Anti-Ice & Rain

Question 1

Where is SAT observed on flight deck?

Answer 1

FMC PROG PG 2

Question 2

If ENG START Selector is in AUTO, what happens when ENGINE ANTI-ICE is selected ON?

Answer 2

Selected ignitor(s) operate continuously

Question 3

ENG ANTI-ICE is supplied from what air source?

Answer 3

ENG LP* Air via PRV

*HP Air may be used if LP inadequate

Question 4

Indication of EAI activation?

Answer 4

TAI below N1 gauge

Question 5

What area of wing does WING A/I protect?

When is it inhibited?

Answer 5

Last 3 Slats

ON GND*

*both VALVE lights will illume when landing in icing conditions with WING ANTI-ICE on.

Question 6

When are probe heaters powered?

Answer 6

Any time an engine is running.

*TAT probes are only heated in air.

Question 7

How are all flight deck windows heated?

Protections?

Answer 7

• Electrically
  
  • FWD: ANTI-ICE + ANTI-FOG
  • SIDE: ANTI-FOG ONLY*

*shed during fuel jettison

Question 8

SIDE WINDOWS shed for what?

Answer 8

FUEL JETTISON

Question 9

VALVE Light

Answer 9

anti-ice valve fails to open or close and disagrees with respective switch position

*L/R ANTI-ICE message on EICAS

Question 10

ICE DET light

Answer 10

ice detector system has failed

Question 11

ICING light

Answer 11

Engine/wing icing detected with:

engine or wing anti-ice manually selected OFF

or

anti-ice valve is closed