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Embraer 190 Technical > Warning System > Flashcards

Warning System Flashcards

1
Q

Where are the Master Warning & Caution Lights installed?

A

Glareshield

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2
Q

What are the 4 EICAS Message Priority Levels?

A

WARNING - RED
CAUTION - AMBER
ADVISORY - CYAN
STATUS - WHITE

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3
Q

What is the definition of a CAUTION?

A

Indicates an abnormal operational or aircraft system condition requiring immediate crew awareness and should require a subsequent corrective or compensatory action

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4
Q

How many messages can be displayed on the EICAS?

A

15

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5
Q

How are EICAS messages presented

A

In chronological order according to category

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6
Q

How long will an advisory flash in inverse video?

A

5 seconds

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7
Q

Where can the number of overflow messages be seen?

A

Status Line

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8
Q

What is a ROOT EICAS Message?

A

Where a single failure has triggered more than 1 EICAS (these are preceded by a chevron)

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9
Q

What are K codes and how many are there?

A

Inhibition of some messages during critical phases of flight
6 K Codes

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10
Q

What are the Aural Warning Priority Levels?

A

Emergency - LVL 3
Abnormal - LVL 2
Advisory - LVL 1
Info - LVL 0

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11
Q

What are the intervals between a Master Warning annunciation?

A

3 seconds

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12
Q

What are the intervals between a Master Caution annunciation?

A

5 seconds

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13
Q

When is the wind shear detection and escape guidance system activated?

A

Between 10ft and 1500ft RAD ALT during TO, GA and Approach Phases of Flight

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14
Q

What is displayed on the PFD when windshear is detected?

A

WSHR

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15
Q

How many Windshear Sensitivity Levels are there?

A

2
Windshear Caution
Windshear Warning

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16
Q

When will windshear not be detected?

A

If EGPWS or RAD ALT unavailable

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17
Q

What is a Windshear CAUTION and how is it annunciated?

A

Detection of increasing headwind and updrafts

AMBER WSHR on PFD
CAUTION WINDSHEAR Voice Message

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18
Q

What is a Windshear WARNING?

A

Detection of decreasing headwind (or increasing tailwind) and down drafts

RED WSHR on PFD
WINDSHEAR WINDSHEAR WINDSHEAR Voice Message

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19
Q

How do you know that Windshear Escape Guidance has been activated?

A

GREEN WSHR on the FMA

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20
Q

How is Windshear Escape Guidance provided?

A

Via the Flight directors

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21
Q

How can Windshear Escape Guidance be activated?

A

Manually - By pressing TO/GA button when Windshear caution or warning is detected

Automatically - when a windshear WARNING is detected and either the thrust lever is set to TO/GA OR the Flight Director Mode is in TO or GA

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22
Q

What happens to the autopilot when escaping windshear?

A

Automatically disconnects

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23
Q

What happens to the Autothrottle when escaping windshear?

A

Autothrottle positions the thrust levers to the TO/GA position

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24
Q

If not engaged, can the pilot engage Autothrottle during windshear escape guidance?

A

Yes

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25
Q

What happens to the TRS when escaping windshear?

A

FADEC cancels any Flex/Derated Thrust, and the thrust will be set to GA-RSV regardless of the setting/EICAS label

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26
Q

What is TCAS?

A

Traffic collision and avoidance system

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27
Q

What does TCAS do?

A

Interrogate operating Mode A, C & S transponders of other aircraft to calculate its flight path and coordinate optimal avoidance manoeuvres

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28
Q

What happens if an aircraft does not have an operating Transponder?

A

They are invisible to TCAS

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29
Q

How is TCAS Controlled?

A

MCDU and the MFD & CCD

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30
Q

What is the normal TCAS mode of operation?

A

TA/RA

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31
Q

What are the TCAS Altitude Range Modes?

A

NORMAL
ABOVE
BELOW
EXPANDED

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32
Q

What targets are shown in TCAS NORMAL Mode?

A

Shows Targets within 2700ft above or below

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33
Q

What targets are shown in TCAS EXPANDED Mode?

A

Shows Targets within 9900ft above or below

34
Q

What targets are shown in TCAS ABOVE Mode?

A

Shows targets within 9900ft above and 2700ft below

35
Q

What targets are shown in TCAS BELOW Mode?

A

Shows targets within 2700ft above and 9900ft below

36
Q

What does a vertical arrow mean next to a TCAS symbol?

A

Vertical Motion greater than 550ft/min

37
Q

When will you receive an RA?

A

20-30s from Collision

38
Q

When will you receive a TA?

A

34-45s from Collision

39
Q

What colour and shape is an RA?

A

RED solid SQUARE

40
Q

What colour and shape is a TA?

A

AMBER solid CIRCLE

41
Q

What aural warning is heard for a TA?

A

TRAFFIC TRAFFIC

42
Q

What colour and shape is Proximate traffic and when is it displayed?

A

CYAN Solid Diamond - within 6.5nm and 1200ft above or below

CYAN Hollow Diamond - outside 6.5nm and within 2700ft above or below

43
Q

What does the RA Aural Warning CLIMB, CLIMB NOW! CLIMB, CLIMB NOW! mean?

A

You are descending
Must immediately stop descending & start climbing

44
Q

When is the INCREASE DESCENT Aural warning inhibited?

A

1450ft AGL and below during descent

up to 1650ft AGL during a climb

45
Q

When is the DESCENT Aural Warning inhibited?

A

1000ft AGL and below during descent

up to 1200ft AGL during a climb

46
Q

When does the TCAS inhibit RA revert to TA only?

A

900ft AGL and below during descent

up to 1100ft AGL during a climb

47
Q

When are TAs & RAs inhibited?

A

Below 380ft AGL

48
Q

When are CLIMB/INCREASE CLIMB TCAS commands inhibited?

A

34,000ft MSL +

49
Q

When are all TCAS Aural Advisories inhibited?

A

400ft AGL and below during descent

up to 600ft AGL during a climb

50
Q

What is EGPWS?

A

Enhanced Ground Proximity Warning System

51
Q

What are the functions of EGPWS?

A

Alerts and warnings in the avoidance of controlled flight into terrain
AND
Windshear Warnings

52
Q

From where does the EGPWS receive its info?

A

ADS, FMS, GPS, IRS, RAD ALT, Slats & Flaps Info

53
Q

What are the 4 functions of the EGPWS?

A

Forward Looking Terrain Awareness
Terrain Clearance Floor
Ground Proximity Warning
Terrain Awareness Display

54
Q

What is the Terrain Clearance Floor Function?

A

Provides circular terrain clearance envelope around the airport runway and is active during takeoff, cruise and final approach

55
Q

How many Ground Proximity Warning Functions are there?

A

7

56
Q

What are the 7 Ground Proximity Warning Functions?

A

SINK RATE, PULL UP
TERRAIN TERRAIN, PULL UP
DON’T SINK, DON’T SINK
TOO LOW TERRAIN, TOO LOW GEAR, TOO LOW FLAPS
GLIDESLOPE
BANK ANGLE, MINIMUMS
WINDSHEAR

57
Q

What is the range of the terrain mapping system?

A

5-2000nm

5nm, 10nm, 25nm, 50nm, 100nm, 200nm, 300nm, 500nm, 1000nm, 2000nm

58
Q

What is the purpose of the GND PROX TERR INHIB Button?

A

Inhibits terrain alerts at airports not covered by the EGPWS database

59
Q

What is the purpose of the GND PROX FLAP OVRD INHIB Button (Guarded)?

A

Inhibits Flap Alerts when landing with a configuration that is different to normal

60
Q

Where are the Warning & Monitoring Systems located?

A

In the MAUs (Modular Avionics Unit)

61
Q

When is a miscompare detected between the CAS message lists?

A

If the lists are continually different for 20s

62
Q

How are the Monitoring Warning Functions (MWF) configured?

A

1 Priority, 1 Backup/Standby

63
Q

When are Voice Messages/Alerts heard?

A

EGPWS, TCAS, WINDSHEAR, STALL + OTHERS

64
Q

When is the Take off Configuration Warning Activated?

A

ON GROUND
Thrust is applied
AND one of:
Flaps NOT in take off position
Parking brake applied
Pitch trim out of green range
Any spoiler is deployed

65
Q

What Warning will be heard if the pitch trim is out of the green range before take off?

A

NO TAKEOFF TRIM

66
Q

When will TAKEOFF OK be heard?

A

When the test button is pressed and the take off configuration is correct

67
Q

How is the Take off Configuration Warning Test carried out?

A

By simulating the power levers in the advanced position

68
Q

When is Stall Protection activated?

A

When the stick shaker is activated, the AOA limiting function reduces the control column authority in the nose up direction gradually until it reaches the AFT stop, thereby limiting the AOA

69
Q

What does Solid Red density colour mean on the Terrain awareness display?

A

Warning Terrain 30 seconds from impact

70
Q

What does solid yellow density colour mean on the Terrain awareness display?

A

Caution Terrain 60 seconds from impact

71
Q

What do High density red dots mean on the Terrain awareness display?

A

Terrain more than 2000ft above aircraft altitude

72
Q

What do Low density cyan dots mean on the Terrain awareness display?

A

Terrain elevation is equal to 0ft MSL

73
Q

What happens to the Flight Directors when WSHR Escape Guidance has been activated?

A

Pitch command is provided by the flight directors
All other flight director modes are cancelled and altitude, go around and take off modes are inhibited

74
Q

What is RAAS?

A

Runway Awareness and Advisory System

75
Q

When can RAAS be used?

A

For situational awareness for events leading to runway incursions during Taki, takeoff, approach and landing/roll out.

CANNOT be used to guide an aircraft around the terminal

No protection provided for traffic separation

76
Q

How is RAAS activated/deactivated?

A

RAAS Inhibit Button

77
Q

What are the RAAS Advisories?

A

Approaching Runway (in air)
Approaching Runway (on ground)
On Runway (on ground)
Distance Remaining (Landing/Rollout)
Runway End
Approaching Short runway (In air)
Insufficient Runway Length (on ground)
Extended holding on runway
Taxiway taKEOFF
Distance Remaining (Rejected Takeoff)

78
Q

What are the 2 TCAS MFD Formats?

A

TCAS Map OVERLAY
TCAS Zoom Format (Displayed on lower part of the MFD)

79
Q

What is the range of the TCAS Zoom Format?

A

6, 12, 20, 40, 80 & 120nm

80
Q

When will the Zoom TCAS Format automatically display?

A

If neither format is displayed, the range is less than 50nm and a TA/RA condition is encountered

81
Q

What is displayed when RA avoidance manoeuvre is recommended?

A

Flight directors removed
1 or 2 Red Avoidance Zones
Green Rectangular Fly TO Zone Displayed

82
Q
A

Embraer 190 Technical (20 decks)

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