Ice Flashcards

1
Q

Where is the engine anti-ice (EAI) annunciation is displayed?

A

The engine anti-ice (EAI) annunciation is displayed above the EICAS N1 indication.

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2
Q

What happens if an engine anti-ice duct leak is detected?

A

The affected engine anti-ice valve automatically closes.

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3
Q

With the window heat switches ON, when does window heat operate?

A

Window heat operates as soon as electrical power is established.

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4
Q

When will the “ICING ENG” EICAS message be displayed?

A

The ICING ENG message will be displayed if ice is detected & one or both anti-ice selectors are off.

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5
Q

Automatic Engine Anti-Ice is:

A

Inhibited on the ground.

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6
Q

The forward windons on the 787 utilize a hydrophobic coating for rain repellent.

A

B. False

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7
Q

How are all of the flight deck windows heated?

A

All of the flight deck windows are heated electrically.

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8
Q

Which of the following statement(s) are true about the operation of the WAI and EAI systems?

A

EAI may be manually selected for ground operation and WAI is inhibited on the ground below 75 kts.

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9
Q

When WAI is activated, what surfaces are anti-iced?

A

The four mid-wing leading edge slats on each wing

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10
Q

When is automatic WAI operation inhibited?

A

Momentarily for up to 30 seconds during high electrical load periods.

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11
Q

EAI is required for ground operation when which of the following conditions are present?

A

EAI must be ON during all grounds operations if icing conditions exist or are anticipated.

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12
Q

When can engine anti-ice be operated manually?

A

On the ground or in flight..

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13
Q

Which windows are heated for anti-ice protection?

A

Forward windows only.

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14
Q

An “OVERHEAT WING” EICAS message appears if ____.

A

A. A wing anti-ice pad overheat conditions is detected.

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15
Q

The automatic ice detection systems consists of______.

A

Two ice detector probes

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16
Q

Engine anti-ice provides heat to what area(s)?

A

The engine cowl inlet and engine core.

17
Q

What commands operation of the wing and engine anti-ice in the AUTO mode?

A

The automatic ice detecion system.

18
Q

When are the pitot tubes heated?

A

A. In flight

B. On the ground with either engine operating

19
Q

When is the TAT probe heated?

A

A. In flight only

20
Q

ISFD air data may be unreliable in icing conditions with:

A

Loss of center pitot probe heat.

21
Q

If any wing anti-ice mat is inoperative, the opposite wing anti ice mat operation is inhibited.

22
Q

Is automatic wing anti-ice available on the ground?

A

Yes, if speed is greater than 75kts.

23
Q

When is automatic ice detection available?

A

A. In flight.

C. On the ground above 75 kts.

24
Q

All flight deck windows have a backup electrical power source.

25
Pack inlet anti-ice:
A. is controlled by the the automatic ice detection system B. is inhibited on the ground C. is inhibited when TAT is above 10 C.
26
When and how are the ice detection probes heated?
Electrically after engine start.
27
Which of the following statements is true concerning engine anti-ice?
A. Automatic engine anti-ice is inhibited on the ground. | B. Manual engine anti-ice operation is available both on the ground or in flight.