3-5

Question 1

Ground Operations:

Engine Cowl anti-ice system must be ON when

Answer 1

OAT is 10C (50F) or below
and
Visible moisture in any form (i.e. fog w/vis. of 1,500 meters (1 mile) or less, rain, snow, and ice crystals
or
operating on runways, ramps or taxiways where surface snow, ice, standing water or slush is present

Question 2

Icing conditions exist in flight at a

Answer 2

TAT of 10C  (50F) or below
and 
visible moisture in any form is encountered (i.e. clouds, rain, snow, sleet or ice crystals)
except
when the SAT is -40C (-40F) or below

Question 3

Flight Operations:

Engine Cowl anti-ice system must be on when

Answer 3

In icing conditions
or
ICE is annunciated by the ice detection system

Question 4

Ground Operations:

Wing anti-ice system must be on for takeoff when

Answer 4

OAT, is 5C (41F) or below
and
visible moisture in any form is present (such as fog with visibility of 1,500 meters (1 mile) or less, rain, snow, sleet and ice crystals.)
or
the runway is contaminated with surface snow, slush or standing water

Question 5

Ground Operations:

Wing anti-ice systems must only be selected ON

Answer 5

just prior to thrust increase for takeoff if Type II or Type IV anti-icing fluids have been applied.

Question 6

Flight Operations:

Wing anti-ice system must be ON when

Answer 6

ICE is annunciated by the ice detection system
or
in icing conditions and the airspeed is less than 230 KIAS

Question 7

Flight Operations:

Do not hold in

Answer 7

Icing conditions with Slats/Flaps extended

Question 8

Supercooled Large Droplet Icing:

Continued operation in areas where

Answer 8

Supercooled large droplet (SLD) icing conditions exist is prohibited

Question 9

Supercooled Large Droplet Icing:

SLD Icing conditions are indicated by

Answer 9

Ice accretion on the flight deck side windows

Leave icing conditions when side window icing occurs.

Question 10

Supercooled Large Droplet Icing:

What must be ON in SLD icing conditions

Answer 10

Wing and Cowl anti-icing systems must be ON