Praetor Ice and Rain Protection

Question 1

What sub-systems does ice and rain protection include?

Answer 1

Wing and stabilizer anti-ice systems;engine anti-ice systems, ADSP/TAT heating system; windshiled heating system and windshield and rain protection systems

Question 2

When may icing conditions exist?

Answer 2

Whenever OAT on the ground or for takeoff or TAT in flight is 10 degrees celsius or below and visible moisture in any form is present

Question 3

Where can performance data/limits for operations in icing conditions be found?

Answer 3

In the performance section and/or OPERA

Question 4

When may the ICE SPEED RESET position on the ICE PROTECTION panel be selected?

Answer 4

In accordance with the checklist, only if the crew is certain that there is no ice accretion on the airplane

Question 5

What does the ICE SPEED RESET position on the ICE PROTECTION MODE do?

Answer 5

It resets the stall protection (LSA bands) to non-icing condition settings and removes the STALL PROT ICE SPEED CAS message

Question 6

When is the APU icon and associate flow line on the ICE PROTECTION synoptic page displayed?

Answer 6

On the ground only

Question 7

Can the APU bleed be used as a bleed source for ice protection?

Answer 7

No, except for ground tests

Question 8

How does the Engine Anti-Ice system protect the engine air inlets from ice formation?

Answer 8

By extracting hot air from the engines

Question 9

How does the Wing and Stabilizer Anti-Ice System protect the wing and stabilizer leading edges from ice formation?

Answer 9

It uses hot air from the pneumatic system

Question 10

How can the Wing and Horizontal Stabilizer Ice Protection Sytems test be initiated?

Answer 10

By pressing the ice protection TEST button on the ICE PROT panel

Question 11

How many ice detectors are on the airplane and where are they located?

Answer 11

Two; left and right side of the nose section

Question 12

How does the Windshield Heating System (WHS) protect the windshield from ice and fog formation?

Answer 12

It uses electrical power to heat the windshield

Question 13

When will the WHS operate in power savings mode?

Answer 13

If the airplane system is fed by a single DC source

Question 14

Does the WHS operate if the system is fed by battery power?

Answer 14

No

Question 15

How are the ADSP/TAT probes heated?

Answer 15

Electrically

Question 16

Will the Anti-Ice system monitor icing condition and automatically activate in all phases of flight?

Answer 16

Yes

Question 17

Whenever the XBLEED is closed and the right bleed source is not available, the anti-ice system is in?

Answer 17

Single Bleed Operation

Question 18

What is the maximum operating altitude for anti-ice single bleed operations?

Answer 18

20,000 ft

Question 19

Whenever the XBLEED is closed and the left bleed source is not available, the anti-ice system is?

Answer 19

Inoperatice

Question 20

List the 3 ICE PROTECTION MODE knob settings/temperatures for takeoff

Answer 20

ENG if the visible moisture is between 5C and 10C with visible moisture; ALL if the temperature is lower than 5*C with visible moisture; AUTO for all other conditions

Question 21

If the MODE knob is in ALL for takeoff, when will the white A-I WINGSTAB ARMED CAS message go to white A-I WINGSTAB ON?

Answer 21

When the TLA is greater than 59 degrees and the wheel speed is greater than 30kts

Question 22

When the ICE PROT MODE knob is in the AUTO position and the ice detector recognizes the icing condition, at what point will the ice protection system be activated in flight?

Answer 22

Whenever the airplane is above 1700 feet AGL or 2 minutes whichever occurs first

Question 23

When will the wing and stabilizer anti-ice system automatically be turned off after the airplane leaves icing conditions?

Answer 23

Two minutes after icing is no longer detected