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787 Technical Questions > 10. Flight Instruments, Displays > Flashcards

10. Flight Instruments, Displays Flashcards

1
Q

How many Display Units (DUs) are there?

A

5.

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2
Q

Which displays are Multi-Function Displays (MFDs)?

A

Inboard DUs and the lower DU.

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3
Q

What are the five primary groups of information displayed?

A
  • Primary flight display (PFD) with mini-map
  • Navigation display (ND)
  • Engine indication and crew alerting system (EICAS)
  • Auxiliary display (AUX)
  • Multifunction display (MFD)
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4
Q

After power up, with the PFD/MFD selectors set to NORM, the displays are in what default configuration?

A
  • A normal-display ND is shown in the left MFD of the Captain’s inboard DU
  • A full-display ND is shown on the First Officer inboard DU
  • EICAS is displayed in the right MFD window of the Captain’s inboard DU
  • The CDU is displayed in each MFD window of the lower DUs
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5
Q

What is a typical display configuration for normal operations?

A
  • PFDs are displayed on the two outboard DUs
  • EICAS is displayed in either the right MFD window of the Captain’s inboard DU or in the left MFD window of the First Officer’s inboard DU
  • A normal-display ND is shown in the MFD window on the same inboard DU as EICAS
  • A full-display ND (two MFD windows) is shown on the inboard DU without EICAS
  • The CDU is displayed in each MFD window of the lower DU
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6
Q

a. How many instances of the same Checklists (CHKL) can be displayed simultaneously?
b. Are these checklist displays independent or synchronised

A

a. 1 per side
b. Synchronised i.e. any change on one instance affects all other instances of
that display

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7
Q

If an EFIS Control Panel or Display Select Panel (DSP) fails, what back-up control is available

A

The displays can be controlled through the backup EFIS/DSP display on the SYS page.


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8
Q

each pilot selects an ND into a window on the lower DU, a single full- display ND is shown. Whose EFIS Control Panel will control that ND?

A

The pilot that first selected an ND on the lower DU

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9
Q

WXR, TFC & TERR Map switches are located on the EFIS Control Panel. What alternative method is there to select these map indications?

A

The drop down Menu in the ND MAP mode.

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10
Q

What do the following switches on the Display Select Panel (DSP) do when pushed?

a. The L and R switches
b. EICAS transfer switch
c. ENG switch

A

a. Selects the on-side MFD location (left or right window on each upper display unit) that is affected by pressing display switches.
b. Transfers EICAS format between the Captain and First Officer inboard display units.
c. Displays the secondary engine information on EICAS.

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11
Q

The Lower Display Switches on the Multifunction Keypad (MFK) gives pilots control of which DU?

A

The on-side MFD on the lower DU.

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12
Q

Which MFD functions can be displayed using the MFK?

A

SYS, CDU, INFO

CHKL, COMM, ND

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13
Q

What do the following MFD switches on the DSP and MFK display when pushed?

a. SYS
b. CDU
c. INFO
d. COMM

A

a. SYS - system synoptic and maintenance information.
b. CDU - display emulation of the Control display Unit (CDU).
c. INFO - airport map database cycles.
d. COMM – Communications menu.

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14
Q

What is the purpose of the PFD/MFD Source selector?

A

To switch displays if there is undetected display unit failure.


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15
Q

What is displayed if the PFD/MFD Source selector is moved to the INBD DU position?

A

The outboard display unit is blanked and the inboard display unit shows the cropped PFD and EICAS or whichever display that was shown in place of EICAS before the failure.

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16
Q

When the AIR DATA/ATT Source selector is in AUTO: -

a. What is the primary source of air data to the PFD/HUD?
b. What is the automatic backup source of airspeed based on?
c. What is the automatic backup altitude based on?
d. What is the primary source of attitude information to the PFD/HUD?
e. What automatically provides backup attitude if required?
f. Can these backup sources of data be selected manually?

A

a. The ADRS.
b. AOA and inertial data.
c. GPS data.
d. The IRS.
e. The ISFD.
f. Yes, by selecting the AIR DATA/ATT Source selector to ALTN.

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17
Q

Display cursor control is provided by which flight deck units?

A

The Cursor Control Device (CCD), MFK and EFIS Control Panel.

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18
Q

What happens if the corners of the CCD are touched?

A

It immediately places the cursor in the corresponding corner of the selected MFD.

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19
Q

What flight information displayed by the Integrated Standby Flight Display (IFSD)?

A

Attitude, airspeed, altitude, ILS, GLS and heading information.

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20
Q

From which sources does the IFSD obtain:-

a. Airspeed and altitude data?
b. Attitudeinformation?
c. ILS or GLS information?
d. Heading information?

A

a. Center pitot and static ports. b. Internalinertialsensors.

c. Left INR receiver.
d. Captain’sPFD.

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21
Q

Is the equipped with a standby magnetic compass?

A

Yes.

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22
Q

Where is the Auxiliary (AUX) display located?

A

The outboard area of each PFD.

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23
Q

What information is displayed on the clock/flight information block of the AUX display?

A
  • Flight number
  • MIC readout
  • Transponder code
  • SELCAL
  • Airplane tail number
  • UTC time
  • Date
  • Elapsed flight time
  • Chrono dial and readout
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24
Q

What information is displayed in the ATC Datalink block of the AUX display?

A

Uplinked messages, COMM system generated messages and flight information messages.

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25
Q

a. What is the primary source of attitude and inertial navigation position information to the flight displays?
b. What are the major components of this system?

A

a. The Inertial Reference System (IRS).

b. Two Inertial Reference Units (IRUs) and two Attitude Heading Reference Units (AHRUs).

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26
Q

The IRUs use what data to compute position information?

A

Internal gyros and accelerometers and GPS inputs.

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27
Q

a. Which system provides primary, secondary and standby air data?
b. What are the major components of this system?

A

a. The Air Data Reference System (ADRS)
b. :-
• six air data modules
• six static ports
• three pitot probes
• two angle-of-attack sensors
• one total air temperature probe.

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28
Q

What does the ALIGN HUD message displayed next to the airplane symbol mean?

A

The combiner screen is not properly aligned with the projector?

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29
Q

What is the main difference between HUD full and decluttered displays?

A

The decluttered display removes airspeed and altitude tapes, displaying only digital values. The partial compass rose is also removed.

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30
Q

Due to the monochromatic nature of the HUD, how is the colour alerting functions used on the PFD displayed on the HUD?

A 
The HUD may use
• flashing
• shape filling/blanking
• highlight box symbology
• or have no distinct HUD alert.

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31
Q

a. When do Chevrons appear on the HUD?

b. In this situation, what happens to the pitch scale?

A

a. Excessively high or low pitch angles.

b. The pitch scale compresses from 5° to 10° increments.

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32
Q

a. What is the purpose of the Unusual Attitude (UA) symbology?
b. When does the UA symbology appear?
c. Where are the zenith and nadir symbols on the UA display?

A

a. To display symbology necessary to help recover from the situation.
b. Pitch angle exceeds -20° or +35°, or if roll exceeds 55° in either direction.
c. The zenith symbol is centered on the +90° pitch scale line, and the nadir symbol centered on the -90° pitch scale line.

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33
Q

a. What action is required for the Ground Deviation Indications to be used on take-off?
b. When do these indications appear on the HUD?

A

a. HUD takeoff guidance needs to be selected in the FMC.
b. • A/C HDG within 45° of the R/W heading and
• Within 2° of the center of the ILS localizer beam or
• 75 feet of the GLS localizer centerline.

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34
Q

On take-off, when does the TO/GA Reference Line appear?

A

When flight director TO/GA mode is active, and groundspeed is greater than 65 knots.

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35
Q

a. When does the Flight Path Vector (FPV) symbol appear?
b. Does the FPV symbol have priority over other HUD symbology?
c. What happens to the FPV symbol if it moves to the lateral limits of the HUD display?
d. In this situation, what can’t the FPV provide anymore?

A

a. Only in-flight.
b. Yes, except for the Guidance Cue
c. The FPV symbol has a dashed outline instead of a solid outline.
d. It cannot indicate the airplane’s current drift angle.


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36
Q

a. What indications does the Guidance Cue provide
b. When does the symbol appear?
c. In what situation does the symbol change from hollow to solid (filled)?

A

a. It represents flight director guidance.
b. When the flight directors are turned on and when above 50 feet RA on take-off, or, when the FPV appears if a HUD take-off is selected.
c. During a windshear alert condition.


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37
Q

a. What does the HUD angle-of-attack limit indicator represent?
b. What is the significant difference between the PFD pitch limit indicator (PLI) and the HUD AOA limit indicator

A

a. The distance between the AOA limit symbol and the flight path vector symbol represents the margin available before stick shaker occurs.
b. The PFD PLI is displayed relative to the airplane reference symbol, not
to the flight path vector.

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38
Q

When do the AOA limit indications appear?

A
  • Angle of attack is within 5° of stick shaker, or
  • Stick shaker is active, or
  • Windshear alerting with (solid) guidance cue displayed
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39
Q

What is the purpose of the Fly-To symbology?

A

It is an indication of where the flight path vector symbol should be positioned in order to obtain vertical separation from traffic, directing an evasive manoeuvre.

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40
Q

The Speed Error Tape is located on the left wing of the Flight Path Vector symbol:-

a. What does the tape indicate?
b. The speed error tape does not appear until when?
c. Why is this the case?

A

a. It shows the difference between the indicated airspeed and the selected airspeed on the MCP.
b. First flap retraction.
c. To prevent an incorrect interpretation of the speed error tape when selected airspeed on takeoff is V2, whereas flight director guidance airspeed is V2 + 15.

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41
Q

What is the Speed Error Tape indication if:-

a. Indicated speed is faster than selected speed?
b. Indicated speed is slower than selected speed?

A

a. The tape rises above the wing.

b. The tape falls below the wing

42
Q

What is the maximum speed error indicated by the tape?

A

15kts

43
Q

The Flight Path Acceleration symbol is represented by a ‘>’ icon.

a. Where is the symbol located?
b. What is the indication if the aircraft is accelerating or decelerating?
c. To maintain a steady speed state, where does the symbol need to be positioned?

A

a. To the left of the FPV symbol.
b. When accelerating, the symbol is above the FPV wing. When decelerating, it is below the wing.
c. Directly to the left of the left FPV symbol wing

44
Q

During an approach, the Glideslope Reference Line appears on the HUD. What is the symbology?

A

A horizontal dashed line across the pitch scale depicts the projected glideslope angle of the active approach. A numerical value is digitally displayed adjacent to the glideslope reference line.

45
Q

a. When do the runway edge lines appear?

b. What are the indications composed of?

A

a. From a radio altimeter altitude of 300 feet, and removed at 60 feet.
b. Runway edge lines with two tick marks that correspond to the touchdown aiming point.

46
Q

When does the Ground Deceleration Rate Scale display?

A

On landing or when a deceleration is sensed on takeoff above 50kts.

47
Q

In which area of the PFD are the airspeed indications displayed?

A

Left hand side

48
Q

How and where on the PFD are the following displayed?

a. Selected airspeed
b. Currentairspeed c. Current mach

A

a. Digits above airspeed tape and a bug against the scale. b. In the centre of the airspeed tape (boxed).
c. Digits at the bottom of the airspeed tape.

49
Q

When are the flap manoeuvring speeds displayed?

A

Below 20,000 ft

50
Q

How is slip information displayed?

A

A box moving with respect to the bank indicator.



51
Q

What happens to the slip indicator as it moves to full deflection?

A

It fills white, (amber if bank exceeds 35°)



52
Q

How are marker beacons annunciated?

A

IM, MM or OM in top right corner of attitude display.

53
Q

When do the pitch limit indication display?

A

Flaps not up or at slow speeds with flaps up.

54
Q

Where do radio minimums information appear on the PFD?

A

Top right of the attitude display.

55
Q

When is radio altitude displayed?

A

Below 2,500ft AGL



56
Q

When do the Navigation Performance Scale (NPS) appear on the PFD?

A
  • LNAV is armed or active
  • VNAV is active
  • TO/GA roll mode is active
57
Q

What does the area between the bars on the NPS represent?

A

The margin available to remain within RNP criteria.



58
Q

What does the NPS deviation pointer do if it migrates into the bar area for more than 5 seconds?

A

Flashes for ten seconds.



59
Q

When does ILS/GLS or IAN approach reference data appears on the top left corner of the attitude indicator? When …

a. Manually tuned?
b. Auto-tuned?

A

a. Immediately.
b. The airplane is:
• < 150 NM from the destination airport
• < 50 NM from Top of Descent
• FMC is in descent mode

60
Q

What ILS/GLS approach reference data is displayed?

A
  • Selected ILS/GLS identifier or frequency, approach front course
  • ILS/GLS DME distance
  • Navigation source annunciation
61
Q

What Integrated Approach Navigation (IAN) reference data is displayed?

A
  • Type of approach, runway, approach front course
  • Missed approach way point name, distance to that waypoint
  • Source annunciation
62
Q

Where does selected altitude appear on the PFD altitude indication?

A

Digits above the altitude tape and a bug against the scale.

63
Q

What indication is displayed on the altimeter tape if you deviate from your selected altitude by more than 200ft?

A

A highlighted amber box appears around the current altitude.



64
Q

How can altitude in meters be selected and where is it displayed?

A

By pressing the MTRS selector on the EFIS panel. Above the altitude tape.


65
Q

Where does the baro setting appear?

A

Below the altitude tape.



66
Q

What does the baro minimums display do when the aircraft descends below the selected minimum altitude?

A

Turns amber and flashes for 3 seconds.



67
Q

What does the autopilot/flight director barometric source (L or R) indicate?

A

Whether the left or right EFIS control panel is the barometric setting reference.

68
Q

In which area of the PFD is the vertical speed indication displayed?

A

To the right of the altitude tape.

69
Q

When does vertical speed appear in digital form and where is it displayed?

A

When vertical speed is greater than 400 fpm. Above the vertical speed indication when climbing, below when descending.

70
Q

In what form is selected vertical speed displayed?

A

A magenta bug against the vertical speed scale. Also in digital form in the Vertical Speed window on the MCP.

71
Q

What information is displayed on the Mini-map?

A

Current IRS heading, track and other heading information, flight plan with associated information.

72
Q

What symbol indicates the current heading on the PFD?

A

A triangular pointer against a compass arc.

73
Q

In what form does selected track appear on the PFD?

A

Index bug against the inside of the compass arc and in digits.

74
Q

When would the PFD display in Reversion Mode? How is the display affected?

A

a. For some display failures

b. The PFD with mini-map is cropped to fit within an MFD window (one half of a DU).

75
Q

Under certain failure conditions, what do the following PFD messages below the speed or altimeter tape indicate regarding the data being displayed?

a. AOA SPEED
b. ISFD SPEED
c. GPS ALT
d. ISFD ALT

A

a. A backup airspeed based on AOA and inertial data.
b. A backup airspeed based on single source data from the center pitot and center static ADMs.
c. A backup altitude based on data from GPS L or R.
d. A backup altitude based on single source data from the center static ADM.

76
Q

What are the two Navigation Display (ND) display modes?

A

MAP and PLAN modes

77
Q

How can the full compass rose be displayed, and for which ND modes is it available?

A

By pressing ND Center (CTR) switch on the EFIS Control Panel. MAP mode only.

78
Q

What is the difference between a normal-display ND and a full-display ND presentation?

A

A normal-display ND is shown on one half of a DU, a full-display ND is shown on an entire DU.

79
Q

In which ND display modes are the following available?

a. Ground speed.
b. Wind speed/direction.
c. Heading up display.
d. North up display.
e. Step-through capability

A

a. MAP & PLAN
b. MAP & PLAN (Wind arrow not displayed in PLAN)
c. MAP
d. PLAN
e. PLAN

80
Q

State the function of the following ND drop down menu selections:

a. VSD
b. APT
c. WPT
d. STA
e. POS
f. DATA

A

a. Selects the Vertical Situation Display (VSD) ND.
b. Displays airports on all ranges. >640 NM, APT = star field.
c. Displays waypoints + High/low alt Nav Aids
- ND 10, 20 or 40 NM range.
- High alt nav aids - 80, 160, 320, or 640 NM range.
d. For ranges greater than 640 NM, STA = star field.
e. IRS and GPS positions, VOR raw data radials extended from the nose of the airplane to the stations displayed on the NAV/RAD page.
f. The entered/procedural altitude and ETAs at each waypoint.

81
Q

In what ND display modes can the Airport Map be displayed?

A

MAP and PLAN.

82
Q

At what ND range will the Airport Map display?

A

5 NM or less.

83
Q

On which display can the cyan ADF pointers, frequencies and identifier information be displayed?

A

Mini-map only.

84
Q

In which ND display modes is the Vertical Situation Display (VSD) available?

A

MAP mode only.

85
Q

What does the area within the VSD Corridor indicate?

A

The area of the map that is shown on the VSD.

86
Q

What are the two VSD corridor modes displayed on the ND?

A

Track or Route modes

87
Q

The VSD range is a function of the ND range and is depicted on the horizontal reference scale. What VSD range is displayed when in the…

a. normal-display mode?
b. full-displaymode?

A

a. The same range as the ND except when the ND range is less than 5 NM.
b. Twice the range of the ND – from 10 NM to 2560 NM.

88
Q

How would you distinguish checklist steps that require crew confirmation (open loop), from steps which are automatically checked by system inputs (closed loop)?

A

Open loop steps display a grey box to the left of the line item

89
Q

Which colours are used for:

a. Incomplete checklist steps?
b. Completed steps?
c. Overridden or unnecessary steps?

A

a. White text.
b. Green text with a green check mark to the left.
c. Cyan (light blue).

90
Q

What happens if you select the ‘NORMAL’ prompt at the bottom left hand corner of the checklist screen?

A

Displays the next incomplete normal checklist.

91
Q

How would you access any operational notes that had accumulated from non-normal checklists viewed throughout the flight?

A

Through the NOTES key at the bottom of the checklist display.

92
Q

A non-normal checklist is accessed which contains deferred items. When all steps prior to the deferred items have been accomplished, will the checklist be complete

A

Yes; the message CHECKLIST COMPLETE EXCEPT DEFERRED ITEMS is displayed at the bottom of the page.


93
Q

A particular non-normal checklist has a countdown timer. If the checklist is left to complete another task, would the timer be reset?

A

No; the elapsed time would be displayed on return.

94
Q

What does the EICAS message ‘CHKL INCOMPLETE NORM’ signify?

A

Alerts the crew when a critical checklist is not completed before the next phase of flight begins.

95
Q

What do the following mean when displayed to the left of an EICAS message:-

a. A white icon?
b. No icon?

A

a . The checklist for the displayed message has not been accessed, or is not completed.
b. The checklist for the displayed message is complete, or, no checklist procedure exists for the displayed message, or, another message is displayed whose corresponding checklist inhibits display of the icon.

96
Q

What is the significance of a ‘CHKL NON-NORMAL’ EICAS message?

A

A non-normal checklist is in the queue with no associated EICAS message displayed, and the ECL is not displayed.


97
Q

What is an Unannunciated checklist?

A

A non-normal checklist which is not associated with a specific EICAS message (e.g. Fuel Jettison).

98
Q

How would you access an Unannunciated Checklist?

A

Through the NON-NORMAL menu at the top right of the checklist screen.

99
Q

What is the purpose of the PGUP and PGDN keys on the EFB?

A

They move the displayed information up or down when the material exceeds one display screen in length.

100
Q

What does pressing the XFR key accomplish?

A

Displays a view of the off-side EFB screen onto the on-side display.

101
Q

If a system FAULT, MEMO, and/or MSG indicator appears on the EFB screen, which EFB page should be accessed to gain more information regarding these messages?

A

SYSTEM page.

102
Q

What is accomplished when the CLOSE FLIGHT key is selected?

A

This “cleans up” the EFB application data, effectively deleting all flight-specific information from memory.

787 Technical Questions (20 decks)

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