ICE AND RAIN

Question 1

Is automatic ice detection available on the ground?

Answer 1

No, only in flight

Question 2

Is Engine anti-ice available during Engine out taxi?

Answer 2

Only to the Engine running. No cross feed of air for Engine anti-ice

Question 3

Where is EAI indicated during operation?

Answer 3

Next to N1 levels on primary EICAS display

Question 4

Is Wing anti-ice available on the ground?

Answer 4

No

Question 5

List the inhibits for wing anti-ice

Answer 5

• No WAI on gnd. AUTO in flight only
• Inhibited for 5 min after T/O if TAT is +10 deg or more
• AUTO inhibited for 10 min with T/O thrust or until climb thrust is set.

Question 6

Where is wing anti-ice indicated during operation?

Answer 6

Between N1 and EGT indications on primary EICAS

Question 7

Is wing anti-ice available after a wing anti-ice valve fails closed?

Answer 7

No, the other valve closes to prevent assymetric ice pick-up

Question 8

Which windows have anti-ice protection?

Answer 8

The 2 main FWD windows

Question 9

When does the back-up anti-fogging operate?

Answer 9

When the primary window heat system fails for the FWD windows

Question 10

How many wiper speeds are there?

Answer 10

3
INT
LOW
HIGH

Question 11

Are the pitot and TAT probes constantly heated?

Answer 11

No
Pitot: When either engine is running
TAT: In flight

Question 12

How many pitot probes are there?

Answer 12

3

Question 13

How many AOA probes are there and how are they heated?

Answer 13

2

They are electrically heated