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Embraer 190 Technical > Ice & Rain Protection > Flashcards

Ice & Rain Protection Flashcards

1
Q

What are the components of the Ice & Rain Protection System?

A

Wing Anti-Ice System
Engine Anti-Ice System
Windshield Heating
Windshield Wipers
ADSP & TAT Heating System

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2
Q

When does the Wing Anti-Ice System test itself?

A

10,000ft AGL or 10 mins after takeoff, whichever occurs first

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3
Q

What happens during the Wing Anti-Ice System Test?

A

Slat Anti-Ice Valves are OPENED
A-I WING VLV OPEN EICAS Message

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4
Q

How long does the Wing Anti-Ice System Test Last?

A

60 seconds (Max)

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5
Q

What EICAS Message will be displayed if a failure occurs during the Wing Anti-Ice System Test?

A

A-I WING FAIL

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6
Q

How many windscreen wipers are there and how are they controlled?

A

2, controlled via dedicated knobs on the overhead panel

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7
Q

For what 2 purposes are the Windshields heated?

A

Anti-Icing & De-Fogging

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8
Q

How many Electrical Sources are required to fully & normally operate the Windshield Heating System?

A

At least 2 AC Electrical Sources

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9
Q

How is the Windshield Heating System Normally Operated?

A

Automatically

Windshield Heating Buttons 1 & 2 on the Overhead Panel remain Pushed IN allowing the system to automatically control the windshield temperature

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10
Q

If only 1 AC Electrical Source is available in Flight, which Windshield is heated?

A

Left Windshield

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11
Q

What will happen if you only have 1 AC Electrical Source and the Left Windshield System has failed?

A

Right Windshield Heating becomes available

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12
Q

What is an ADSP and how many are there?

A

Air Data Smart Probe
x 4

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13
Q

What comprises the ADSP/TAT Heating System?

A

4 x ADSP
2 X TAT

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14
Q

Where are the ADSP & TAT Probes Located?

A

On the Aircraft Nose

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15
Q

What are the features of the ADSP/TAT Probes?

A

Fully Automatic
Each with a dedicated heater

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16
Q

When are the ADSPs heated?

A

Whenever an engine is running
OR
IN FLIGHT

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17
Q

When are the TATs heated?

A

When OAT below 10°C with engines running
OR
Airspeed above 50kts
OR
IN FLIGHT

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18
Q

When is TAT Probe heating disabled?

A

Airspeed below 45kts

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19
Q

When batteries are the only electrical source, which ADSP will be heated?

A

ADSP 3

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20
Q

What is the normal position for the ADSP Heater Button?

A

Pushed OUT

21
Q

How can the ADSP System Logic be overridden?

A

Manually, by pushing IN the ADSP Heater Button

22
Q

What happens when the ADSP Heater Button is pushed IN?

A

Manual Override of the System Logic, allowing for heating of the ADSPs on GROUND

23
Q

What happens to the Engine Anti-Ice Valve if Electrical Power is lost?

A

Fail Safe Open

24
Q

Which part of the wings are heated/can be de-iced?

A

Outboard Leading Edges (2,3,4)

25
Q

How are the Wing Leading Edges Heated?

A

Via Bleed Air from the Respective Engine

26
Q

Can the APU Supply bleed air for Anti-icing?

A

No

27
Q

How many Ice Detectors are there?

A

2, located on the Left & Right side of the nose

28
Q

What would happen to the Wing Anti-Ice System if an Engine Fire Handle is Pulled?

A

Anti-Ice Protection would be lost, as pulling the Fire Handle closes the Crossbleed Shutoff Valve

29
Q

When are the Wing & Engine Anti-ice Valves commanded open?

A

If an Icing Condition is detected IN FLIGHT

30
Q

What happens if an icing Condition is detected IN FLIGHT?

A

The Ice Detectors command the wing and engine anti-ice valves OPEN

Remain Activated for 2 minutes after the icing condition is no longer detected

31
Q

How long do the wing and Engine Anti-Ice Valves stay Open after an Icing Condition is detected IN FLIGHT?

A

Until 2 minutes after the icing condition is no longer detected

32
Q

What happens if 1 Ice Detector fails?

A

Nothing, system operates automatically/normally, but redundancy is lost

33
Q

What happens if both Ice Detectors fail?

A

Anti-Ice System must be operated manually

34
Q

What must be done before taking off in Icing Conditions?

A

The FADEC must be configured via the MCDU

35
Q

Ice is detected. With ENG selected on the T/O data set page, and AUTO selected on the Mode Selector, when will the WING Anti-Ice System come on?

A

At the end of the takeoff phase - 1700ft AGL or 2 minutes after takeoff, whichever occurs first

36
Q

With ENG selected on the T/O data set page, and AUTO selected on the Mode Selector, when will the Engine Anti-Ice come on?

A

The Engine Anti-Ice Valve will be OPENED after Engine Start

37
Q

When will the Engine & Wing Anti-Ice Valves Open?

A

If Ice is detected

38
Q

What happens when a Bleed Source fails in the Wing Anti-Ice System?

A

The System Automatically opens the Crossbleed Valve and uses the opposite bleed for both wings.

39
Q

Operation of Anti-Ice Valves during takeoff affects what?

A

Engine Performance

40
Q

What is the purpose of the REF A/I Modes set on the MCDU?

A

They inhibit the Anti-Ice System Logic during takeoff until 1700ft AGL or 2 mins after takeoff, whichever occurs first

41
Q

What does the Engine and Wing Anti-Ice System use as a heat source?

A

Bleed Air from the Engines

42
Q

What is meant by the undetected envelope Anti-Ice logic?

A

During specific conditions the Wing Anti-Ice System will be activated regardless of Icing conditions being present

ICE CONDITION EICAS Message will not display

43
Q

Even though not in icing conditions, when will the Wing Anti-Ice System activate?

A

When for 2 minutes all of the following occur:

IN FLIGHT
Altitude BELOW 22,000ft
Combination of Air Temp, Alt & Speed Indicators
Airspeed between 150kts - 320kts
VS between -200ft/min and +200ft/min

44
Q

How are Engine Cowls heated?

A

With Air from the Low Stage Bleed of the respective Engine

45
Q

How many Engine Anti-Icing Systems are there?

A

2 - each Engine has an Independent Anti-ice System

46
Q

What happens when the Ice Protection Mode Knob is ON

A

The System is activated regardless of Icing Conditions

47
Q

What does a WHITE Flow Line Indicate on the MFD Synoptic Page?

A

The flow line is not pressurised

48
Q

What does an AMBER Flow Line Indicate on the MFD Synoptic Page?

A

The flow line is overheated

49
Q

What does an AMBER/WHITE Dashed Flow Line Indicate on the MFD Synoptic Page?

A

The flow line pressure is undetermined

Embraer 190 Technical (20 decks)

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