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FCOM NG System Description > 10. Flight Instruments, Displays > Flashcards

10. Flight Instruments, Displays Flashcards

1
Q

Speed Trend Vector

A

Tip of the arrow indicates predicted airspeed in the next 10s

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2
Q

Low Speed Alerts

A

When current airspeed decreases into the minimum maneuver speed amber bar:
- Airspeed readout box turns amber and flashes for 10s,
- Voice alert annunciate “Airspeed Low, Airspeed Low” once,
- Box returns to white when current airspeed is above minimum maneuver speed

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2
Q

Current Airspeed Display

A

Indicates current CAS when above 45KT

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3
Q

Maximum Maneuver Speed

A

When Flaps are up, the bottom of the amber bar:
- Provides 1.3g maneuver capability to high speed buffet,
- 1.3g occurs at 40 degrees of bank in level flight

When Flaps are extended, the bottom of the amber bar:
- Indicates the placard speed for the next normal Flap setting,
- Normal Flap Setting: 1, 5, 15, 30, 40,
- The bar is removed when Flap Lever moved to landing flaps (CDU) or 40,
- Also removed with any Flap retraction

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4
Q

Current Mach Number

A

Displays when airspeed is 0.40 Mach and above

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5
Q

Bug 5

A
  • Displayed if reference selector on the engine display control panel is in the Bug 5 or SET position and,
  • A value greater than 60KT has been selected
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6
Q

Flap Maneuvering Speeds

A
  • Displayed after Gross Weight is entered (via CDU or Speed Reference Selector),
  • When V2 + 15 Bug is displayed for T/O, current Flap Maneuvering Speed Bug not displayed (except Flaps 1),
  • Numbered Bugs are removed when Flap Lever is 30 or 40,
  • Flap Bugs inhibited when below Vref + 4KT
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7
Q

V2 + 15 Bug Disappears When

A
  • First Flap retraction,
  • When Vref is entered in the CDU
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8
Q

Takeoff Reference Speeds

A
  • V1 and Vr displayed for T/O when speed is greater than 80KT,
  • Amber NO VSPD displayed on the ground when V1 and Vr not selected or set,
  • Removed at lift-off,
  • V1 Speed is displayed at the top of airspeed when selected and value is off scale
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9
Q

Minimum Maneuver Speed

A
  • Displayed with the first Flap retraction after T/O or when Vref is entered,
  • Top of the amber bar provides 1.3g maneuver capability to stick shaker or low speed buffet (>20000FT)
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10
Q

Vref + 20 Bug

A

White and displayed when Vref is selected

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11
Q

PLI

A
  • Pitch Limit Indicator,
  • Displayed at slow speeds with Flaps Up or,
  • Flaps extended
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12
Q

Slip/Skid Indicator Amber

A

Indicates:
- When bank angle is > 35 or,
- Full scale deflection

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13
Q

Scale ID Annunciation

A
  • Displayed above the left corner of ADI (Approach Reference Position),
  • Part of the Navigation Performance Scales Indications,
  • Indicates the source of displayed deviation for each scale,
  • Displayed when: LNAV, VNAV, HDG SEL or TOGA are engaged
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14
Q

Anticipation Cues

A
  • Displayed if valid approach course deviation information being received,
  • While corresponding NPS deviation scale and pointer are displayed,
  • An unfilled white diamond
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15
Q

Expanded Localizer Scale

A
  • Displayed when the A/P or F/D is in LOC mode and,
  • Deviation is slightly more than 1/2 dot and,
  • Track is within 5 degrees of MCP selected course,
  • A Rectangle equals 1/2 dot deviation,
  • Reverts to standard scale when out of LOC mode and GS < 30KT or RA > 200FT
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16
Q

Localizer Deviation Scale Cautions

A

The scale turns amber and pointer flashes:
- For an excessive Localizer deviation at low RA with A/P engaged,
- If Localizer is not captured when below 1000AGL with LNAV engaged and LOC armed

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17
Q

Glideslope Deviation Scale Cautions

A
  • For an excessive Glideslope deviation at low RA with A/P engaged,
  • The scale turns amber and pointer flashes,
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18
Q

Rising Runway

A

Rises towards airplane symbol when RA < 200FT

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19
Q

Radio Altitude Indicator

A
  • Digital display from 2500 to 1000FT AGL,
  • Box is highlighted in white for 10s when descending through 2500FT AGL,
  • Round dial displays below 1000FT AGL,
  • Perimeter and pointer turns amber and flashes 3s when below RA Minimums (numeric does not)
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20
Q

Current Altitude Green Crosshatch Symbol

A
  • For positive values of altitude below 10000FT,
  • Negative sign appears when altitude below 0FT is displayed
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21
Q

Landing Altitude Indication

A
  • Shows Departure Runway until 400NM or,
  • 1/2 of distance to destination whichever occurs first
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22
Q

Barometric Minimums Reference Colors

A
  • Turns amber and flashes for 3s when descending below minimum altitude,
  • Changes back to green during go-around when passing + 75FT of selected minimum or,
  • At touchdown
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23
Q

Vertical Speed Minimum Digital Readout Value

A

> 400FPM

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24
Q

PITCH and ROLL Flags

A
  • CPT and F/Os values differ more than 5 degrees,
  • Flash for 10s then remain steady
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25
Q

AOA DISAGREE Flag

A
  • CPT and F/Os values differ more than 10 degrees for more than 10s,
  • Active above 400FT RA,
  • If shown when descending 400FT RA, the alert remains until landing
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26
Q

CDS MAINT

A
  • A dispatchable CDS fault has occured,
  • Displayed on the ground only,
  • Prior to start of the second engine
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27
Q

CDS FAULT

A
  • A non-dispatchable CDS fault has occured,
  • Displayed on the ground only,
  • Prior to start of the second engine
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28
Q

DSPLY SOURCE 1 / 2

A

DEU 1 / 2 failed and:
- If above FL220, A/P and F/Ds are not affected,
- If below FL220 during climb or descent with the failed side A/P engaged:
1-) F/D pitch command bar is removed from both displays,
2-) F/D pitch command bars reappears at ALT ACQ,
3-) A/P engages in CWS P,
4-) LVL CHG, VNAV and V/S are not available with the failed side A/P

  • If below FL220 during level flight with the failed side A/P engaged:
    1-) Climb or descent to a new altitude is only possible in CWS P,
    2-) Initial climb or descent to a new MCP altitude is not possible in LVL CHG, VNAV or V/S with A/P engaged
  • If DEU fails in the approach mode:
    1-) Above 400FT with both F/Ds ON, F/D pitch and roll command bars are removed from the failed side,
    2-) Prior engaging the 2nd A/P, engagement of the 2nd A/P is inhibited
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29
Q

DISPLAYS CONTROL PANEL

A
  • Indicates a failed EFIS Control Panel on the affected side,
  • Altitude information is removed
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30
Q

INSTR SWITCH

A
  • Indicates both CPT and F/Os displays are using same source of IRU data,
  • Displayed when IRS switch is not in NORMAL
31
Q

IAS DISAGREE

A

CPT and F/Os values differ more than 5KT for more than 5 continuos seconds

32
Q

ALT DISAGREE

A

CPT and F/Os values differ more than 200FT for more than 5 continuos seconds

33
Q

VSD Approach Glidepath Angle Line

A
  • Extends 10NM,
  • Anchored to the MAPt not the RWY,
  • Manual altitude corrections do not change displayed G/P
34
Q

RTSD

A
  • Range to Target Speed Dot,
  • Shows where the airplane will achieve FMS or MCP target speed,
  • Dot blanked within 5KT of target speed,
  • Dot reappears if speed increases 10KT or more than target speed,
  • Replaced with an unfilled dot at vector end if target speed will not be achieved within the length
35
Q

VSD 3 Degrees Reference Line

A
  • Displayed for approaches that do not have a designated approach angle,
  • Extends 10NM,
  • Anchored to the RWY threshold
36
Q

VSD Terrain Profile Line Colors

A
  • Same colors and values as GPWS,
  • Green: Terrain more than 500FT (250FT for Gear Down) below the airplane,
  • Amber: Terrain ranges from 500FT (250FT for Gear Down) below to 2000FT above the airplane,
  • Red: Terrain is 2000FT above the airplane
37
Q

RAAS “FLAPS” Caution

A
  • Shown on the ND as amber “FLAPS”,
  • Flap handle not within the valid T/O Flap setting and,
  • Aircraft enters a RWY and,
  • Aircraft HDG is within 20 degrees of the RWY HDG
38
Q

RAAS “ON TAXIWAY” Caution

A
  • Shown on the ND as amber “ON TAXIWAY” each time,
  • Groundspeed > 40KT and,
  • Aircraft is not aligned with a RWY
39
Q

RAAS “UNSTABLE” Caution

A
  • Shown on the ND as amber “UNSTABLE” each time,
  • Between 450 and 300FT AAL and,
  • Any of the Landing Flap, Excessive Approach Angle/Speed Monitor triggers
40
Q

RAAS “TAXIWAY” Caution

A
  • Shown on the ND as amber “TAXIWAY” each time,
  • Airborne and between 150-250FT RA and,
  • Climb rate is < 450FPM and,
  • Within 5NM of a RWY and not lined-up with a RWY
41
Q

RAAS “LONG LANDING” Caution

A
  • Shown on the ND as amber “LONG LANDING” each time,
  • Within 100FT AGL and,
  • Passed 33% RWY distance and,
  • Airborne above 5FT AGL or weight on wheels is false
42
Q

RAAS Status Messages on ND

A
  • RAAS-OK-M (Green): Enabled, functioning, good position information and at validated airport. Meters used,
  • RAAS-N/AVLB (Amber): Enabled but the accuracy is temporarily insufficient to function,
  • RAAS-NA-XXXX (Amber): Enabled but present airport (XXXX) is not in the database,
  • RAAS-INOP (Amber): Enabled but one or more of the RAAS functions is inoperative,
  • RAAS-INH (Amber): Enabled but all functions inhibited due to activation of P3-7 RUNWAY INHIBIT switch,
  • RAAS-RTO (Green): Enabled and functioning but advisories are temporarily inhibited due to RTO
43
Q

Weather Radar Flags

A
  • Shown on the left side of ND,
  • WXR WEAK: Calibration fault,
  • WXR ATT: Attitude stabilization for antenna has been lost,
  • WXR STAB: Antenna stabilization is off,
  • WXR DSP: Range data input has failed. Only displayed in WXR TEST
44
Q

STA on EFIS

A
  • Displays all FMC data base NAVAIDS up to the range of 40NM,
  • Above 40NM range shows only high level NAVAIDS
45
Q

WPT on EFIS

A

Displays waypoints in the FMC up to 40NM

46
Q

DATA on EFIS

A
  • Displays altitude constraints, ETA and RNP value for the subsequent leg,
  • RNP value only displayed if it’s in the NDB and no manual RNP has been entered
47
Q

Flight Recorder Operation

A
  • Inflight: Anytime electrical power is available,
  • On the ground: Either engine must be operating
48
Q

Automatic Display Brightness Control

A
  • 2 remote light sensors on the top of the Glareshield,
  • Each DU also has an integral light sensor
49
Q

DEU

A
  • Display Electronic Unit,
  • 2 DEUs receive data from sensors/systems and supply data to DUs,
  • DEU 1 supplies data to the CPTs inboard/outboard and Upper DU,
  • DEU 2 supplies data to the F/Os inboard/outboard and Lower DU,
  • A single DEU can supply all DUs from independent sources
50
Q

DU Automatic Switching

A
  • If Outboard DU fails, PFD automatically moves to the Inboard DU,
  • If the Upper DU fails, primary engine display automatically moves to lower DU and,
  • If secondary engine display is already on the Lower DU, a compact engine display is displayed
51
Q

ADIRS Components

A

Air Data Inertial Reference System components are:
- 2 Air Data Inertial Reference Units (ADIRUs),
- 4 Air Data Modules (ADMs),
- 1 Inertial System Display Unit (ISDU),
- 1 Dual Mode Select Unit (MSU),
- 6 Static Ports,
- 3 Pitot Probes,
- 2 Alpha Vanes,
- 1 Total Air Temperature Probe

52
Q

ADIRU

A
  • Air Data Inertial Reference Unit,
  • Provide Inertial Position and Track Data to the FMC,
  • Provide Attitude, Altitude and Airspeed data to the displays,
  • Information measured by:
    1-) Internal Gyros/Accelerometers,
    2-) Air Data Module inputs,
    3-) Alpha Vanes and other systmes
53
Q

Air Data

A
  • Comprised of 3 seperate Pitot Probes and 6 flush Static Ports,
  • 2 Pitot Probes and 4 Static Ports interface with the Air Data Modules,
  • Remaining provide to the Standby Instruments,
  • ADMs convert pneumatic pressure to electrical signals and send these data to ADIRUs,
  • Each Probe and Ports connected to its on-side Air Data Modules, there is no cross connection,
  • CPTs Probe and Ports send information to left ADIRU and F/Os to right ADIRU
54
Q

SAT

A
  • Static Air Temperature,
  • Comes from ADIRUs, using Total Air Temperature Probe information
55
Q

Standby Instruments Power Sources

A
  • Standby Attitude Indicator and ISFD: Battery Bus,
  • Standby RMI: AC Standby Bus
56
Q

Standby Attitude Indicator Startup

A
  • Gyro reaches operational speed approximately 60s after power is applied,
  • Indicator requires 3 minutes to achieve accuracy requirements
57
Q

ISFD and Startup

A
  • Integrated Standby Flight Display,
  • 10s after power applied an initialization sequence starts that requires 90s,
  • ATT and INIT 90s messages displayed during initialization
58
Q

ISFD Data Inputs

A
  • Attitude is computed from data provided by internal inertial sensors,
  • Airspeed and Altitude are computed from data Auxiliary Pitot and Alternate Ports,
  • Localizer/Glideslope deviation comes from MMR 1,
  • Magnetic Heading comes from ADIRU 1
59
Q

ISFD Attitude Reset Inflight

A
  • Wings level, non-accelerated flight,
  • ATT 10s message shown,
  • If unsuccessful ATT: RST message shown
60
Q

Clocks Power Source

A
  • Standby 28V DC used when the main 28V DC power is not available,
  • Clock reverts to standby power when the airplane is powered down,
  • Standby power keeps the time base only
61
Q

DFDR

A
  • Digital Flight Data Recorder,
  • Records: Time, Heading, Altitude, Airspeed, Acceleration, Attitude, Engine Thrust and Flight Control Surface position,
  • Continuously records the last 25 hours of operation,
  • Located at far aft cabin ceiling, behind an access door,
  • Corrosion, fire and impact resistant and survives deep sea pressure to 20000FT,
  • Locator beacon operable for 90 days
62
Q

ACMS

A

Aircraft Condition Monitoring System

63
Q

Failure Flags and Messages General

A
  • If blank or replaced by dashes, no valid information is available to the display system,
  • Might be out of range or malfunctioning NAVAIDS,
  • Flags are displayed for system failures or invalid information
64
Q

FPA

A
  • Flight Path Angle,
  • Uses inertial and barometric altitude inputs,
  • Vertical FPA is unreliable with unreliable primary altitude displays
65
Q

FPA Brightness

A
  • Dim when either the F/D or TCAS RA is displayed,
  • Otherwise bright
66
Q

ND Expanded Compass Coverage

A

Displays 90 degrees of compass rose

67
Q

ND Wind Direction and Speed

A
  • Displayed if wind magnitude > 6KT,
  • Blanked if it becomes < 4KT,
  • Blank until TAS > 100KT
68
Q

VNAV Path Deviation Scale Values

A
  • Indicates +/- 400FT range,
  • Digital display provided when deviation is > 30FT
69
Q

Position Trend Vector

A
  • Predicts position at the end of 30, 60 and 90s intervals,
  • Dash number depends on the selected range (1 / 10NM, 2 / 20NM, 3 / > 20NM)
70
Q

Green Banana Proper Name

A

Altitude Range Arc

71
Q

Dashed Runway Centerline Length on ND

A

14.2NM

72
Q

GPS and ADIRU Position Symbols

A
  • GPS: Looks like a TIE Fighter,
  • ADIRU: Looks like a star
73
Q

ND Cyan Dashed Double Lines

A
  • Enroute swath,
  • Indicates area of the map that is shown on the VSD,
  • Inhibited both on T/O and Approach when within 6NM of RWY and < 3000FT
74
Q

TCAS ND Symbols

A
  • RA: Red square,
  • TA: Amber circle,
  • Proximate Traffic: Solid White Diamond,
  • Other Traffic: Empty White Diamond,
  • Arrow: Rate 500FPM or more
75
Q

TCAS Range Ring

A
  • Shows 3NM oriented to aircraft heading,
  • Displayed at ranges 80NM or less

FCOM NG System Description (16 decks)

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