Anti-Ice And Rain

Question 1

Where are the engine anti-ice (EAI) annunciations found? [8.30.10]

Answer 1

Above the EICAS N1 indication.

Question 2

What happens if an engine anti-ice duct leak is detected? [8.30.10]

Answer 2

The affected engine anti-ice valve automatically closes.

Question 3

With the window heat switches ON, when does window heat operate? [8.30.10]

Answer 3

Window heat operates as soon as electrical power is established.

Question 4

Automatic engine anti-ice is: [8.30.10]

Answer 4

Inhibited on the ground.

Question 5

The “ICING ENG” EICAS message is displayed: [8.30.30]

Answer 5

If ice is detected and one or both engine anti-ice selectors are OFF.

Question 6

The forward windows on the 787 have a window washer function. This system is designed for ground use only. [8.30.10]

True or False?

Answer 6

True.

Question 7

How are all of the flight deck windows heated? [8.30.10]

Answer 7

All of the flight deck windows are heated electrically.

Question 8

EAI may be manually selected ON for ground operation and WAI is inhibited on the ground below 75 knots. [8.30.10]

True or False?

Answer 8

True.

Question 9

When WAI is activated, what surfaces are anti-iced? [8.30.10]

Answer 9

The leading edge slats.

Question 10

Manual engine anti-ice is always available if engine bleed air is available. [8.30.10]

True or False?

Answer 10

True.

Question 11

Which windows have interior anti-fogging? [8.30.10]

Answer 11

Forward windows and side windows.

Question 12

The automatic ice detection system consists of: [8.30.10]

Answer 12

• One icing sensor and one environmental condition probe.
• Two icing condition detector probes.

Question 13

Engine anti-ice provides heat to what area(s)? [8.30.10]

Answer 13

The engine cowl inlet and engine core.

Question 14

The pitot probes are heated only in flight. [8.30.10]
True or False?

Answer 14

False.

Question 15

The TAT probe is heated only in flight. [8.30.10]

True or False?

Answer 15

True.

Question 16

ISFD air data may be unreliable in icing conditions with: [8.30.30]

Answer 16

Loss of center pitot probe heat.

Question 17

If any wing anti-ice mat is inoperative, the entire wing anti-ice mat operation is inhibited. [8.30.10]

True or False?

Answer 17

False.

Question 18

Only the forward flight deck windows have a backup anti-fog protection. [8.30.10]

True or False?

Answer 18

True.

Question 19

Which of the following are true regarding Pack inlet anti-ice. [8.30.10]

Answer 19

Pack inlet anti-ice is controlled by the automatic ice detection system.

Question 20

When and how are the ice detection probes heated? [8.30.10]

Answer 20

Electrically after engine start.

Question 21

Which of the following statements is/are true concerning engine anti-ice? [8.30.10]

Answer 21

• Automatic engine anti-ice is inhibited on the ground.
• Manual engine anti-ice operation is available both on the ground and in flight.

Question 22

All flight deck windows have back up for both, anti-fog (interior) and anti-ice (exterior) window heat. [8.30.10]

True or False?

Answer 22

False

Question 23

During the clean-up cycle, the wing anti-ice system continues to provide electrical power to the heated slats to: [8.30.10]

Answer 23

Clear any residual ice that may have accumulated during icing conditions.