Ice and Rain Protection

Question 0

When is cowl anti-ice required to be ON during ground operations?

Answer 0

OAT less than 10C in visible moisture conditions (fog with visibility 1SM or less,
Rain, snow, sleet, ice crystals
OAT less than 10C on contaminated ramps, taxiways or runways

Question 1

What source of heating for wing and cowl anti-ice?

Answer 1

6th or 10th stage bleed air

Question 2

When is cowl anti-ice required to be ON during flight?

Answer 2

TAT less than 10C in visible moisture (Clouds, rain, ice sleet or ice)
Except when SAT is less than -40C
Or when ice is annunciated

Question 3

When is wing anti-ice required ON during ground operations?

Answer 3

OAT less than 5C in visible moisture
OAT less than 5C on contaminated runways
If type II, III or IV deicing fluid has been applied select wing anti-ice ON just prior to thrust increase for takeoff

Question 4

When is wing anti-ice required to be ON during light operations?

Answer 4

TAT less than 10C in visible moisture with airspeed less than 230 KIAS except when SAT is less than -40C, or when ice is annunciated

Question 5

What is a good ICE detector test indication?

Answer 5

ICE caution message, the ICE switch light illuminated

ADS HEAT TEST OK advisory message

Question 6

What is the purpose of the Wing A/I cross bleed switch?

Answer 6

To allow the bleed air form one engine to anti-ice the opposite wing

Question 7

What occurs with the Windshield Heat on LOW?

Answer 7

All 4 panels are heated to 24C

Question 8

What occurs with the Windshield Heat on High?

Answer 8

Side windows are heated to 24C and both windshields are heated to 41C