How are the flight deck windows heated?

Electrically via Window Heat Control Units (WHCU)

Pneumatically via hot bleed air

What component performs window overheat detection and power control?

WHCU (Window Heat Control Unit)

WTCU (Window Thermal Control Unit)

What does the amber OFF light on the window heat panel mean?

No power is being supplied to the window

What causes the amber OVERHEAT light to illuminate?

Window exceeds temperature limit

What action resets an OVERHEAT condition in window heat?

Switch OFF momentarily, then ON again

Hold the switch in test for 10 sec

What does PITOT HEAT A control?

Captain’s, left elevator, left alpha, and TAT

Captain’s, right elevator, left alpha, and TAT

First officer’s, left elevator, right alpha, and TAT

What is the function of the OVHT/PWR TEST switch?

Simulates power and overheat for windows 1 and 2

What makes the aspirated TAT probe unique?

Uses engine bleed air to simulate ambient temperature even on ground

Uses electric fans to draw in air

Heats up to simulate icingHeats up to simulate icing

What is the purpose of the windshield wiper system?

Clear rain/sleet/snow from cockpit windows

What happens if wipers are used on dry windows?

Scratches glass and damages coating

What should be used to clean hydrophobic coatings?

50% isopropanol with distilled water

Which system uses WHCU to manage window heat?

Control cabin windows No. 1 and 2

What does WATDAI refer to?

Water and Toilet Drain Anti-Ice

Wing and Tail Deicing Arrangement

What does WTAI stand for?

Windshield Heating Control Unit

There are two types of TAT probes available:

Rossmount type probe and Aspirated type probe.

Rossmount type probe and Warm type probe

Vane type probe and Aspirated type probe

Where is the TAT located?

Is on the L/T side of the forward fuselage.

Is on the R/T side of the forward fuselage.

Is on the C/T side of the forward fuselage.

What are the 2 air data probe systems?

PITOT A, PITOT PROBE ANTI-ICING SYSTEM.

What kind of anti-ice system does the TAT probe use?

It uses electric power and resistance type heating elements to warm the probe.

It uses electric power and heating elements to warm the probe.

It uses bleed air and resistance type heating elements to warm the probe.

What are the 3 types of anti.ice?

Cowl thermal anti-ice, Thermal anti-ice, Wing thermal anti-ice.

Cowl thermal anti-ice, Thermal anti-ice, Wind thermal anti.ice.

Cold thermal anti-ice, System anti-ice, Wing thermal anti-ice.

What are the characteristics to improve the visión in heavy rains?

Windshield wipers, Hydrophobic (rain repellent) coatings.

Wing wipers, Hydrosystemc (rain repellent) coatings

Windshield wipers, Hydrophobic (rain static) system.

The control cabin window anti-icing system.

The control pitot anti-icing system.

The control heating window anti-icing system.

In which part of the aircraft are located the anti-ice and rain systems?

Wing ice protection, Engine air intake ice protection, probe ice protection, windshield ice and rain protection, etc.

Wing ice protection, APU air intake ice protection, static probe ice protection, windshield ice and rain protection, etc.

Wing ice protection, Engine air intake ice protection, air data probe ice protection, windshield ice and rain protection, etc.

AVION TIPO p2

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AVION TIPO p2

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What does PITOT HEAT B control?

What is the purpose of the ice and rain protection system?

Which system uses pneumatic de-icing?

Which probes are heated electrically?

Where is the main control panel for anti-icing located?

What does the abbreviation TAI stand for?

What does CTAI refer to?

How are the flight deck windows heated?

Which windows are monitored by thermal switches only?

What component performs window overheat detection and power control?

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