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Gulfstream V Training Captain's Questions and Answers

 FlightSafety KSAV

This is a Series of Questions and Answers, which should be used for TRAINING PURPOSES ONLY. The purpose of the GV Training Captain’s Questions is to provide the GV Type Applicant with an enhanced understanding of the Gulfstream V Systems. The scope of these questions will cover the GV, using the Expanded Normal Procedures Checklist as a Question Guide.

COCKPIT PREFLIGHT INSPECTION

How many Emergency Batteries are there?

four (4)

Where are they located?

L – R EER’S, AFT of REER, BEER

What is their rating?

Batt. - 24 VOLTS @ 9 amp hour / TR mode – 28 VOLTS @14 amp hour

How are they charged?

Left is charged by the Left Standby AC Bus
Right is charged by the Right Standby AC Bus
Forward is charged by the Left Main AC Bus
AFT is charged by the Right Main AC Bus

What do the EBATTS power?

Left E Batt AIU # 1, (Audio Interface Unit) COMBINED WOW IRS 1 & 3 SDD) LT SENSOR DISPLAY DRIVER PILOT’S ACP (Audio Control Panel) RFMU #1 CLOCK #1, #2 RMI / COMPASS STBY ALT / AIRSPEED STBY INSTR PWR (LIGHTS) RIGHT E BATT CKPT LTS MSTR CNTRL

Right E Batt IRS #2 L/R FUEL QTY RFMU LDG GEAR CNTRL / IND ATC #1 NAV RCVR # 1

Forward E Batt FWD OVER WING MID OVER WING AFT OVER WING UNDER WING

Rear E Batt FWD OVER WING MID OVER WING AFT OVER WING UNDER WING

What minimum battery voltage will cause the E BATTS to come on?

‹ 20 VDC

Which E BATT controls the landing gear?

Right E BATT

What is the minimum main battery voltage? 

22 VDC

What is the minimum main battery voltage that would require a deep cycle recharging?

7 volts

If the batteries actually fell to 20 volts, how long would it take to fully recharge the batteries?

90 minutes

What is the minimum Parking Brake Accumulator pressure? 

1200 psi @ 70° F

Why do we need to select EMER STAB ARM to set the Flaps to 10° with just the batteries?

Because the stab electrical actuator is power by the L – R STANDBY AC BUS. With just battery powering the AUX HYD Pump, and Flap Control are powered by L ESS DC, the Flaps will start to move and will then stop because the FLAP / STAB computer will detect a miscompare and stop the movement of the FLAPS. By selecting EMER STAB ARM, we electrically disconnect the STAB from the FLAP / STAB computer allowing the flaps to move by AUX HYD and DC Power alone.

Other than the RFMU, where are two other places can we check FUEL quantity with just battery power?

1. Select Normal Alt Alt and select FUEL SYSTEM SYNOPTIC PAGE on Pilot’s NAV display
2. Examine the fuel quantity of the REMOTE REFUELING SYSTEM (on GROUND SERVICE CONTROL PANEL) and add up total quantity of L – R Fuel tank for total quantity.

What is the minimum oxygen quantity for dispatch? 

1800 psi

What 3 items will illuminate the BATTERY Capsule Lights?

1. When L – R Batteries are powering the L – R ESSENTIAL DC BUS
2. When the AUX HYD PUMP IS ON
3. During APU Start