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Phenom Info > Icing Protection and Procedures > Flashcards

Icing Protection and Procedures Flashcards

1
Q

What is the purpose of Active Ice Protection Systems?

A

Increase temperature of local areas

Chemically reduce freezing point of precipitation

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1
Q

What are the two types of ice protection systems?

A

Active
Passive

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2
Q

What is the purpose of Passive Ice Protection systems?

A

Separate precipitation from the main airstream and divert away

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3
Q

How are active ice protection systems categorised?

A

Active systems may be categorised as either anti-icing or de-icing.

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4
Q

How does Anti-Icing work?

A

Anti-icing systems prevent the formation of ice in critical areas

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5
Q

How does De-Icing work?

A

De-icing systems work to remove ice which has already formed.

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6
Q

What is the purpose of Ice and Rain protection systems?

A

Remove the ice formed on the wing and the horizontal stabiliser leading edges. Bleed air is routed from both engines to the wing de-icers and to the horizontal stabiliser pneumatic de-icers

Remove or prevent ice formation around the engine inlet cowls, using bleed air from the related engine

Prevent ice formation on the aircraft sensors. Pitot probes, static ports, and the AoA (Angle of Attack) sensors are heated electrically

Remove ice, frost, fog, or rain from the windshield. The windshield heating system uses electrical heaters and the windshield rain protection uses a rain repellent coating applied to the windshield external surface

Provide the pilot and the co-pilot with a way to inspect the aircraft against icing while flying at night. There is one lamp installed on the left fuselage that shines onto the left wing for visible ice detection

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7
Q

What does DC Bus 1 supply?

A

Windshield 1 Channel 1
Windshield 2 Channel 2
Eng 1 anti-ice valve
WINGSTAB de-ice timer
Wing Inspection Light
AOA 1 Heater
PITOT 1 Heater
STATIC PORT 1A and 2B

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8
Q

What does DC Bus 2 Supply?

A

Windshield 1 Channel 2
Windshield 2 Channel 1
Eng 2 anti-ice valve
Eng 2 Inlet Heater
AOA 2 Heater
PITOT 2 Heater
STATIC PORT 1B and 2A.

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9
Q

What does the Emer Bus supply?

A

Eng 1 Inlet Heater
STBY ADS PITOT-STATIC Heater.

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10
Q

What is included on the Ice Protection panel?

A

Windshield Heating 1 and 2
Air Data System/Angle of Attack heating
Engine ice protection, switches for both engines
Wingstab ice protection
Inspection light

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11
Q

How does the engine anti icing work?

A

Engine Anti-Icing (EAI) system supplies hot air from the engine to its inlet cowl to prevent ice forming on the inlet lip

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12
Q

What does the Engine Anti Icing System consist of?

A

Supply ducting
EAI valve
Venturi limiter
Transducer
Piccolo tube
Exhaust vents

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13
Q

When will the A-I E1 (2) FAIL message appear?

A

With the engine running, if the transducer reads a pressure equal to or less than 25 PSI

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14
Q

What does the Windshield Anti Icing System consist of?

A

Four independent subsystems (two for each windshield)
Two sub-systems are controlled by one Windshield Heater Control Unit (WHCU)

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15
Q

What do the Windshield subsystem consist of?

A

Temperature controller channel
Windshield heater element
Windshield temperature sensors for overheat and control to each assembly

16
Q

How does the airframe de-icing system operate?

A

Removes ice formed on the wing leading edges
Removes ice formed on the horizontal stabiliser leading edges
Supplies the de-icer boots with compressed air for inflation
Extracts air from the de-icer boots creating a vacuum (deflation)
Operates to a timed cycle of inflation and deflation to dislodge formed ice

17
Q

What considerations must be taken with Wingstab on?

A

Lower stall warning angles and higher stall warning speeds are applied and the CAS message SWPS ICE SPEED is displayed on the PFDs

18
Q

What is the MAX take-off/landing altitude in icing?

A

10000 ft

19
Q

What is the MIN temp for landing in icing?

A

-33 °C

20
Q

What is the MIN temp for WING/STAB ops

A

-40 °C

21
Q

What is the MIN airspeed (flaps and gear up) in Ice and Rain

A

150 KIAS

22
Q

When must you turn the ENG switches ON (visible moisture)

A

<=10 °C

23
Q

When must you turn SHLDS and WING/STAB (visible moisture)

A

<5 °C

24
Q

When MUST Engine ice protection be used in conjunction with the other aircraft ice protection systems?

A

If the TAT is between 5 °C and 10 °C with visible moisture (ENGINE only)
If TAT is below 5 °C with visible moisture (ENGINE and AIRFRAME)

25
Q
A

Phenom Info (35 decks)

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