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LIMITATION - Section 1.
25. Utility Pump...........................................................................................ARM/AS REQUIRED
GULFSTREAM AEROSPACE
GIV AIRPLANE FLIGHT MANUAL
SECTION 4
EMERGENCY
PROCEDURES
4-10 FAA APPROVED
31 May 2000
4-07-20: Essential DC Bus Power Failure:
1. Select BATT as power source for Essential DC Bus.
2. Pull left and right Main DC Sense Circuit Breakers (Pilots CB Panel).
3. Standby Electrical Power Switch......................................................................................... ON
4. Standby Electrical Power TRU Switch................................................................................ ON
5. Monitor Battery Ammeters for indication and load shed if required.
NOTE: Steps 1 through 4 cause DU 2 to be unpowered, DU 6 to Red X and the copilots PFD
to autotransfer to DU 5. Selecting NORM-ALT-ALT on the SG reversionary panel
will restore the copilot’s displays to normal. DU 2 will remain unpowered for
remainder of flight.
For Approach and Landing:
NOTE: If Standby Electrical Power is interrupted during following steps, cycle Standby
Electrical Power Switch OFF then ON.
6. Gear Handle ...................................................................................................................DOWN
7. Flaps........................................................................................................ SET FOR LANDING
8. Emergency Batteries ............................................................................................................ ON
9. Ground Spoilers ..................................................................................................................OFF
GULFSTREAM AEROSPACE
GIV AIRPLANE FLIGHT MANUAL
SECTION 4
EMERGENCY
PROCEDURES
FAA APPROVED 4-11
31 May 2000
10. Maintain 67% HP RPM until touchdown.
NOTE: Once the airplane is on the ground, there is no need to continue to maintain 67% HP
RPM. The Standby Electrical System will stay on line during normal taxi maneuvers.
If Standby Electrical Power is interrupted, cycle the Standby Electrical Power Switch
OFF then ON to regain power.
11. DO NOT use Reverse Thrust.
12 On touchdown, manually deploy the flight spoilers at a slow rate (approximately 5 seconds).
13. Use normal braking to stop airplane.
GULFSTREAM AEROSPACE
GIV AIRPLANE FLIGHT MANUAL
SECTION 4
EMERGENCY
PROCEDURES
4-12 FAA APPROVED
31 May 2000
4-07-30: Electrical System - Battery Only Operation:
When any electrical condition requires operation on batteries only, proceed as follows:
1. Essential DC Bus Battery Switch ........................................................................................ ON
2. Battery 1 and 2 Switches...................................................................................................... ON
3. Crossflow........................................................................................................................OPEN
4. Fuel Boost Pumps (One Main Only) ..................................................... ON (All others - OFF)
5. "L or R FUEL PRES LOW" Warning Messages................................................ CHECK/OUT
CAUTION: IMMEDIATE DESCENT TO APU START ENVELOPE (15,000 FT./250 KCAS)
SHOULD BE INITIATED. ATTEMPT MAXIMUM OF TWO (2) THIRTY (30)
SECOND APU START ATTEMPTS. IF APU START IS UNSUCCESSFUL,
MAINTAIN 15,000 FT. MSL OR BELOW (MSA PERMITTING) AND TURN
OFF LAST FUEL BOOST PUMP.
6. Left Power, Right Power, and Auxiliary Power .................................................................OFF
7. All Non-Essential Items......................................................................................................OFF
NOTE: Two (2) DU’s will be powered with batteries only. Consideration should be given to
turning one or both OFF if the situation permits.
8. Utility Pump.............................................................................................OFF/AS REQUIRED
NOTE: The Utility Pump, if left in the ARM position, will run continuously when only Battery
Essential power is available to airplane.
GULFSTREAM AEROSPACE
GIV AIRPLANE FLIGHT MANUAL
SECTION 4
EMERGENCY
PROCEDURES
FAA APPROVED 4-13
31 May 2000
4-09-00: ENGINE FAILURE
4-09-10: Engine Failure:
The procedure for an engine failure is to shut the failed engine down, adjust power on the
operating engine as necessary (See Section 1, LIMITATIONS for T.O. Power and Maximum
Continuous Power) and retrim the airplane for continued flight. Shut engine down when the
following occurs:
1. Engine Fire
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湾4飞机飞行手册AFM Gulfstream IV AIRPLANE FLIGHT MANUAL 1(93)
