Wing Anti-Ice System

Question 1

Wing Anti-Ice Ground

Answer 1

OAT 5’C or below:

during final taxi

Question 2

GROUND OPS

When must the wing anti-ice system be selected ON during final taxi prior to t/o?

Answer 2

If the OAT is 5’C or below (Unless Type 2, Type 3, or Type 4 fluids applied)

Question 3

During single engine taxi, what is the definition of “final taxi prior to t/o”?

Answer 3

The period after the second engine is started

Question 4

GROUND OPS

Which two wing anti-ice caution messages may be posted during taxi but verified out prior to t/o?

Answer 4

L WING A/I
or
R WING A/I

Question 5

Which wing anti-ice advisory message may be posted prior to t/o?

Answer 5

WING A/ICE ON

Note: If not req’d, select WING A/ICE OFF prior to t/o

Question 6

Why should you avoid operating the thrust reversers during taxi on wet or contaminated surfaces?

Answer 6

To prevent wing contamination from reverse jet blast.

Question 7

When must you select the wing anti-ice system ON for t/o?

Answer 7

OAT is 5’C or below and:

• visible moisture below 400’ AGL, or
• wet or contaminated rwy, or
• in the presence of any precip

Question 8

What else must be selected ON if the wing anti-ice is selected ON for t/o?

Answer 8

Cowl anti-ice system ON.

Question 9

When do you select wing anti-ice system ON after applying Type 2, 3, or 4 fluids?

Answer 9

Just prior to thrust increase on t/o

Question 10

When must the wing anti-ice system be ON?

Answer 10

1. When ICE annunciated by ice detection system, or
2. In icing conditions AND less than 230 KIAS

Icing Conditions:
TAT of 10’C or below AND visible moisture present, except when SAT is -40’C or below