EFIS Flashcards

1
Q

Which DU is the default for the EICAS?

A

DU2=MFD1

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2
Q

what controls each PFD?

A

the respective Primary flight display control panel (PFDCP)

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3
Q

where are course and heading controlled from?

A

course/heading control panel (CHP)

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4
Q

where are altitude and speed selections controlled from?

A

reference select panel (RSP)

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5
Q

what is the only way to remove the EICAS from the instrument panel?

A

DISPLAY REVERT button on the PFDCP

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6
Q

if only 2 DU’s are working, what will be displayed?

A

one will show the combined PFD map, the other will show EICAS

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7
Q

If only 2 DU are working, when is the only time the EICAS won’t be shown?

A

when traffic is announced by the TCAS system and the TFC button on the MFDCP is pressed

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8
Q

what protects the EFIS system?

A

essential bus and bus 2

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9
Q

what are the 3 kinds of built in test?

A
  1. power-up BIT
  2. continuous BIT
  3. initiated BIT
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10
Q

what will. a CBIT do with faults it detects?

A

it will display safety critical faults and log non critical faults to be reported at the next scheduled maintenance check

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11
Q

when will an IBIT be disabled?

A

in flight

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12
Q

what will pushing the test button on the PFD display?

A

all possible information and warning fields of the display and red crosses over the airspeed and altitude fields

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13
Q

what will pushing the test button on the MFD display?

A

shows the existing EICAS colours in 4 boxes

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14
Q

what does pushing the test and - buttons simultaneously on the MFD used as EICAS display?

A

EICAS text format page

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15
Q

what will show on the EICAS text format page if EIU units are different?

A

MISCOMPARE triangle

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16
Q

what does it mean if the rate of turn indicator needle is parked at the outermost marking?

A

the turn is exceeding 4 degrees per second

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17
Q

when will airspeed indications appear in red?

A

when overspeeding (223ias)

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18
Q

when will each v-speeds discrete output become active?

A

when current speed is below the v speed

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19
Q

what does the black and white low speed awareness band cover when V2 is not set?

A

top: Vswarn
bottom: tape limit

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20
Q

when will the low speed awareness warning transition to climb-cruise-descent mode?

A

V2+50

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21
Q

in climb-cruise-descent what does the low speed awareness band cover?

A

top: Vswarn (70)
bottom: tape limit

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22
Q

when do the V speed bugs declutter?

A

V2+50

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23
Q

how is Vswarn OFFSET defined?

A

9 knots

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24
Q

when will the landing mode of low speed awareness be enabled?

A

when aircraft has slowed to Vswarn+Vswarn offset

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25
Q

what does the slow speed band cover in the landing mode?

A

top: configurable percentage of V2
bottom: tape limit

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26
Q

what can the slow speed band never be adjusted above?

A

configured value of Vswarn used in the climb-cruise-descent mode of operation

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27
Q

when will no mach value display?

A

below 0.2m

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28
Q

when is the FMS heading bug displayed?

A

when FMS is the primary nav source and in FMS heading mode

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29
Q

when will the FMS and selected heading bugs synchronise?

A

when they are within 2 degrees of each other for longer than 4 seconds

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30
Q

what speeds can be bugged?

A

v1, v2, v2 and Vref

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31
Q

what will the Vsi show if Vs exceeds 6000fpm?

A

will park at the 6000fpm mark and numerical indication will continue to indicate to 9999fpm

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32
Q

what is the altitude tape display range?

A

95,000 to -2000ft

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33
Q

how do we set the baro in the barometric setting window?

A

baro set minimus knob on PFDCP

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34
Q

how can we set standard using PFDCP?

A

push the PUSH STD knob for 2 seconds

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35
Q

when will the barber pole RADALT indication disappear from the speed tape?

A

more than 1000ft agl

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36
Q

when will the RADALT numerical indication display?

A

when RADALT is in range, typically 2500ft

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37
Q

how do we set barometric minimums?

A

press RA/DA twice and turn the knob

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38
Q

when setting barometric minima what will a push on the PUSH SEL button do?

A

allow changing of the minima in single ft steps

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39
Q

when will the DA numerals change to amber?

A

when radio altitude is equal to or less than the selected DA. (returning to white upon landing or go around)

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40
Q

how do we set RA minimums?

A

by pressing RA/DA once and turning the knob

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41
Q

can RA and DA minimums be shown simultaneously?

A

no

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42
Q

what kind of heading is shown?

A

magnetic heading

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43
Q

what does the arrow on the heading bug show?

A

the shortest direction to selected heading when bug is not on selected heading

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44
Q

what indicates to us the FD is engaged?

A

red boxed FD on the PFD, but commands are not transferred to the AP if the computer has detected an internal fault.

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45
Q

where are the lateral mode annunciators on the PFD?

A

upper left corner of the display

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46
Q

where are the vertical mode annunciators on the PFD?

A

upper right corner of the display

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47
Q

what colours are the lateral and vertical annunciators?

A

magenta when engaged white when armed

48
Q

what does the ATT warning mean?

A

AHRS has failed or provides no attitude information

49
Q

what does the TRIM warning mean?

A

autopilot trim is not able to reach demanded position

50
Q

what does the FD warning mean?

A

FD/autopilot computer detects an internal fault

51
Q

what does the XBUS caution mean?

A

data between PFD 1 and 2 is invalid or data between MFD 1 and 2 is invalid

52
Q

what does the DCU caution mean?

A

data bus of the DCU to the concerned DU has failed or is not powered

53
Q

what does the OBUS caution mean?

A

data between pfd/mfd 1 is invalid or data between pfd/mfd 2 is invalid

54
Q

when will we get an ATT COMP caution?

A

pitch and roll condition exists for more than 1 second

55
Q

when will we get a PITCH COMP caution?

A

condition exists for greater than 1 second

56
Q

when will we get a HDG COMP caution?

A

6 degrees+ 1/2 roll angle value exists for greater than 1 second

57
Q

when will we get a ROLL COMP caution?

A

condition exists for greater than 1 second

58
Q

when will we get a RALT COMP caution?

A

altitude difference of more than 40ft exists for more than 1 second

59
Q

when will we get an ALT COMP caution?

A

baro altitude difference of greater than 300ft exists for more than 5 seconds

60
Q

when will we get an ASPD COMP caution?

A

airspeed difference of more than 10 knots exists for 5 seconds or more

61
Q

how do we acknowledge COMP cautions?

A

ALERT CANCEL button on RSP

62
Q

what is the RANGE/OPTIONS knob used for?

A

selecting PFD menus, formats and display options.

also controls range of the applicable display

63
Q

what are the 7 display formats?

A
  1. NORMAL
  2. COMP
  3. 360 MAP
  4. COMP 360 HSI
  5. COMP ARC MAP
  6. COMP ARC HSI
64
Q

what is the only mode that TCAS can be selected in?

A

map view mode

65
Q

what is the only mode in which WX radar and TAWS can be set up on the MFD?

A

map view mode

66
Q

what is the transition level set to?

A

18000ft

67
Q

what will the display revert button do?

A

will force the onside MFD to display a 360 degree HSI presentation

pushing it a second time will return the MFD to normal MFD function

68
Q

what does the NAV/BRG source knob do?

A

allows the pilot to select and change the primary and secondary navigation and bearing sources

69
Q

what will the ATT/HDG revert button do?

A

selects the cross side source of the AHRS.

70
Q

what does the ADC revert button do?

A

allows selection of the cross side ADC

71
Q

what does the SRC XFER button do?

A

used to swap primary and secondary navigation sources

72
Q

what does the WX button on the captains PFDCP allow?

A

selection of weather radar display on PFD1 with map view selected

73
Q

what does the TFC button on the captains side allow?

A

allows selection of the TCAS on PFD1 with map view selected

toggles on and off

74
Q

when will we get an altitude deviation chime?

A

when we deviate more than 200ft from selected altitude

75
Q

how do we disable a speed target setting?

A

push the PUSH SEL button to place the desired value in the selection window and hold the PUSH SEL until OFF is displayed in the selection window

76
Q

what is the range options knob on the MFDCP used for?

A

controlling map ranges on the MFD and activating menus for selection of alternate display formats

77
Q

what does pushing the PUSH SEL button in the RANGE/OPTION knob do?

A

activates the drop down menu with magenta cursor

78
Q

what does the TFC button on the MFD control panel do?

A

allows selection of a TCAS display

79
Q

when can the TCAS display be selected?

A

only with a map view selected and can be overlayed over Wx displays

80
Q

what does the TERR button on the MFDCP do?

A

selects a TAWS display on the corresponding MFD

81
Q

what will the WX button on the MFD do?

A

allows selection of the weather radar on the respective MFD.

82
Q

what are the 2 functions of the Wx tilt/mode knob?

A
  1. changing the Wx radar antenna tilt
  2. selecting modes of the Wx radar

different modes are selected by pushing the PUSH SELECT button

83
Q

what is the range of wx radar tilt?

A

15 degrees up 15 degrees down

84
Q

what are the 6 WX radar modes?

A
  1. STBY
  2. RDR OFF
  3. WX
  4. GND MAP
  5. WXA
  6. TEST
85
Q

what colour will info be displayed in inside the flight plan status data block if no FMS is selected as primary nav source?

A

grey

86
Q

what does the TIME/TEMP data block display?

A
  • UTC
  • ETA
  • TAT/SAT
  • ISA temp deviation
87
Q

where is TIME/TEMP data block temperature information sourced from?

A

air data computer

88
Q

what does the INTEG annunciator on the MFD mean?

A

GPS integrity alert has been generated by the FMS

89
Q

what does the MSG annunciator on the MFD mean?

A

FMS message

90
Q

what does the POS annunciator on the MFD mean?

A

FMS position uncertain alert has been generated

91
Q

what will the TAS and/or GS indicate if ADC data is invalid?

A

white dashes

92
Q

what is the primary bearing pointer on the MFD displaying if green?

A

on-side SRN

93
Q

what is the primary bearing pointer displaying if white?

A

on-side LRN

94
Q

what are the 4 taws warnings?

A
  • PULL UP
  • TERRAIN
  • GLIDESLOPE
  • DON’T SINK
95
Q

what will a TCAS alert cause the MFD to display if TCAS isn’t selected as a display?

A

TCAS with range ring set to 5nm

96
Q

when is the only time TCAS selection with one MFD is possible?

A

resolution advisory

97
Q

what screen shows the EICAS as default?

A

MFD 1

98
Q

how many CAS messages can be displayed at the same time?

A

9

99
Q

what are the 3 levels of CAS?

A

warning, caution and status

100
Q

what does the DCU do?

A

collects navigational and aircraft data and processes it to fulfil the requirement for digital data lines

101
Q

what is the main task of the DCU?

A

to process and pass the data for the FDR

102
Q

what processes flight director commands?

A

the DCU which then passes them to the autopilot

103
Q

when will we get an amber MAINTENANCE SWITCH annunciation?

A

when the weight on wheels logic switch on the RH avionics rack is set to GEAR UP or INV

104
Q

what does a cyan CAWS power fail annunciation mean?

A

single power failure of the CAWS computer

105
Q

when will we get a cyan VHF1 HOT ACTIVE message?

A

with both avionics and VHF1 HOT switches on

106
Q

what does an amber cross over the CAS message field indicate?

A

total failure of CAWS computer

107
Q

what must we ensure we do when we remove headsets?

A

SPKR LED on the ACU is on, in order to be able to listen to acoustical warnings

108
Q

what annunciations are not mutable?

A
  • TCAS fail
  • TAWS fail
  • stall warning
  • overspeed
  • altitude alert
109
Q

what is the FLAP OVRD button on the annunciator panel for?

A

simulates flaps to the TAWS when not in a land flap config

110
Q

what is the LRN button for?

A

provided to select long range navigation for the autopilot operation

111
Q

where are the OAT sensors?

A

behind the nosewheel

112
Q

what do the 2 EIU’s do?

A

collect all engine data and some system data and to transfer it to the EICAS

113
Q

is there an automatic EIU switchover in the event of a failure?

A

no, we must switch over manually

114
Q

how many BUS failure annunciations can be shown at once?

A

1

115
Q

when will we get an EIU BUS FAIL message?

A

if the EIU bus fails to the MFD not showing EICAS