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19 Cards in this Set
- Front
- Back
Where is bleed air used for ice protection? |
Engine Inlets and Wings |
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Where is electricity used for ice protection? |
- ADSP - Windshield - Water Lines |
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Engine Cowl A/Ice source? |
10th stage (HP) Bleed air |
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Windshield wiper in TIMER postion? |
8 second intervals |
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What is the fail safe position for the engine bleed valve? |
Fails Open |
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What leading edges are anti-iced? |
all 3 outboard leading edges |
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Can the APU provide bleed air for the anti-ice system? |
no |
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How long are the anti-ice valves commanded open for when ice is detected in flight? |
5 minutes |
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REF A/I Modes of operation
"OFF" |
a/ice valves inhibited closed until 1700 agl or 2 mins after takeoff. |
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REF A/I Modes of operation
"ENG" |
- only engine valves kept open after engine start
- wing valves inhibited until 1700 agl or 2 mins after lift off |
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REF A/I Modes of operation
"ALL" |
- Engine valves open after engine start
- wing valves auto open when wheel speed is greater than 40kts (so you don't cook the a/ice fluid) |
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Windshield heat on one AC source in flight? |
only left window is heated |
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When does the wing anti-ice system perform a self test? How long is it? |
10000' or 10 mins after t/o, whichever occurs first
max 60s duration |
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Will the wiper operate on a dry windshield? |
system logic will cause the wiper to stop |
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When do the smart probes heat? |
when the engine is running |
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is there a test for the anti-ice system? |
yes, but maintenance performs that test |
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How should the a/c be configured for de-ice? |
Refer to QRH
Bleed - OFF Packs - OFF Stab trim - full nose down Flaps - UP (or 2 if left down after landing due to contamination Engines and APU - ON or OFF |
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Does the Tail have any ice protection? |
No |
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What is the ice detector cycle? |
60s |