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25 Cards in this Set
- Front
- Back
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Main and emergency brake accumulators are pressurized at...
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1000
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Pressure maintaining valve traps...
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2300
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Normal hydraulic pressure
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3000
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When does the PMV close?
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2300
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Before engine start, what should be displayed on the emergency brake accumulator?
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1750
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What operates the hydraulic supply valve?
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HP Cock handle
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Where is the AUX HYD reservoir?
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Nose wheel well
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What does the AUX HYD switch do?
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Releases baulk
Isolates from main system Isolates from dump line |
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What would 2300 on the hydraulic pressure gauge indicate?
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A leak above the PMV
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What is the purpose of the PMV?
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Maintain 2300psi for normal braking with anti skid and stick pusher
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What does a protruding differential pressure indicator on the pressure filter indicate?
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Clogged filter, mx must be called
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What does the Aux Hyd system operate?
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Landing gear extension and flap movement
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What does the AUX HYD LO LEVEL light mean if the gear is being hand-pumped down?
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Normal indication, at least 1/2 pint of fluid has been pumped from the aux hyd reservoir
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What does the hydraulic system operate?
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Nosewheel steering
Landing gear Flaps Airbrakes Stick pusher Normal/Emergency brakes Thrust reversers |
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What would a red nose gear annunciator on the ground indicate?
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Nose gear doors are not latched
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What prevents landing gear retraction on the ground?
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Solenoid operated pawl engaging the selector handle
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When does the nose gear mechanical indicator protrude from the center pedestal?
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The nose wheel is down and locked
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When do the wheel brake lights illuminate?
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More the 1000 psi applied to wheels with brake lever in EMERG or PARK
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Nosewheel turning range
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45 degrees
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When will the gear warning horn sound?
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N1 <65%
Speed <150 kts |
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Minimum brake cooling times after rejected takeoffs
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25 minutes after 1
45 minutes after 2 |
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When is anti skid provided?
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Wheel speed at least 4 kts
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What provides brake pressure in the PARK position?
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Normal and Emerg brake accumulators
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What does the EMRG BRAKE LO PRESS light mean?
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Emerg brake accumulator is <2250 psi
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Brakes applied gauge is powered by
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PS1
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