Anti-Ice / Rain Systems

Question 1

Wind shield wiper INT position: ____ second intermittent operations

Answer 1

Wind shield wiper INT position: 7 second intermittent operations

Question 2

If you turn wing Anti-ice On in the air:

Answer 2

• Valves are open, stick shaker logic is set for icing conditions
• Shaker logic remains set for icing conditions for the remainder of the flight (not the same on engine anti ice)

Question 3

Window Heat:

unfinished

Answer 3

• Conductive heating on the outer glass pane of window 1 and 2 permits electrical heating to prevent ice build-up and fogging
• Conductive coating on the inner glass pane of the window 3 permits electrical heating to prevent fogging

FWD WINDOW HEAT: window number 1
SIDE WINDOW HEAT: window 2 and 3

Question 4

Wing Anti-Ice System

Provides protection to_______ using ________

What is not included in the wing anti-ice system?

Answer 4

Provides protection to the three inboard leading edge slats using bleed air

Does not include the leading edge flaps or the outboard leading edge slats

Question 5

Wing Anti-Ice System

Wing anti-ice control valves are ________ operated.

Answer 5

Wing anti ice control valves are AC motor-operated

Question 6

Wing Anti-Ice System

Wing anti-ice is effective with slats in _______ position.

Answer 6

Effective with slats in any position

Question 7

Wing Anti-Ice System

Wing anti-ice is effective with slats in _______ position.

Answer 7

Effective with slats in any position

Question 8

Wing Anti-Ice ON on the ground:
When are the valves open:

When are the do valves Close:

When does the switch trip off?

Answer 8

When are the valves open:
- if thrust on both engines is below takeoff warning setting and temp inside both distribution ducts is below thermal switch activation temp.

When are the do valves Close:

• Either engine thrust is above takeoff warning setting of thermal switch is activated in either duct, switch remains on
• Switch trips OFF at lift-off