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SECTION 4
EMERGENCY
PROCEDURES
FAA APPROVED 4-7
31 May 2000
All essential AC and DC Bus powered equipment is available when using Standby Electrical
Power System. Among the items available:
Pilot’s PFD Standby Engine Instruments
DU 3 (SG 2 and 3 - ALT) Standby Warning Panel
COMM No. 1 (or No. 3, as bused) Standby Fuel Qty Indicator
NAV No. 1 and DME No. 1 Wing/Cowl Anti-ice
ADF No. 1 Pressurization
ATC No. 1
(Transponder)
Cockpit/Cabin Temp Control (SN 1120
and subs. and airplanes with ASC 170)
Display Controller No. 1 Main Fuel Boost Pumps
FMS No. 1 and IRS No. 1 Cross Flow Valve
Both DBDI’s Intertank Valve
Both Clocks Tone Generator
ISDU (or 3rd Nav Unit) Pilot’s and Standby Pitot Heat
DADC No. 1 Air Start Ignition
FGC-1 (Turn Knob Inop) Fire Detection/Protection
Flight Director Both FWC’s (FWC 1 only on SPZ 8000 airplanes)
Pitch Trim AOA No. 1
Yaw Damper Aux Hydraulic Pump
All Bus Controllers Flaps and Flap/Stab Indicator
Left Windshield Wiper
Upon descent for approach and landing, replace Standby Electrical Power with APU/Auxiliary
Power, when altitude permits, as follows:
NOTE: Normal Hydraulic Landing Gear operation and landing with the Standby Electrical
Power system as a source of electrical power is approved as long as the Auto Ground
Spoilers and Thrust Reversers are NOT used. Refer to LANDING WITH STANDBY
ELECTRICAL POWER SYSTEM OPERATING procedure - Appendix C.
GULFSTREAM AEROSPACE
GIV AIRPLANE FLIGHT MANUAL
SECTION 4
EMERGENCY
PROCEDURES
4-8 FAA APPROVED
31 May 2000
11. Descend to 15,000 ft. or lower; slow to a maximum speed of 250 KCAS
NOTE: To ensure sufficient battery strength, it is recommended that descent to 15,000 ft. and
start of the APU be accomplished within ten (10) minutes, if the Standby Electrical
Power system cannot be used during the descent.
12. APU Fire Warning........................................................................................................CHECK
13. APU Master ......................................................................................................................... ON
14. APU Oil Press Light ............................................................................................................ ON
15. APU Start Button.............................................................................................................PUSH
CAUTION: A MAXIMUM OF TWO (2) THIRTY (30) SECOND APU START ATTEMPTS
WILL ENSURE TWENTY (20) MINUTES OF BATTERY-ONLY OPERATION.
ADDITIONAL START ATTEMPTS WILL REDUCE BATTERY-ONLY
OPERATING TIME. IF UNABLE TO START APU AND STANDBY
ELECTRICAL POWER SYSTEM IS NOT AVAILABLE, PROCEED TO
ELECTRICAL SYSTEM - BATTERY ONLY OPERATION PROCEDURE,
THIS SECTION.
IF APU CANNOT BE STARTED OR APU ALTERNATOR CANNOT BE USED
TO POWER THE BUSES, REMAIN ON STANDBY ELECTRICAL POWER
THROUGHOUT DESCENT AND APPROACH. DO NOT CONTINUE
CHECKLIST. AT CREW’S DISCRETION, THE LANDING MAY BE
ACCOMPLISHED BY TURNING OFF STANDBY ELECTRICAL POWER
AND USING BATTERY POWER ONLY FOR LANDING OR THE CREW
MAY ELECT TO LAND WITH STANDBY ELECTRICAL POWER
OPERATING.
16. Auxiliary Power................................................................................................................... ON
17. Essential AC Bus AUTO Switch.....................................................................................PUSH
18. Standby Electrical Power E-INVERT Switch ....................................................................OFF
19. Essential DC Bus AUTO switch......................................................................................PUSH
GULFSTREAM AEROSPACE
GIV AIRPLANE FLIGHT MANUAL
SECTION 4
EMERGENCY
PROCEDURES
FAA APPROVED 4-9
31 May 2000
20. Standby Electrical Power TRU Switch...............................................................................OFF
21. EPMP Auxiliary AC and DC Percent Loads ................................................................CHECK
22. Fuel Boost Pumps (Both MAINS)....................................................................................... ON
23. Crossflow....................................................................................................................CLOSED
24. Standby Electrical Power Switch........................................................................................OFF
NOTE: If the 100% load limit is exceeded on the APU alternator (AUX PWR on the EPMP) or
on the Transformer-Rectifier (AUX PWR on EPMP), turn off equipment as required to
bring loads within limits. See APU ALTERNATOR ELECTRICAL LOAD
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湾4飞机飞行手册AFM Gulfstream IV AIRPLANE FLIGHT MANUAL 1(92)
