Ice and Rain

Question 1

How many boots are there per wing?

Answer 1

5

Question 2

How many boots are there on the horizontal Stabiliser?

Answer 2

4

Question 3

How long do boots remain inflated?

Answer 3

6 seconds

Question 4

What is the difference between slow and fast boots?

Answer 4

Fast: dwell 24 seconds
Slow: dwell 204 seconds

Question 5

what happens if the boots are selected off during cycle?

Answer 5

It will finish the cycle then switch off.

Question 6

What is the difference between >-10 and

Answer 6

> -10, the heater will be on for 10 seconds

Question 7

Can the prop be heated on the ground?

Answer 7

no, the PSEU prevents it, unless the test switch is held with RPM>900

Question 8

What are the wrap around heaters powered by?

Answer 8

28VDC

Question 9

What do the wrap around heaters heat?

Answer 9

Deice Ejectors
water drains
check valves
rear fuselage restrictor

Question 10

What are the stall warning, pitot and static vent heaters powered by?

Answer 10

28VDC on the ground

115VAC in the air

Question 11

What are the windshields powered by?

Answer 11

115VAC

Question 12

What does the PLT WDO/HT heat do?

Answer 12

heats captains side window

Question 13

Can the elevator horns be heated on the ground?

Answer 13

no, the PSEU prevents it, unless the test switch is held

Question 14

What is the engine intake heater powered by?

Answer 14

115VAC and only operates if selected and temperature below 10deg

Question 15

What other heating do we have apart from the engine intake heater?

Answer 15

Splitter heater, heated by engine oil. Can only takeoff in icing if oil temp above 40 deg

Question 16

At what temperature do the wrap around heaters turn on?

Answer 16

15 deg