Ice and Rain Protection

Question 0

Alternate static ports heated?

Answer 0

Heated to full, probe switches on

Question 1

How many heaters in a pitot static probe?

Answer 1

2-One in the base and one in the head
Head is 1/2 heat on ground, full in flight
Base heat is full in flight only

Question 2

AOA vanes heated?

Answer 2

Heated to full on the ground or in flight,

Probe switches on

Question 3

TAT

Answer 3

Heated to full in flight only regardless of switch position

Not heated on ground

Question 4

14th stage SOV and R&L Cowl anti ice valves

Answer 4

Fail safe open

Question 5

I’ve detector probes

Answer 5

Once picking up ice (changes freq) and heats 5 sec out of every 60

Question 6

Anti Ice switch to NORM

Answer 6

NORM - valves modulate to main 107c

STBY - full open or closed to maitain 49c

Question 7

TEST position of switch on BLEED AIR panel

Answer 7

Checks for continuity of the 14th stage loop and thermal switches

Question 8

Windows and windshield

Answer 8

De-icing of fronts

De-fogging of sides