Ice and Rain Protection

Question 1

How does the Ice Detector Probe sequence work?

Answer 1

If ice forms the fiber in the probe stops vibrating.
ICE DETECTED blue status message annunciated for 5 minutes.
AC Electrical power heats probe for one minute.
If additional ice forms during the 5 minutes the status message continues and the cycle repeats.

Question 2

What surfaces have De-Icing capability?

Answer 2

Wings and Tail (horizontal and vertical stabilizers)

Question 3

Hoe long does one complete cycle of the de-ice boots take?

Answer 3

46 seconds.

Question 4

When are the de-ice boots in ‘Slow Mode’?

Answer 4

Below -20C.

Question 5

What is the difference between SLOW and FAST DE-ICE cycles?

Answer 5

Slow-boots start inflation cycle every 3 minutes.

Fast-boots start inflation cycle every 1 minute.

Question 6

What does the ‘SINGLE’ button do for the de-ice boots cycle?

Answer 6

Just cycles them one time.

Question 7

What probes are heated for anti-icing?

Answer 7

1. Ice Detector (AC)
2. PTO and TTO Probes in engine inlet (DC)
3. LH, RH, STBY Pitot Probes (DC)
4. TAT Probe (DC)
5. LH, RH, AOA Vanes (DC)

Question 8

What de-icing is provided for the elevators and rudder?

Answer 8

Horns of the elevators and rudder are anti-iced by electrically heated mats. (AC power)

Question 9

What type of power heats the windows?

Answer 9

AC power