Ice

Question 1

Where is the engine anti-ice (EAI) annunciation is displayed?

Answer 1

The engine anti-ice (EAI) annunciation is displayed above the EICAS N1 indication.

Question 2

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

Answer 2

The affected engine anti-ice valve automatically closes.

Question 3

With the window heat switches ON, when does window heat operate?

Answer 3

Window heat operates as soon as electrical power is established.

Question 4

When will the “ICING ENG” EICAS message be displayed?

Answer 4

The ICING ENG message will be displayed if ice is detected & one or both anti-ice selectors are off.

Question 5

Automatic Engine Anti-Ice is:

Answer 5

Inhibited on the ground.

Question 6

The forward windons on the 787 utilize a hydrophobic coating for rain repellent.

Answer 6

B. False

Question 7

How are all of the flight deck windows heated?

Answer 7

All of the flight deck windows are heated electrically.

Question 8

Which of the following statement(s) are true about the operation of the WAI and EAI systems?

Answer 8

EAI may be manually selected for ground operation and WAI is inhibited on the ground below 75 kts.

Question 9

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

Answer 9

The four mid-wing leading edge slats on each wing

Question 10

When is automatic WAI operation inhibited?

Answer 10

Momentarily for up to 30 seconds during high electrical load periods.

Question 11

EAI is required for ground operation when which of the following conditions are present?

Answer 11

EAI must be ON during all grounds operations if icing conditions exist or are anticipated.

Question 12

When can engine anti-ice be operated manually?

Answer 12

On the ground or in flight..

Question 13

Which windows are heated for anti-ice protection?

Answer 13

Forward windows only.

Question 14

An “OVERHEAT WING” EICAS message appears if ____.

Answer 14

A. A wing anti-ice pad overheat conditions is detected.

Question 15

The automatic ice detection systems consists of______.

Answer 15

Two ice detector probes

Question 16

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

Answer 16

The engine cowl inlet and engine core.

Question 17

What commands operation of the wing and engine anti-ice in the AUTO mode?

Answer 17

The automatic ice detecion system.

Question 18

When are the pitot tubes heated?

Answer 18

A. In flight

B. On the ground with either engine operating

Question 19

When is the TAT probe heated?

Answer 19

A. In flight only

Question 20

ISFD air data may be unreliable in icing conditions with:

Answer 20

Loss of center pitot probe heat.

Question 21

If any wing anti-ice mat is inoperative, the opposite wing anti ice mat operation is inhibited.

Answer 21

A. True

Question 22

Is automatic wing anti-ice available on the ground?

Answer 22

Yes, if speed is greater than 75kts.

Question 23

When is automatic ice detection available?

Answer 23

A. In flight.

C. On the ground above 75 kts.

Question 24

All flight deck windows have a backup electrical power source.

Answer 24

B. False

Question 25

Pack inlet anti-ice:

Answer 25

A. is controlled by the the automatic ice detection system
B. is inhibited on the ground
C. is inhibited when TAT is above 10 C.

Question 26

When and how are the ice detection probes heated?

Answer 26

Electrically after engine start.

Question 27

Which of the following statements is true concerning engine anti-ice?

Answer 27

A. Automatic engine anti-ice is inhibited on the ground.

B. Manual engine anti-ice operation is available both on the ground or in flight.