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Boeing 757 Systems > Anti-Ice, Rain > Flashcards

Anti-Ice, Rain Flashcards

1
Q

When you press the WING ANTI-ICE Switch, what happens?

A

Press ON – Both wing anti-ice valves

                are commanded open.

Press Off – both wing anti-ice valves are commanded

                closed.
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2
Q

What occurs when you press the ENGINE ANTI-ICE Switches?

A

ON – the engine anti-ice valve is commanded open.

Off (ON not visible) – the engine anti-ce valve is commanded closed.

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3
Q

What is the reason the Wing Anti-Ice VALVE Lights illuminate?

A

The wing anti-ice valve position disagrees with the switch
position.

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4
Q

What has happened if you notice the Engine Anti-Ice VALVE Lights?

A

The engine anti-ice valve position disagrees with the switch position.

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5
Q

Pressing the WINDOW HEAT Switches does what?

A

ON – window heat is applied to the selected windows.

Off (ON not visible) – window heat is removed from the selected windows.

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6
Q

What indication informs you the Window Heat is not functioning?

A

Amber Inoperative (INOP) Lights on the overhead panel.

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7
Q

The Probe Heat lights inform the crew that

A

The probe is not being heated in flight or

neither engine is running on the ground.

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8
Q

How many probe heat lights are there?

A

There are seven probe heat lights on the overhead panel.

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9
Q

Name the probes being heated.

A

CAPTAIN and FO PITOT

L and R AOA

L and R AUX PITOT

TAT

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10
Q

Describe the Wing ANTI ICE system.

A

The wing anti-ice system provides bleed air to three midwing leading edge slats on each wing.

Maximum EPR limits are automatically reduced with the Wing Anti-ice switch in the ON position.

It is inhibited on the ground. Inflight use only.

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11
Q

Describe why the VALVE light illuminates.

A

The VALVE light illuminates and the EICAS advisory message L or R WING ANTI-ICE displays if the wing anti-ice valve disagrees with the switch position

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12
Q

All flight deck windows are ____________ heated

A

electrically

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13
Q

What do the forward windows have for ice protection?

A

The forward windows have anti-icing protection and anti-fogging.

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14
Q

How are the SIDE windows heated?

A

The side windows have anti-fogging protection only.

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15
Q

Flight Deck Window Heat.

All flight deck windows are __________ heated.

A

Electrically

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16
Q

What is the minimum the probe heat needs to operate?

A

One engine running.

17
Q

If two or more probe lights illuminate, the EICAS advisory

message ___________ displays

A

EICAS PROBE HEAT

Boeing 757 Systems (17 decks)

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