Anti-Ice/Rain

Question 1

AUDIO

Answer 1

AUDIO

Question 2

NAI: AUTO (On Ground)

Answer 2

System OFF. When NAI valve is open following a landing, it remains on until engine shutdown.

Question 3

NAI: AUTO (In Flight)

Answer 3

NAI operates in response to ice detection.

Question 4

NAI: ON

Answer 4

• Valve Opens - Ignitors operate continuously - PRV opens

Question 5

3 times PRV won’t open for NAI activation?

Answer 5

• Bleed Air Overheat - Start Valve not closed - HP bleed valve failed open

Question 6

WAI: AUTO (In Flight)

Answer 6

Open valves in flight with ice detection if: - Leading edge flaps retracted

Question 7

WAI: AUTO (On Ground)

Answer 7

Inhibited

Question 8

WAI: ON (On Ground)

Answer 8

Inhibited

Question 9

WAI: ON (In Flight)

Answer 9

Valves OPEN regardless of flap position by only effective if flaps are retracted.

Question 10

WAI Valve Light (Amber)

Answer 10

Either WAI valve position disagrees with switch position.

Question 11

NAI Valve Light (Amber)

Answer 11

Respective NAI valve position disagrees with switch position.

Question 12

How are flight deck windows heated?

Answer 12

Electrically

Question 13

FWD flight deck windows anti-ice avail?

Answer 13

De-ice and De-fog

Question 14

Flight deck side windows anti-ice avail?

Answer 14

De-fog only.

Question 15

Do window heat switches control heat for side windows?

Answer 15

NO

Question 16

Flight deck side window heating is supplied? When is it powered?

Answer 16

Automatically. Powered w/ AC electric system is powered.

Question 17

What happens if fault or overheat of fwd/side window heat occurs?

Answer 17

Power is disconnected INOP Light on Switch

Question 18

How do you reset system after a fault/overheat of window heat?

Answer 18

Push window heat switch to turn OFF for 10 seconds, then back ON.

Question 19

Where is windshield washer reservoir?

Answer 19

Behind door in book storage of captain side panel.

Question 20

When are anti-ice probes (AOA, Pitot/Static/TAT) heated?

Answer 20

When any engine is running. TAT on in flight.

Question 21

How many ice detectors and location?

Answer 21

Two, on forward fuselage

Question 22

If NAI req’d but bleed valve closed, is air supplied?

Answer 22

YES, via the IP bleed

Question 23

How many pitot-static probes and how are they heated?

Answer 23

4 probes, electrically heated w/engines running

Question 24

How many AOA probes and how are they heated?

Answer 24

2 probes, electrically heated w/engines running