Ice and Rain Systems

Question 1

When can you switch off anti ice, low temp?

Answer 1

-40deg

Question 2

What provides wing anti-ice?

Answer 2

Air from Pneumatic system, three outboard slats

Question 3

What provides Engine Anti-ice?

Answer 3

Independent air from HP section.

Question 4

What is Anti-iced electrically?

Answer 4

Windows and Probes and drain masts (lower on ground to prevent injury)

Question 5

Is there an ice detector?

Answer 5

Between the windows or if there is an automatic one installed.

Question 6

What is the rain repelant?

Answer 6

Sprayed by buttons

Question 7

What is the Wiper Max Speed?

Answer 7

230kts

Question 8

When are the probes and windows heated?

Answer 8

After starting first engine

Question 9

When might you select Probe/Window P/b to ON?

Answer 9

To de-fog or de-ice the windows, as they are on low on the ground.

Question 10

What happens to the N1/EPR idle and Limits when Anti-Ice is selected?

Answer 10

Higher Idle

Limits reduced as air is taken away for icing.

Question 11

Can you use APU Bleed for WAI?

Answer 11

No

Question 12

What happens to the N1/EPR idle and Limits when WAI is selected?

Answer 12

Higher Idle

Limits reduced as air is taken away for icing.

Question 13

What happens with the Wing Anti-Ice on the ground if selected on?

Answer 13

Will come on for 30sec then go off to prevent overheat. On again in the air.