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B787 > Flight Instruments > Flashcards

Flight Instruments Flashcards

1
Q

Is there an EFIS control backup?

A

Yes. Backup EFIS/DSP on the SYS page of the MFD

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2
Q

PFD/MFD selector?

A

Used to switch displays

Usually switching is automatic

PFD/MFD switch is backup

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3
Q

AIR DATA/ATT selector?

A

Backup data normally provided automatically

Switch provides backup of airspeed, altitude and attitude data

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4
Q

CCD?

A

Cursor Control Device

Touchpad

4 cursor location and cursor select switches

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5
Q

HEADING REF switch?

A

NORM - heading ref for instruments is magnetic north

Automatically changes to true north in vicinity of poles

TRUE - changes reference to true north under all conditions

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6
Q

EICAS switch?

A

EICAS transfer switch

Transfers EICAS display between captain’s and FO’s inboard DUs

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7
Q

Where does the ISFD receive it’s heading info from?

A

Same source as captain’s PFD

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8
Q

WAIT ATT or ATT:RST message in ISFD

A

Momentary out-of-limit condition sensed

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9
Q

How is ISFD initialized?

A

By turning battery switch on

90 seconds to initialize

WAIT ATT displays

If 6 minutes later not initialized, ATT:RST message

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10
Q

ATT RST switch?

A

Pushed and held for two seconds will align attitude horizon with the airplane symbol (takes 10 seconds)

On ground, will begin new initialization sequence

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11
Q

How many degrees of pitch will display the red arrows on the ISFD?

A

30 degrees

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12
Q

What is the lower half of the auxiliary display for?

A

Used to display uplinked messages

COMM system messages

Flight information messages

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13
Q

Elapsed time?

A

Reset to zero once v-speeds entered

Starts with weight off wheels

Ends with weight on wheels +30 seconds

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14
Q

ADRS?

A

Air Data Reference System

Primary Air Data
Secondary Air Data
Standby Air Data

6 air data modules
6 static ports
3 pitot probes
2 AOA vanes
1 TAT probe
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15
Q

What do air data modules do?

A

Convert air data information into digital output for use by various aircraft systems

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16
Q

Where does ADRS receive TAT information from?

A

In addition to the TAT probe on the forward left fuselage, each EEC sends TAT measurements, for a total of 6 ADRS TAT inputs

On ground, at less than 50 knots ADRS uses CAC inlet data, uses lower of 2 inlet temps

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17
Q

What does the bottom of the amber airspeed bar indicate?

A

Maximum maneuvering speed, or 1.3g to high speed buffet.

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18
Q

What does the top of the amber band on the airspeed indicator represent?

A

Minimum maneuvering airspeed

Below 20,000 feet
1.3g capability to stick shaker

Above 20,000 feet
1.3g capability to low speed buffet

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19
Q

What does the altitude trend vector indicate?

A

Altitude in six seconds, based on current vertical speed

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20
Q

Landing altitude reference bar?

A

Displays white 500 to 1,000 feet above touchdown

Displays amber 500 to touchdown altitude

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21
Q

Landing altitude indication?

A

FMC landing altitude for destination runway,
or the landing altitude for departure runway until 400 nm from departure or one-half distance to destination, whichever first

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22
Q

When is vertical speed displayed digitally?

A

When vertical speed is greater than 400 ft/min

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23
Q

When are the FPV/FPA switches displayed in bright mode vs. dim mode?

A

They are displayed in bright when EFIS FPV switch on, or MCP FPA switch on, and flight directors are OFF

Dim when all the above but the FDs are ON

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24
Q

When does heading scale show on the PFD attitude area?

A

When EFIS FPV or MCP FPA selected and current bank angle less than 50 degrees and absolute pitch angle less than 20 degrees

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25
Q

What does it mean when the white navigation performance bars meet in the middle?

A

If ANP equals or exceeds RNP

After 5 seconds, the bars and scale turn amber, indication RNP operations can no longer be maintained

NAV UNABLE RNP (lateral nav only)

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26
Q

How much deviation does a rectangle on the expanded localizer scale indicate?

A

One half dot deviation

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27
Q

What is IAN?

A

Integrated Approach Navigation

Uses ILS-like procedures for non-precision approaches

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28
Q

Which warnings will display in red on the PFD (under attitude display)?

A

Alerts for:

ENGINE FAIL

GPWS

PWS

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29
Q

How do you turn on the HUD?

A

Pushing down on the combiner until it snaps I to the down position

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30
Q

ALIGN HUD

A

The combiner is not aligned with the projector. Removed by ensuring the combiner is positioned at the stop

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31
Q

HUD breakaway position?

A

Combiner rotates for ward and locks if sudden and sustained deceleration, preventing head injury

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32
Q

HUD symbology control switch?

A

Switch on yoke by electric trim, alternates between full and decluttered modes

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33
Q

Where are the pitch up/pitch down chevrons located on the HUD?

A

Pitch up on the -20 degree line

Pitch down on the +30 degree line

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34
Q

When is the Unusual Attitude symbology displayed on the HUD?

A

When pitch angle exceeds -20 degrees or +35 degrees

If roll exceeds 55 degrees

It remains until pitch angle between -5 and +10 degrees for 5 seconds

And roll angle is less than 10 degrees for 5 seconds

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35
Q

HUD Zenith symbol?

A

Asterisk type symbol

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36
Q

HUD Nadir symbol?

A

Circle-type symbol with a line segment pointing up

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37
Q

What is the horizontal line depicted on the HUD when in TOGA mode?

A

Target attitude for TOGA

Placing the aircraft symbol on this line will comply with the command

Symbol will become visible at 65 kts during takeoff

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38
Q

HUD: What is the angle of the Flight Path Vector Symbol’s wing roots?

Why?

A

30 degrees

So in a 30 degree bank, the upward wing’s root is parallel with the horizon and pitch scale lines

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39
Q

Is there a priority for symbology display on the HUD?

A

Yes. The FPV symbol takes priority over all other symbols, other than the guidance cue. Nothing else will appear within the FPV circle.

It may be limited laterally by speed tape of altitude tape, and would be dashed and not indicate actual lateral drift

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40
Q

HUD: When is the guidance cue available?

When does it appear on takeoff?

What happens in the event of windshear alert?

A

It is available when the FD is selected on

It appears at 50 feet RA on takeoff

It changes from hollow to filled in the event of a windshear alert

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41
Q

HUD: What does the AOA limit symbol look like?

What is it referenced to?

What does the distance between the AOA symbol and the FPV indicate?

A

It looks like a line segment with hanging boxes on either end

It is referenced to the FPV

The distance represents the margin available to stick shaker

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42
Q

HUD: When is the AOA limit symbol displayed?

A

AOA is within 5 degrees of stick shaker

Stick shaker is active

OR

The windshear solid guidance cue is displayed

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43
Q

HUD: When is the FPV-referenced slip/skid indicator displayed?

What is its purpose?

A

Only during takeoff or go-around

It provides additional yaw reference in case of engine failure

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44
Q

Describe the TCAS display in the HUD?

A

The HUD displays a “fly-to” box that the FPV should be contained in

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45
Q

HUD: Flight path acceleration symbol?

When is it removed from the display?

A

If the symbol is above the wing of the FPV, the aircraft is accelerating

Below, it is decelerating

It is removed during a decreasing-performance windshear alert below 400 AGL

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46
Q

On the HUD, what does the speed error tape display?

When does it display?

A

The difference between the indicated speed and the selected speed

At first flap retraction

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47
Q

On the HUD, what is the symbology if the current airspeed is faster than selected airspeed?

If it is slower?

A

A bar extends upward from the FPV wing

A bar extends downward from the FPV wing

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48
Q

HUD: What does the glideslope/glidepath reference line look like?

When is it shown?

When is it removed?

A

It is a dashed horizontal line

It is shown when Vref is selected

It is removed at 70 feet RA

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49
Q

HUD: In which mode does the runway symbol appear?

When is it removed?

What are the tick marks?

A

Only in decluttered mode

At 60 feet RA

Touchdown aiming point

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50
Q

HUD: Describe ground deceleration rate scale

When is it displayed?

A

A vertical indexed scale and pointer indicating actual deceleration rate

On landing or on takeoff when deceleration is sensed above 50 knots

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51
Q

How is the MAP mode oriented?

A

Track up

52
Q

How are Map keys selected?

A

Using EFIS control panel

CCD

MFD cursor control selector

53
Q

How is PLAN mode referenced?

A

True North up

54
Q

What supplies the TRACK information on the ND?

A

Normally supplied by the FMC

In alternate navigation it is supplied by the IRS

55
Q

Where is the mini map display?

Can it display TCAS?

Can it display radar?

A

On the bottom of the PFD

Yes

Yes

56
Q

When does the airport map display on the ND?

A

Automatically when

57
Q

What is VSD?

A

Vertical Situation Display

58
Q

What are the cyan dashed lines on the ND map display?

A

The VSD Corridor, the area mapped by the VSD

Follows the route, not just a straight look -ahead

59
Q

What is the green dashed line in the VSD profile view?

A

The selected BARO minimums

60
Q

What are colors used for on ND display?

White?

Green?

Magenta?

Cyan?

Amber?

Red?

A

White is used for present status and range scales

Green is used for dynamic conditions

Magenta is used for command info, pointers, symbols and fly-to symbols

Cyan is non-active or background info

Amber is used for cautions, faults or flags

Red is used for warnings

61
Q

Is the electronic checklist required for dispatch?

A

No

So a paper checklist or other approved alternate must be available on the flight deck

62
Q

How is the electronic checklist opened?

A

Using the CHKL switch on the DSP

63
Q

The checklist priority system uses what inputs to determine what checklist is displayed?

A

Air/Ground logic

Fuel control switch

Start selector position

EICAS message level

64
Q

On ground with both FUEL CONTROL switches in CUTOFF, and both engine start selectors in NORM, what is the checklist priority?

A

EICAS warning messages

Incomplete/Unopened NORMAL checklists

65
Q

On ground with one or both fuel control switches in RUN, one or more start selectors in NORM, or in the air, what is the checklist priority?

A

EICAS alert messages with icons

Incomplete unannunciated checklists

NORMAL checklists

66
Q

What are the three types of checklists?

A

Normal

Non-normal annunciated

Non-normal unannunciated

67
Q

How do you select the next NORMAL checklist?

A

Pressing the CHKL switch twice

OR

Selecting the NORMAL key on the MFD

68
Q

What does a checklist white line item indicate?

A

Incomplete line item

69
Q

What is a checklist green line item?

A

An item that has been completed

with a green complete indicator

70
Q

What does a cyan checklist line item indicate?

A

Overridden and inactive line item

71
Q

Two types of action items:

A

Closed loop

And

Open loop

72
Q

What is a closed loop checklist item?

A

Airplane automatically determines switch, lever, or selector position, etc.

Once the selector is in the correct position, the airplane marks the item complete and the current line item box moves on to the next open item

73
Q

What is an open loop checklist item?

A

Not monitored by the aircraft. The crew must manually confirm completion with the CCD

74
Q

Operational notes?

A

Should be read, but action is not required

Once non-normal checklist with operational notes is opened, can access operational notes for the rest of the flight (on the operational notes page)

75
Q

Selecting YES on an open loop conditional item:

A

The line item below the co sit-up also line item becomes active

76
Q

Selecting NO on an open loop conditional line item:

A

The line items indented below the conditional line item become inactive and change color to cyan

77
Q

Are YES-NO choices a one-time only choice?

A

No. They remain active and can be revisited at any time

78
Q

How does a closed loop conditional line item work?

A

Choice is made automatically by the aircraft

If true, line item and indented items change to green

If false, line item and indented items change to cyan

79
Q

Should the crew do the checklist for the primary message or for the consequential message?

A

Primary message

80
Q

RESETS page?

A

Intended for ground use only

If used in flight, will require the crew to start the checklists over

81
Q

CHKL INCOMPLETE NORM EICAS

A

Critical line items in a checklist are not complete before the corresponding phase of flight

82
Q

CHKL NON-NORMAL EICAS

A

There is a non-normal checklist in the queue, despite no EICAS message

83
Q

CHECKLIST NOT AVAIL?

A

System inoperative

84
Q

CHECKLIST DISABLED?

A

System has been disabled by maintenance

85
Q

CHKL RESET key?

A

Used to restart a partially or fully completed checklist

All action and conditional items become incomplete

86
Q

PWR switch on EFB?

A

Only turns the display backlight on or off

87
Q

XFR on EFB?

A

View of off-side EFB screen displayed

XFR (green) displayed

Second push returns on-side display

88
Q

What keys on the EFB are enabled while in XFR mode

A

Only XFR and MENU keys

89
Q

Selectable range for the ND map?

A

0.5 nm to 1,280 nm

90
Q

Where do WXR TFC TERR selections from the EFIS control Panel display?

A

Both the ND and the mini-map display

91
Q

Where are the Instrument Source Select Panels located?

A

They’re located on the forward panel, outboard of the PFDs

92
Q

AIR DATA/ATT switch in AUTO?

A

ADRS provides air data to the PFD and HUD

Backup airspeed, altitude and attitude provided as required (by AOA, inertial data, GPS, IRS and ISFD)

93
Q

AIR DATA/ATT switch in ALTN?

A

Backup airspeed, altitude and attitude displayed on PFD and HUD

94
Q

What are DSPs, where are they found and what do they do?

A

Display Select Panels

Located on glare shield on respective sides

Provide control of MFDs for the on-side Inboard DU

95
Q

Overhead light on the DSP?

A

Indicates which side of DU displays MFD

96
Q

EICAS switch on DSP?

A

Transfers EICAS format between Captain and FO DUs

97
Q

ENG switch on DSP?

A

Displays secondary engine indications on MFD

98
Q

CANC/RCL switch on DSP?

A

Handles EICAS messages

99
Q

What are the MFKs and where are they located?

A

Multifunction Keypad

Either side of the lower display unit

100
Q

What displays do the CCDs access?

A

Only the MFDs and the EFBs

101
Q

CCD cursor select switch?

A

Buttons on either side of CCD

Equivalent of a mouse button

102
Q

What are the backup sources for airspeed?

A

AOA SPD/ Inertial data

ISFD source

103
Q

What are the backup sources for the barometric altitude?

A

GPS altitude

ISFD Altitude

104
Q

Are the amber band indications and Mach indication displayed when AOA SPD or ISFD SPD is displayed?

A

No

105
Q

Can GPS derived altitudes be used to maintain ATC assigned altitudes?

A

No

106
Q

In general on the EFIS displays, what do flags indicate?

What do dashes or removed displays indicate?

A

Flags are displayed for system failures or invalid information

Removed indications or dashes indicate when source information is not available

107
Q

Path of GPS information stream

A

GPS transmitter

GPS receivers (2)

IRS

FMC

108
Q

If the IRS becomes inoperative, where does the FMC get its position data?

A

Directly from the GPS receivers

109
Q

If the IRS becomes inoperative and the FMC uses GPS information, what EICAS displays?

A

None

110
Q

GPS EICAS?

A

Both GPS systems have failed

111
Q

When should GPS updates not be used for an approach?

A

When a specific state requires the use of other provisions in their airspace (other than WGS-84 compliant)

112
Q

ISFD inputs?

A

Center pitot static system

Altitude, attitude and airspeed are independent of IRU and AHRU values

113
Q

Horn in wheel well?

A

IRS is on battery power

114
Q

If dashes in the REF AIRPORT and SET INERTIAL POS lines on the POS INIT page?

If boxes instead of dashes?

A

GPS position is being provided for IRS alignment

Boxes indicate input required

115
Q

How long does IRS alignment take?

A

7-10 minutes at low latitudes

17 minutes at high latitudes

116
Q

ENTER INERTIAL POSITION message?

A

Lat/long entered by crew does not compute

117
Q

ALIGNMENT REINITIATED message?

A

Present position entry failed twice

118
Q

Automatic realign mode?

A

If aircraft stops for an extended period, automatically realigns until moves again

Velocity and acceleration errors are reset to 0

119
Q

If inflight loss of power or inadvertent shutdown, can IRUs be recovered?

A

Yes, fully recovered if GPS is available

Attitude info available within seconds

Full navigation ability within approx. 10 mins

120
Q

NAV INERTIAL SYS EICAS?

A

IRS has failed, both IRUs and AHRUs

GPS can supply position and track data

VNAV and LNAV not available to the autopilot however

121
Q

Inoperative AFDS modes after IRS failure?

A 
FPA
G/S
LNAV
VNAV
LOC
TO/GA
TRK HOLD/SEL
HDG HOLD/SEL*

*operative when mag compass hdg entered on POS INIT page

122
Q

Inoperative PFD and ND functions after IRS failure?

A

FMC performance predictions

FMC VNAV pages

ND wind arrow

PFD Heading*

*available when mag compass hdg entered on POS INIT page

123
Q

What are the two conditions for ILS auto tuning to occur?

A

Approach must have been selected to the active route

AND

Airplane must be within 50 nm from TOD
OR
150nm from landing runway
OR
FMC in Descent Mode
124
Q

When is ILS autotuning inhibited?

A

For 10 minutes after takeoff to prevent clutter on PFD

125
Q

How do you override the takeoff inhibition of ILS autotuning?

A

Sleek ruin and execution of new approach in the active flight plan

126
Q

ATC conditional clearance point?

A

Displayed in MAP, MAP CTR and PLAN modes

Indicates the FMC calculated map position where the aircraft should comply with an ATC conditional clearance

B787 (22 decks)

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