Gulfstream V Training Captain's Questions and Answers
FlightSafety KSAV
- Cockpit Preflight Inspection
- Exterior Preflight Inspection
- APU Starting
- Before Starting Engines
- Bleed Air Panel
- Temperature Control Panel
- Cabin Pressure Control Panel
- Windshield Heat
- Anti Ice Heater
- Windshield Blower
- Cowl and Wing Anti Ice
- Fuel System Panel
- L/R Main Tru
- Cabin Galley Master
- Cabin Window Heat
- PWR XFR Unit (PTU)
- Aux Pump
- Cockpit Light Master Control
- Crank/Start Master
- Side Consoles
- Instrument Panel
- Pedestal
- Engine Ground Start
- After Starting Engines
- Taxi Before Takeoff
PWR XFR UNIT (PTU)
- What activates the PTU when it’s ARMED?
- If the Left Hydraulic System pressure drops below 1500 psi with at least 1 gal of fluid in the left system, and pressure in the right system, the PTU will automatically come ON.
- What is the FLOW rate of the PTU?
- 22 gals per minute.
- What is the TRIP POINT OF an amber L – R HYD RSVR HOT message?
- 104.4° C or 220° F
- What will cause the PTU to shut off automatically?
- If Left System Pressure goes above 1500 psi
- loss of fluid in L or R System
- R HDY RSVR HOT message (Temperature › 104.4° C)
- If the PTU shuts off due to an over heat condition, can it be turned ON?
- Yes, it may be Hard Selected ON
- What does the PTU power?
- Everything that the LEFT HYD System powers, except:
the Left Thrust Reverser,
and the Flight Controls.
AUX PUMP
- What systems does the AUX Pump Power?
- Close the Main Door
- Open or Close the Gear Doors
- NWS and Brakes on the Ground
- Flaps
- Left Rudder / Yaw Damper via the STBY RUDDER Switch in flight.
- Park EMER Brake Accumulator Pressure.
- Which Battery is used to close the Main Door from the outside Door Switch?
- Only the Right Battery, which is hot-wired to the Main Door Switch.
- What is the flow rate of the AUX PUMP?
- @ 2 GPM at 3000 PSI
- What does the AUX Suction Boost Pump do and where is it located?
- Provides a head of pressure to the AUX PUMP whenever the reservoir pressure drops below 20 PSI and shuts off when the pressure goes above 25 PSI.
- It is located in front and on the left side of the # 1 Main Battery in the Tail Compartment.
- What is the maximum temperature of the AUX PUMP?
- 356° F
- Will the AUX PUMP shut OFF if you see an amber AUX PUMP HOT message?
- NO
- When ARMED, what causes the AUX PUMP to come ON Automatically?
- Depressing any brake pedal 10° when L SYS/PTU HYD PRESS is less than 1500 PSI.
- What is the capacity of the AUX HYD Reservoir?
- 2 GALS
- What is the purpose of the AUX PUMP / BRAKE SYSTEM CHECK?
- To check the Automatic latch-ON feature of the AUX PUMP
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