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18 Cards in this Set

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  • Back
What sources are used for anit-icing and de-icing?
Bleed air
Electric
What uses bleed air for ice protection?
Engine heat
3 outboard slats
What uses electric heat for ice protection?
Pitot static system
Windshields
Water lines
Pressurization static port
If an engine fails, does that side receive ice protection?
Yes, the crossbleed valve opens to provide symmetrical ice protection for both wings

The failed engine will not receive heat
How many ice detectors must be working to have ice detection?
One
How long will the anti-icing system remain on after icing is no linger detected?
5 minutes
If ICING on the MCDU is set to OFF and on takeoff roll icing conditions are encountered, will the anti-icing system turn on?
Not until 1700 ft or 2 minutes after takeoff
Can the APU be used to provide bleed air for anti-icing?
No
How is ice detected in flight?
2 ice detectors
Vibrating sensor element that changes frequency when ice builds up around it

Once ice is detected, the sensor is heated to see if icing conditions continue
What happens if there is a single bleed source failure?
The crossbleed automatically opens
How should the MCDU be set if there are icing conditions present on the ground?
ALL
What does selecting ALL on the MCDU provide?
Engine: ON when running
Wing: ON at 40 knots
If ALL is selected, at what point does the anti-icing system become automatic?
1700 AGL or 5 minutes after takeoff
If OFF is selected, at what point does the anti-icing system become automatic?
1700 AGL or 2 minutes after takeoff
How does the failure of one power source affect the windshield heating system?
Ground: inhibited
Flight: Left side heated
When do the smart probes heat?
Engines running
Is there a test for the anti-icing system?
Yes, but only performed by mx
How should the aircraft be configured for deicing?
Bleeds OFF
Stab trim: full nose down
Flaps UP
Engines and APU ON of OFF