Ice and Rain Protection

Question 1

How many icing detection probes?

Answer 1

2 probes on fwd fuselage

Question 2

Can WAI be operated on the ground?

What is the primary method used for WAI? (Anti-iced or de-iced)

Answer 2

No

Can be used as a de-iced or anti-iced, but primarily used in-flight as a de-icer.

Question 3

What is the max speed for opening the flight deck side windows?

Answer 3

Vref + 80 kts.

Question 4

When should the beacon be used?

Answer 4

From just before engine start to just after engine shutdown.

Question 5

What is the backup system to the window heat?

Answer 5

A backup anti-fogging system for the forward windows operates automatically if the primary window heat system fails

Question 6

What is the requirement for using engine anti ice on the ground?

Answer 6

OAT 10°C or less

And visible moisture or snow, ice or slush or water is on the ramp and taxiways
Best answer: “Icing conditions”. FCOM 16.2 and 16.4

Question 7

When do you need to do an engine run-up before take off (GE)?

Answer 7

When engine anti-ice is required and the OAT is 3°C or below

Question 8

What is the run up procedure?

Answer 8

If your asked this, look it up in the supplementary section.

When engine anti-ice is required and the OAT is 3°C or below, do an engine run up, as needed, to minimize ice build-up.

Use the following procedure: Check that the area behind the airplane is clear. Run-up to a minimum of 50% N1 for approximately 1 second duration at intervals no greater than 60 minutes.

Question 9

What is the difference between wing and engine anti ice in flight?

Answer 9

After 2 cycles EAI comes on, after 10 cycles WAI comes on when in auto.