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Anti-ice, Rain > Anti-ice, rain > Flashcards

Anti-ice, rain Flashcards

1
Q

What is heated with Pneumatic air?

A
  • Engine Cowl lip

- Leading edge slats

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2
Q

What is heated with electrical power?

A
  • Pitot probes
  • Alpha vanes
  • Temperature probes
  • Elevator pitot probes
  • Flight deck windows
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3
Q

How are the inlet cowl valves controlled/operated?

A

Electrically/pneumatically

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4
Q

What does selecting the ENG ANTI-ICING reconfigure?

A
  • The Electronic Engine Control (EECs) resets engine speed to approach idle
  • The stall warning logic adjusts stick shaker and minimum maneuver speed bars on the airspeed indicator
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5
Q

What does the bright blue COWL VALVE OPEN annunciator mean?

A
  • The valve is in transit

- The valve position disagrees with the related switch position

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6
Q

What indications are present when the Cowl Anti-Ice valves are fully open

A
  • Dim COWL VALVE OPEN blue annunciators

- Green TAI (thermal anti-ice) displays on the N1 gauges

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7
Q

What is the indication if the COWL VALVE fails open with the switch off?

A
  • Bright blue COWL VALVE OPEN annunciator

- Amber TAI indication in the N1 gauge

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8
Q

What will be the indication if there is an overpressure down stream of the Cowl Anti-Ice duct?

A

An amber COWL ANTI-ICE light

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9
Q

How are the Wing Anti-Ice valves operated?

A

2 AC motor operated valves

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10
Q

What is the maximum temperature for operation of Wing Anti-Ice?

A

10 C

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11
Q

Will the stall warning logic reset after WING ANTI-ICE has been selected on? Why?

A

No, the entire wing is not heated

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12
Q

What cockpit windows are not heated?

A

L/R 3

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13
Q

What is the indication that the cockpit windows are being heated?

A

A green ON light above the cockpit window switches

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14
Q

How do you test the window heat system if the green ON lights are not illuminated?

A

Select the PWR TEST switch

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15
Q

When will the OVERHEAT lights illuminate?

A
  • When the temperature of the window exceeds a pre-determined limit
  • When electric current is interrupted to that widow
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16
Q

What happens when the OVERHEAT light illuminates?

A

The current to that window is automatically stopped

17
Q

What should you see in a widow overheat test?

A
  • All OVERHEAT amber annunciator lights illuminate

- All ON green annunciator lights extinguish

18
Q

How do you reset the WINDOW HEAT system?

A

Turn off all of the WINDOW HEAT switches and turn them all back on again

19
Q

Are the static ports heated?

A

No

20
Q

What does PROBE HEAT A power?

A
  • Captain’s PITOT PROBE
  • L ELEVATOR PITOT PROBE
  • L ALPHA VANE
  • TAT probe
21
Q

What does PROBE HEAT B power?

A
  • FO PITOT PROBE
  • R ELEVATOR PITOT PROBE
  • R ALPHA VANE
  • AUX PITOT PROBE

Anti-ice, Rain (1 decks)

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