Ice Protection Flashcards

1
Q

The window heat control switches control heating to the:

A

Forward windshield only (FCOM 3.20.4, 3.10.3)

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2
Q

Probe heat supplies heat to:

A
  • 4 pitot-static probes
  • 2 angle of attack probes (engine operating)
  • 2 TAT (FCOM 3.20.4)
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3
Q

WHAT WILL HAPPEN IF THE ENGINE 1 NACELLE ANTI-ICE SWITCH IS ON AND THE VALVE REMAINS CLOSED?

A

Anti ice valve remains closed.

EICAS Nacelle Anti ice Valve 1 MSG.

Valve light illuminates (FCOM 3.20.1)

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4
Q

WHEN DO THE TAT PROBES RECEIVE ANTI-ICING PROTECTION?

A

In flight (FCOM 3.20.4)

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5
Q

WHAT DOES THE EICAS ADVISORY MESSAGE HEAT P/S F/O MEAN?

A

Heater on the FO Pitot static side is not powered (FCOM 3.30.1)

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6
Q

WHAT HAPPENS WHEN THE FIRST OFFICER’S WINDSHIELD AIR SWITCH IS ON?

A

Anti-fogging air flow from the flight deck conditioned air supply to right windshield (FCOM 3.20.4)

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7
Q

If the EICAS msg HEAT R TAT is displayed on the ground, power is being applied to the right TAT probe. True or False

A

TRUE (FCOM 3.30.1)

TAT probe heat is failed,

or on the ground, TAT probe is heated

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8
Q

WHEN SHOULD WING ANTI-ICE BE USED ON THE GROUND?

A

Never (FCOM SP.16.7 The wing anti-ice system may be used as a de-icer or anti-icer in flight only.)

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9
Q

WHAT DOES THE EICAS ADVISORY MESSAGE HEAT L TAT MEAN?

A

L TAT probe heat is failed or on the ground TAT probe is heated. (FCOM 3.30.1)

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10
Q

WHICH IS TRUE WITH THE NACELLE ANTI-ICE SWITCHES ON?

A

All of these:

nacelle anti-icing valves open

Green EICAS nacelle anti ice msg

Approach idle (FCOM 3.20.1)

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11
Q

WHAT IS REQUIRED TO PREVENT WING DAMAGE AFTER LANDING, WITH THE WING ANTI-ICE SWITCH OFF, AND THE EICAS WAI VALVE RIGHT MESSAGE DISPLAYED?

A

Bleed duct on respective side needs to be isolated. ENGINE BLEEDs switch off (affected side), ISLN valve switch off (right) (QRH page 119)

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12
Q

HEAT FOR WHICH WINDOWS IS CONTROLLED BY THE WINDOW HEAT SWITCHES?

A

Front only (Right or Left - CAPT or F\O switches) (FCOM 3.20.4)

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13
Q

WHAT DOES THE EICAS MESSAGE HEAT FOLLOWED BY THE NAME OF THE PROBE MEAN?

A

Probe heat has failed, unpowered probe (FCOM 3.30.1)

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14
Q

WHEN IS THE EICAS ADVISORY MESSAGE WAI VALVE LEFT DISPLAYED?

A

valve is not in the commanded position. (FCOM 3.30.1)

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