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EMERGENCY
PROCEDURES
4-56 FAA APPROVED
31 May 2000
4-21-00: OVERHEAT/HOT CONDITIONS
4-21-10: Engine Overheat:
For engine overheat (L-R ENGINE HOT Red Warning message on CAS and associated warning
tone), proceed as follows:
1. Engine Bleed.........................................................................................OFF (Affected Engine)
2. Power Lever................................................................................. RETARD (Affected Engine)
If engine overheat message is extinguished, continue operating with reduced engine power.
If light persists, immediately proceed as follows:
3. HP Fuel Cock...................................................................................................................SHUT
NOTE: If High Pressure Fuel Cock lever is jammed and cannot be closed, PULL Fire Handle.
4. Power and Trim ...............................................................................................AS REQUIRED
5. Gear and Flaps .................................................................................................AS REQUIRED
6. ENGINE FAILURE/SHUTDOWN IN-FLIGHT Checklist .................................COMPLETE
CAUTION: FIRE EXTINGUISHER SHOULD NOT BE USED FOR ENGINE OVERHEAT
WARNING ALONE. IF SUBSEQUENT FIRE WARNING RESULTS,
INITIATE ENGINE FIRE PROCEDURE. AN ENGINE MUST NOT BE
RESTARTED AFTER AN OVERHEAT WARNING. CLOSELY OBSERVE
APPROPRIATE ENGINE FIRE WARNING LIGHT.
NOTE: If HP Fuel Cock was closed, but visual, aural, or TGT/RPM checks indicate a condition
that could lead to further damage; the Fire Handle should be Pulled.
GULFSTREAM AEROSPACE
GIV AIRPLANE FLIGHT MANUAL
SECTION 4
EMERGENCY
PROCEDURES
FAA APPROVED 4-57
31 May 2000
4-21-20: Pylon Hot:
A "Pylon Hot" message indicates a pylon temperature which may result in damage to the pylon.
Accomplish the following checklist:
1. Appropriate Bleed Air Switch ............................................................................................OFF
2. Isolation Valve............................................................................................. CHECK CLOSED
3. Descend to 41,000 ft. or below
If message persists or returns, shut down respective engine and land as soon as possible.
GULFSTREAM AEROSPACE
GIV AIRPLANE FLIGHT MANUAL
SECTION 4
EMERGENCY
PROCEDURES
4-58 FAA APPROVED
31 May 2000
4-21-30: Aft Equipment Hot:
The AFT EQUIPMENT HOT message indicates high temperatures exist in the tail compartment
which may be caused by a ruptured pneumatic duct or fire.
1. Identify Faulty Side
NOTE: High TGT, high fuel flow, low EPR, or abnormal (low) bleed pressure may indicate
faulty side.
2. Appropriate Bleed Air Switch ............................................................................................OFF
3. Isolation Valve............................................................................................. CHECK CLOSED
4. Descend to 41,000 ft. or below
If message persists or returns:
5. Emergency Descent ............................................................................................COMMENCE
Below 15,000 ft. MSL
6. Passenger Oxygen Masks ...................................................................... DEPLOY, If Required
7. Opposite Bleed Air Switch .................................................................................................OFF
NOTE: This will result in loss of cabin pressurization.
8. If message persists, land airplane as soon as possible.
GULFSTREAM AEROSPACE
GIV AIRPLANE FLIGHT MANUAL
SECTION 4
EMERGENCY
PROCEDURES
FAA APPROVED 4-59
31 May 2000
4-21-40: Converter Overheat:
Illumination of "L or R CONV HOT" amber Caution message with associated tone:
1. Electric Master LEFT or RIGHT Power.............................................................................OFF
If message extinguishes:
2. Electric Master LEFT or RIGHT Power.............................................................................. ON
NOTE: Converter operation should be monitored for remainder of flight. At any sign of
unusual operation or heavy load, turn Electric Master LEFT or RIGHT PWR - OFF.
The light will remain ON until the temperature of the converter is reduced. If overheat
condition recurs, turn the overheated converter OFF for remainder of flight and proceed
with ALTERNATOR/CONVERTER FAILURE - SINGLE procedure, Section 3.
If below 15,000 ft., it is recommended that the APU be started as a source of
supplemental electrical power. See Section 3, APU IN-FLIGHT OPERATION -
ALTERNATE ELECTRICAL POWER SOURCE.
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湾4飞机飞行手册AFM Gulfstream IV AIRPLANE FLIGHT MANUAL 1(107)
