Ice And Rain

Question 1

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

Answer 1

OAT less than or equal to 10°C in visible moisture (fog w/visibility 1 sm or less, rain, snow, sleet,ice crystals), OAT less than or equal to 10°C on contaminated ramps, taxiways, or runways.

Question 2

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

Answer 2

TAT is less than or equal to 10°C in visible moisture (such as clouds, rain, snow, sleet,ice crystals), (except when SAT is less than or equal to -40°C) or when ICE is annunciated

Question 3

When is WING anti-ice required to be ON during GROUND operations ?

Answer 3

OAT less than or equal to 5°C in visible moisture (fog w/visibility 1 sm or less, rain, snow, sleet,ice crystals), OAT less than or equal to 5°C on contaminated ramps. 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

What is a good ICE test indication?

Answer 4

ICE caution message, the ICE switch light illuminated, ADS HEAT TEST OK advisory message. (ADS-Air Data Sensor)

Question 5

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

Answer 5

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

Question 6

What occurs with the windshield heat on LOW?

Answer 6

All four panels are heated to 24°C

Question 7

What occurs when windshield heat is set to HIGH?

Answer 7

Side windows are heated to 24°C. The front are heated to 41°C

Question 8

What is the source of heating for WING and COWL anti-ice?

Answer 8

6th or 10th stage bleed air

Question 9

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

Answer 9

TAT is less than or equal to 10°C in visible moisture (such as clouds, rain, snow, sleet,ice crystals) with airspeed LESS than 230 KIAS EXCEPT when SAT is less than or equal to -40°C, or when ICE is annunciated

Question 10

Setup cockpit for approach

Answer 10

FMS
Radios
V-speeds
MDA