on the AFDS Flight Mode Annunciations Autothrottle Mode?

Answer 19

The thrust lever autothrottle servos are inhibited; the pilot can set the thrust levers manually.

Question 20

To engage a TO/GA mode for takeoff ______________ and you have to press either TO/GA switch

Answer 20

both FD switches must be ON

Question 21

To engage a TO/GA mode for go-around, press either TO/GA switch when _______

Answer 21

• Inflight below 2000 feet radio altitude

* not in takeoff mode and either F/D switch ON or OFF

Question 22

While you are in the pitch mode, VNAV SPD commands _______

Answer 22

the AFDS to maintain the FMC speed displayed on the airspeed indicator and/or the CDU CLIMB or
DESCENT pages

Question 23

In the pitch mode, the AFDS Flight Mode Annunciation VNAV PTH commands _______.

Answer 23

• the AFDS to maintain FMC altitude or descent path with pitch commands

Question 24

In the pitch mode, the AFDS Flight Mode Annunciation V/S (engaged) commands _______.

Answer 24

pitch to hold selected vertical speed

Question 25

In the pitch mode the AFDS Flight Mode Annunciation ALT ACQ commands _______.

Answer 25

a transition maneuver entered automatically from a V/S, LVL CHG, or VNAV climb or descent to the
selected MCP altitude.

Question 26

In the pitch mode the AFDS Flight Mode Annunciation ALT HOLD commands _______.

Answer 26

pitch to hold MCP selected altitude or uncorrected barometric altitude at which ALT HOLD switch was
pushed

Question 27

In the pitch mode the AFDS Flight Mode Annunciation MCP SPD commands _______.

Answer 27

the AFDS to maintain the IAS/MACH window airspeed or Mach

Question 28

In the pitch mode the AFDS Flight Mode Annunciation G/S (engaged) commands _______.

Answer 28

the AFDS to follow the ILS glideslope

Question 29

In the pitch mode the AFDS Flight Mode Annunciation FLARE (engaged) commands _______.

Answer 29

During a dual A/P ILS approach, flare engages at 50 feet radio altitude. FLARE accomplishes the autoland
flare maneuver.

Question 30

In the roll mode the AFDS Flight Mode Annunciation LNAV commands _______.

Answer 30

the AFDS to intercept and track the active FMC route

Question 31

In the roll mode the AFDS Flight Mode Annunciation HDG SEL commands _______.

Answer 31

the aircraft to turn to, or remain on the heading selected in the MCP Heading Display

Question 32

Looking at the Mode Control Panel, Speed mode engages automatically when:

Answer 32

• ALT ACQ engages or ALT HOLD engages

* V/S engages or G/S capture occurs

Question 33

If you push the Speed Intervention (SPD INTV) Switch on the Mode Control Panel when VNAV is engaged, this __________________.

Answer 33

reveals the IAS/MACH display, activates FMC speed intervention, displays the FMC target speed, and allows
the IAS/MACH selector to be used to set the desired speed

Question 34

If you engage VNAV, the FMC command the AFDS pitch and ______________ to fly vertical profile selected
on the ____________.

Answer 34

autothrottle; FMC CDUs

Question 35

While you are in a VNAV SPD descent, the autothrottle holds ______ and the AFDS _________.

Answer 35

idle; holds FMC target speed

Question 36

While you are in a VNAV PTH descent, the autothrottle holds ______ and the AFDS _________.

Answer 36

idle but can command FMC SPD mode if ground speed becomes too low to maintain FMC vertical path;
tracks FMC descent path

Question 37

If you push the Level Change (LVL CHG) switch in a climb, this commands the autothrottles to hold ______
thrust and the AFDS to hold selected airspeed.

Answer 37

• limit

Question 38

If you push the Level Change (LVL CHG) switch in a descent, this commands the autothrottles to hold ______ thrust and the AFDS to hold selected airspeed.

Answer 38

idle

Question 39

While in you are in Altitude Hold, if the Altitude Selector on the Mode Control Panel is rotated in any
direction, the ______ mode is armed.

Answer 39

V/S

Question 40

When you are actively descending or climbing with VNAV engaged, if the ALT INTV switch is pushed, the next altitude restriction in the FMC will be _________.

Answer 40

eliminated

Question 41

Pushing the LNAV Switch commands the AFDS roll to intercept and track the active _______ on the Mode
Control Panel.

Answer 41

• FMC route

Question 42

Initially, pushing the HDG SEL (Heading Select) switch commands a turn in the shortest direction towards the
heading bug

Answer 42

• True

Question 43

Pushing the Approach (APP) Switch arms the AFDS for what?

Answer 43

localizer and glideslope capture