ICE AND RAIN Protection Flashcards

Anti ICE

1
Q

Wing Anti-ice switch: We have some planes with a rotary switch and others with an alternate action switch.
How is the WING Anti Ice used?

A

Use WING AI as a de-icer primarily.

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1
Q

How is the wing heated?

A

WING uses bleed air for the THREE outboard slats.

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2
Q

Can wing anti ice be used on the ground?

A

It is operated in flight only; inhibited on the ground.

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2
Q

The VALVE Light is a?

A

DISAGREE light.

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3
Q

What if we landed with the WING AI on?

A

The VALVE lights would illuminate;
DISAGREE; when the system turned itself OFF.

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4
Q

Some aircraft (-200’s and 477) have an AUTOMATIC WING and TAI system. How do we operate them?

A

We operate in MANUAL and use AUTO as a safety backup.

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5
Q

You get ATIS and the report says:

Calm, 01OVC 1/4mi FG5/5 2981

What System would you turn on and when?

A

ENG Anti-Ice,

after engine start

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6
Q

On the 200’s our Anti-Ice Panel has an auto mode which is selected to auto after engine start. If you encounter icing conditions in flight, do you leave it in AUTO?

A

No. For fleet continuity reason, select the ENG ANTI ICE to ON

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7
Q

On taxi out, the OAT is reported 2°c, what should your pilot action be?

A

Must complete an engine run up.
Every 30m
60%N1
For 30 seconds
And once before take off

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8
Q

The PITOT, AOA, and TAT discrete lights are on the overhead panel. When do they extinguish?

A

They extinguish when the first engine is started.

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9
Q

Are they all powered?

A

No. The TAT probe light extinguishes, but it is not powered until airborne

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10
Q

What are icing conditions?

A

10 C TAT on the ground or 10 C SAT in the air (or less) with visible moisture (vis < 1 mi) or slush, snow standing water

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11
Q

What is the difference between OAT, SAT and TAT?

A

OAT - Outside Air Temp is the temperature outside (ATIS)

SAT - Static Air Temp is basically the same, but OAT gauges are unreliable above 200 knots, so SAT is used

TAT - Total Air Temp is SAT + Ram Rise (the natural rise in temperature caused by friction in high speed flight

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12
Q

Where do we read SAT?

A

EICAS screen 1

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13
Q

What if ATIS said that the temperature was 12C but TAT (on the ground) was reading 10C. Would you turn the TAI on?

A

YES

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