10. Flight Instruments, Displays Flashcards
1
Q
Speed Trend Vector
A
Tip of the arrow indicates predicted airspeed in the next 10s
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
2
Q
Current Airspeed Display
A
Indicates current CAS when above 45KT
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
4
Q
Current Mach Number
A
Displays when airspeed is 0.40 Mach and above
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
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
7
Q
V2 + 15 Bug Disappears When
A
- First Flap retraction,
- When Vref is entered in the CDU
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
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)
10
Q
Vref + 20 Bug
A
White and displayed when Vref is selected
11
Q
PLI
A
- Pitch Limit Indicator,
- Displayed at slow speeds with Flaps Up or,
- Flaps extended
12
Q
Slip/Skid Indicator Amber
A
Indicates:
- When bank angle is > 35 or,
- Full scale deflection
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
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
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
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
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,
18
Q
Rising Runway
A
Rises towards airplane symbol when RA < 200FT
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)
20
Q
Current Altitude Green Crosshatch Symbol
A
- For positive values of altitude below 10000FT,
- Negative sign appears when altitude below 0FT is displayed
21
Q
Landing Altitude Indication
A
- Shows Departure Runway until 400NM or,
- 1/2 of distance to destination whichever occurs first
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
23
Q
Vertical Speed Minimum Digital Readout Value
A
> 400FPM
24
PITCH and ROLL Flags
- CPT and F/Os values differ more than 5 degrees,
- Flash for 10s then remain steady
25
AOA DISAGREE Flag
- 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
26
CDS MAINT
- A dispatchable CDS fault has occured,
- Displayed on the ground only,
- Prior to start of the second engine
27
CDS FAULT
- A non-dispatchable CDS fault has occured,
- Displayed on the ground only,
- Prior to start of the second engine
28
DSPLY SOURCE 1 / 2
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
29
DISPLAYS CONTROL PANEL
- Indicates a failed EFIS Control Panel on the affected side,
- Altitude information is removed
30
INSTR SWITCH
- Indicates both CPT and F/Os displays are using same source of IRU data,
- Displayed when IRS switch is not in NORMAL
31
IAS DISAGREE
CPT and F/Os values differ more than 5KT for more than 5 continuos seconds
32
ALT DISAGREE
CPT and F/Os values differ more than 200FT for more than 5 continuos seconds
33
VSD Approach Glidepath Angle Line
- Extends 10NM,
- Anchored to the MAPt not the RWY,
- Manual altitude corrections do not change displayed G/P
34
RTSD
- 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
VSD 3 Degrees Reference Line
- Displayed for approaches that do not have a designated approach angle,
- Extends 10NM,
- Anchored to the RWY threshold
36
VSD Terrain Profile Line Colors
- 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
RAAS "FLAPS" Caution
- 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
RAAS "ON TAXIWAY" Caution
- Shown on the ND as amber "ON TAXIWAY" each time,
- Groundspeed > 40KT and,
- Aircraft is not aligned with a RWY
39
RAAS "UNSTABLE" Caution
- 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
RAAS "TAXIWAY" Caution
- 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
RAAS "LONG LANDING" Caution
- 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
RAAS Status Messages on ND
- 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
Weather Radar Flags
- 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
STA on EFIS
- Displays all FMC data base NAVAIDS up to the range of 40NM,
- Above 40NM range shows only high level NAVAIDS
45
WPT on EFIS
Displays waypoints in the FMC up to 40NM
46
DATA on EFIS
- 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
Flight Recorder Operation
- Inflight: Anytime electrical power is available,
- On the ground: Either engine must be operating
48
Automatic Display Brightness Control
- 2 remote light sensors on the top of the Glareshield,
- Each DU also has an integral light sensor
49
DEU
- 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
DU Automatic Switching
- 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
ADIRS Components
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
ADIRU
- 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
Air Data
- 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
SAT
- Static Air Temperature,
- Comes from ADIRUs, using Total Air Temperature Probe information
55
Standby Instruments Power Sources
- Standby Attitude Indicator and ISFD: Battery Bus,
- Standby RMI: AC Standby Bus
56
Standby Attitude Indicator Startup
- Gyro reaches operational speed approximately 60s after power is applied,
- Indicator requires 3 minutes to achieve accuracy requirements
57
ISFD and Startup
- Integrated Standby Flight Display,
- 10s after power applied an initialization sequence starts that requires 90s,
- ATT and INIT 90s messages displayed during initialization
58
ISFD Data Inputs
- 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
ISFD Attitude Reset Inflight
- Wings level, non-accelerated flight,
- ATT 10s message shown,
- If unsuccessful ATT: RST message shown
60
Clocks Power Source
- 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
DFDR
- 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
ACMS
Aircraft Condition Monitoring System
63
Failure Flags and Messages General
- 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
FPA
- Flight Path Angle,
- Uses inertial and barometric altitude inputs,
- Vertical FPA is unreliable with unreliable primary altitude displays
65
FPA Brightness
- Dim when either the F/D or TCAS RA is displayed,
- Otherwise bright
66
ND Expanded Compass Coverage
Displays 90 degrees of compass rose
67
ND Wind Direction and Speed
- Displayed if wind magnitude > 6KT,
- Blanked if it becomes < 4KT,
- Blank until TAS > 100KT
68
VNAV Path Deviation Scale Values
- Indicates +/- 400FT range,
- Digital display provided when deviation is > 30FT
69
Position Trend Vector
- 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
Green Banana Proper Name
Altitude Range Arc
71
Dashed Runway Centerline Length on ND
14.2NM
72
GPS and ADIRU Position Symbols
- GPS: Looks like a TIE Fighter,
- ADIRU: Looks like a star
73
ND Cyan Dashed Double Lines
- 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
TCAS ND Symbols
- RA: Red square,
- TA: Amber circle,
- Proximate Traffic: Solid White Diamond,
- Other Traffic: Empty White Diamond,
- Arrow: Rate 500FPM or more
75
TCAS Range Ring
- Shows 3NM oriented to aircraft heading,
- Displayed at ranges 80NM or less
