Study Guide-Anti-Ice Panel

Question 1

1-When do you use engine anti-ice?
2-Any exceptions?

Answer 1

1 -When OAT (ground)/TAT (flight) is 10 C or below with visible moisture present, or when standing water, slush, ice or snow is present on the taxiways or runway.
-Prior to and during descent in icing conditions (including temp below -40C SAT).
2 -During climb and cruise when the temp is below -40C SAT.

Question 2

What does a FAULT light in the ENG ANTI ICE pb indicate?

Answer 2

Switch/anti-ice valve in disagreement.

Question 3

With ENG ANTI ICE ON what indications will you see on the pb?

Answer 3

Blue ON light on.

Question 4

Can you use the wing anti-ice on the ground?

Answer 4

No

Question 5

What happens if you turn the Wind Anti-ice switch on the ground?

Answer 5

The wing anti-ice valves will open for a 30 sec test.

Question 6

What part of the wing is heated?

Answer 6

Outboard 3 slats.

Question 7

Can you use the APU bleed for wing anti-ice?

Answer 7

No

Question 8

What does the amber FAULT light in the wing anti-ice pb indicate?

Answer 8

-Position of the anti-icing control valve is not in the required position.
-Low pressure is detected.

Question 9

In what position do the Wing and Engine Anti-Ice valves fail if the electrical power is lost?

Answer 9

Wings- valve close
Engines- valves open