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Beechcraft B200 King Air > Anti/Deice > Flashcards

Anti/Deice Flashcards

1
Q

Surface Deice components

A

Wing leading edges
Tail leading edges
Circuit Breaker
Three position toggle switch

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2
Q

Surface Deice operation:

A

Single cycle
-6 seconds of wind inflation and 4 secs on tail

Manual Mode
-All boots inflate as long as you hold the switch

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3
Q

What action should be taken if the boots don’t deflate?

A

Pull the CB

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4
Q

Minimum A/S in icing conditions

A

140 kias

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5
Q

Minimum temp for boot operation:

A

-40F/C

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6
Q

Optimum ice accumulation for boot operation:

A

1/2 to 1” thickness

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7
Q

Brake Deice Operation

A

Hot P3 air is routed into brake assembly. Temp hottest during t/o and climb.
Turn system on during climb out, if system does not automatically turn off after 10 minutes, move toggle switch to OFF

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8
Q

What does the Brake deice circuit breaker provide power to?

A

Brake deice valves
BRAKE DEICE light
10 minute timer

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9
Q

What is the biggest single user of P3 air on the King Air?

A

The brake deice!

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10
Q

Brake deice limitations:

A

Do not operate above 15C

Rudder boost may not operate during brake deice operation

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11
Q

Automatic Prop Deice:

A

Power shows on prop ammeter
Changes sides every 90 secs
Watch for changes in amps

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12
Q

Manual Prop Deice:

A

Works when you HOLD the switch up
Doesn’t show on the prop ammeter
Power draw reads on load meters

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13
Q

Pitot heat

A

Do not run on ground

Switch circuit breakers

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14
Q

Stall Warning

A

Heated vane assemblies
Switch circuit breaker

On ground, the left safety switch reduces amount of heat generated

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15
Q

Windshield Deice

A

Norm: entire windshield heated
HI: only from straight ahead to outer side heated

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16
Q

Fuel Vents (2)

A

Flame arrestor incorporated to prevent ignition source from being ingested

17
Q

Air Intake Anti-Ice

A

Prevents buildup of ice on intake lips

Automatic using exhaust gas

18
Q

Ice Vanes

A

Engines are susceptible to FOD damage, engine anti-ice is ALWAYS on (extended) on ground.

  • Ice vanes should be extended in visible moisture below 5C
  • Monitor Oil Temp, may rise
19
Q

Ice vane extension/retraction time

A

12 seconds, if annunciator shows, give additional 12 seconds

20
Q

Ice vane manual extension

A

Pull ICE VANE CONTROL CB
Reduce airspeed to 140-160
Pull manual extension handle

21
Q

Windshield wipers

A

Two speed system
OFF- coast to position
PARK-returns to upright position

DO NOT USE ON DRY WINDSHIELD

22
Q

Auto-ignition

A

Attempts immediate relight if engine flames-out

23
Q

When does the auto-ignition system activate?

A

When torque drops below 400ft/lbs

Beechcraft B200 King Air (16 decks)

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