03 - Anti-Ice, Rain

Question 1

ANTI-ICE, RAIN
1. Which Flight Deck windows are heated?

Answer 1

• L/R number 1 window, controlled by FWD WINDOW HEAT switch
• L/R number 2 window, controlled by SIDE WINDOW HEAT switch

Question 2

ANTI-ICE, RAIN
2. What happens if an overheat condition is detected in windows L1/R1 or L2/R2?

Answer 2

Power is automatically removed from the window heat system and the OVERHEAT light illuminates for the respective window

Question 3

ANTI-ICE, RAIN
3. The Engine Anti-Ice System uses engine bleed air to prevent ice formation on which part(s) of the engine?

Answer 3

Engine cowl lip
Engine core

Question 4

ANTI-ICE, RAIN
4. What does the green TAI indicate above the N1 indicator?

Answer 4

Engine TAI is in use. The valve is open and supplying bleed air to the cowl with the ENG ANTI-ICE switch ON

Question 5

ANTI-ICE, RAIN
5. What does an amber TAI indicate above the N1 indicator?

Answer 5

That the cowl anti-ice valve disagrees with the ENG ANTI-ICE switch position for more than 8 seconds

Question 6

ANTI-ICE, RAIN
6. What causes the ENG ANTI-ICE light to illuminate?

Answer 6

• The associated cowl TAI has been inhibited due to a system failure, or
• Engine core anti-ice valve has failed in the closed position

Question 7

ANTI-ICE, RAIN
7. What causes the COWL ANTI-ICE light to illuminate?

Answer 7

An over pressure condition in the associated duct downstream of the engine cowl anti-ice valve

Question 8

ANTI-ICE, RAIN
8. The Wing Anti-Ice System uses engine bleed air to prevent ice formation on which part(s) of the wing?

Answer 8

The 3 inboard leading edge slats

Question 9

ANTI-ICE, RAIN
9. How does wing anti-ice affect stall logic?

Answer 9

Stick shaker and minimum maneuver speeds are increased for the remainder of the flight

Question 10

ANTI-ICE, RAIN
10. What occurs if wing anti-ice is used during takeoff?

Answer 10

When thrust levers are advanced for takeoff, the wing anti-ice valves will close automatically. At liftoff, the WING ANTI-ICE switch will trip OFF to match valve position

Question 11

ANTI-ICE, RAIN
11. Which parts of the aircraft are electrically heated?

Answer 11

• Pitot tubes,
• AOA vanes,
• TAT probe
• 4 windshields