Term
When does Rudder SYS 1 automatically shutoff?
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Definition
| Speed greater than 135 kts. Reduces rudder authority at high speed. |
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Term
| With Rudder SYS 1 automatically shutdoff and Rudder SYS 2 fails, what happens? |
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Definition
| Rudder SYS 1 comes back online and an EICAS message is displayed |
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Term
| When would you see the EICAS message RUDDER OVERBOOST? |
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Definition
| If neither Rudder SYS shuts down past 135 kts |
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Term
| When would Rudder Hardover Protection activate? |
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Definition
- Force on any pedal > 130 lbs; and
- Rudder deflected > 5o to opposite side; and
- Both engines running (N2 > 57%)
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Term
| Is Rudder Hardover Protection inhibited with one engine operating? |
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Definition
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Term
What does this button do?
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Definition
| Closes HYD SOV. Engine Hydraulic Pump still runs, just valve is closed. |
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Term
What happens when this knob is selected OFF?
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Definition
| Electric Hydraulic Pump is switched off |
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Term
What happens when this knob is selected AUTO?
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Definition
Electric Hydraulic pump turns on if:
- Hydraulic pressure falls below 1600 psi; or
- N2 < 57%
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Term
What happens when this knob is selected ON?
[image] |
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Definition
| Electric Hydraulic Pump turns on |
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Term
| At what pressure would you see the HYD SYS 1 (2) FAIL message? |
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Definition
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Term
| How much pressure does the engine driven hydraulic pump provide? |
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Definition
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Term
How much pressure does the electrical hydraulic pump provide?
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Definition
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Term
| When would you see the E1 (2) HYD PUMP FAIL message? |
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Definition
- Hydraulic pressure < 1600 psi; or
- N2 < 57%
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Term
| When would you see the HYD 1 (2) LO QTY message? |
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Definition
| Hydraulic reservoir < 1 liter |
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Term
| What is the hydraulic reservoir capacity? |
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Definition
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Term
| What is the difference between hydraulic system 1 and 2? |
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Definition
| Hydraulic system 1 has a priority valve |
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Term
| What is the purpose of the priority valve? |
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Definition
| It prioritizes flow of hydraulic fluid to the flight controls when the landing gear is actuated with the electric pump running |
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Term
| Why is it necessary to prioritize fluid when only the electric pump is operating? |
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Definition
| Less volume of fluid is pumped by the electric pump |
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Term
| What happens when you pull the landing gear free fall lever? |
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Definition
- Gear uplocks are mechanically released
- Landing hydraulic pressure is relieved
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Term
| What happens when the electric gear override switch is selected GEAR/DOORS? |
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Definition
| The Landing Gear Electronic Unit is bypassed |
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Term
| When is the DOME light connected to the HOT BATTERY BUSS? |
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Definition
| When courtesy lights are AUTO |
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Term
| When are the FSTN BELTS and NO SMKG passenger signs turned on automatically? |
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Definition
| When the passengers O2 units open |
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