Ice & Rain Protection

Question 1

What subsystems does ice and rain protection include?

Answer 1

Wing & stab anti-ice, engine anti-ice, ADSP/TAT heating, windshield heating, windshield & rain protection

Question 2

When may icing conditions exist?

Answer 2

Whenever OAT on the ground/takeoff or TAT in flight is 10*C or less and visible moisture in any form is present.

Question 3

Where can performance data and limits for ops in icing conditions be found?

Answer 3

In the performance section and/or Optimized Performance Analyzing software (OPERA)

Question 4

When may the ICE SPEED RESET position on the ICE PROTECTION MODE knob be selected?

Answer 4

Only if the crew is certain that there is no ice accretion on the plane.

Question 5

What does the ICE SPEED RESET do?

Answer 5

Resets the stall protection (LSA bands) to non-icing condition settings and removes the STALL PROT ICE SPEED message

Question 6

When is the APU icon and associated flow line on the ice protection synoptic page displayed?

Answer 6

On the ground only

Question 7

Can the APU bleed icon and associated flow line on the ice protection synoptic page be displayed?

Answer 7

Yes, Ground only

Question 8

Can the APU bleed be used as a bleed source for ice protection?

Answer 8

No, except for ground tests

Question 9

How does the Engine anti-ice system protect the engine inlets from ice formation?

Answer 9

By extracting hot air from the engines

Question 10

How can the wing and horizontal stab ice prot systems test be initiated?

Answer 10

Hit the TEST button on the ice protection panel

Question 11

How many ice detectors do we have and where are they?

Answer 11

2, one each side of nose section

Question 12

How does the windshield heating system provide protection?

Answer 12

Electrical heating

Question 13

When may the windshield heating system operate in power saving mode?

Answer 13

If the system is fed by a single engine.

Question 14

Will windshield heat work off the batteries?

Answer 14

No

Question 15

How are the ADSP/TAT probes heated?

Answer 15

Electrically

Question 16

Will the Anti-Ice system monitor icing conditions and automatically activate in all flight phases?

Answer 16

Yes

Question 17

Whenever the xbleed is closed and the right bleed source is not available, the anti ice system is in…?

Answer 17

Single bleed operation

Question 18

Max altitude for single bleed anti-ice ops?

Answer 18

20,000ft

Question 19

Whenever the xbleed is closed and the left bleed is unavailable, the anti-ice system is…?

Answer 19

Inop

Question 20

List the 3 ICE PROTECTION MODE knob settings/temps for takeoff

Answer 20

ENG: visible moisture 5-10C
ALL: temp is lower than 5*C with visible moisture
AUTO: for all other conditions

Question 21

If the MODE knob is set to ALL for takeoff, when will you see the white A-I WINGSTAB message go from ARMED to ON?

Answer 21

Wheel speed greater than 30kts

Question 22

When the Ice Prot Mode knob is in AUTO and the detector recognizes the icing conditions, at what point will anti-ice be activated in flight?

Answer 22

When the plane is above 1,700ft agl or 2 min in the air, whichever is first.

Question 23

When will the wing and stab anti-ice system automating turned off after the plane leaves icing conditions?

Answer 23

After 2 min

Question 24

When must the ICE PROTECTION ALL tables be used for unfactored landing distances?

Answer 24

If the STALL PROT ICE SPEED message is displayed