Ice and Rain

Question 1

Max Alt WAI ON

Answer 1

FL410

Question 2

Max Alt WAI ON Single Bleed

Answer 2

FL350

Question 3

Max Alt Single WAI system

Answer 3

FL350

Question 4

In Auto WAI operates up to what FL

Answer 4

FL350
Manual no limit

Question 5

WAI valves maintain to what temp

Answer 5

130 F +/- 5F
During warm up may see 150 F

Question 6

What air supplies WAI

Answer 6

7th with 4th, high set temp of 630F

Question 7

What air supplies CAI

Answer 7

4th stage

Question 8

In Auto CAI operates up to what FL

Answer 8

FL350
Manual no limit

Question 9

EVS widow heat in Auto turns on

Answer 9

When ice detected cycles heat
Gear handle UP - 1 min ON / 7 mins OFF
Gear handle DOWN - ON continuously

Question 10

EVS widow heat in Man turns on

Answer 10

for 5 mins

Question 11

4 Multifunction probes heat in Auto

Answer 11

 On Ground
* After first engine start
* Below 60 kts - heated to 150 C
* Above 60 kts - Full heat
 Airborne
* Full heat

Question 12

TAT probes heat in Auto

Answer 12

 On Ground
* Below 100 kts - OFF
* Above 100 kts - Full heat
 Airborne
* Full heat

Question 13

WAI Synoptic colours Blue

Answer 13

less than 100 F

Question 14

WAI Synoptic colours Green

Answer 14

100 F to 180 F

Question 15

WAI Synoptic colours Amber

Answer 15

above 180 F
o Amber inhibited for 2 mins on gnd / 4 mins in flight after Auto selected On

Question 16

Ice Detector

Answer 16

3 minute of not detecting any ice, the ICE DETECTED message extinguishes.
3 minutes after no ice detection, the cowl anti-ice turns off.
5 minutes after no ice detection, the wing anti-ice turns off.

Question 17

WAI on before T/O

Answer 17

2 mins but prefer 4 mins