Ice and Rain Protection

Question 1

Icing conditions in flight exist when RAT is _____________ and visible moisture in nay form is present

Answer 1

+10 C or colder

Question 2

Icing conditions on the ground exist with an OAT or RAT _________ …. (precip. found on aircraft surfaces)

Answer 2

+10 C or colder

Question 3

The ______________ must work when flying into known or forecasted icing conditions at night

Answer 3

wing icing inspection

Question 4

All anti-ice and de-ice system systems must be ON in flight when operating in icing conditions except:

Answer 4

• Tail de-ice must be off when RAT is below -35 C
• wing and engine anti-ice systems may be operated in the ENG ONLY position when SAT is below -40 C if it can be visually verified that no ice is accumulating

Question 5

Anti-ice should be on for ground operations but is prohibited to be on for ________ after ground engine start to ensure RAT is accurate for T/O. In case it was turned on, anti -ice must be turned off for __________ before turning it back on

Answer 5

1 min; 2 min

Question 6

What temp. can you not operate deice boots?

Answer 6

-35 C

Question 7

Not operating ___________ may result in amber ENGINE CNTRL L/R due to ice accumulation on engine Tt2 probe

Answer 7

engine anti-ice

Question 8

Min. engine N2 speed for effective anti-icing_____________

Answer 8

75% N2

Question 9

Min. airspeed for sustained flight in icing conditions (excpet for T/O, APP, and LDG) is_______________

Answer 9

180 KIAS

Question 10

In icing conditions, operating the airplane at other than flaps 0 and LDG gear up for an extended period of time (except APP and LDG) is__________________________

Answer 10

prohibited