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2. Speed Brake...........................................................................EXTENDED (AS NECESSARY)
3. Thrust Reversers........................................................................USE MAXIMUM INITIALLY,
GRADUALLY DECREASING ON FAILED
GEAR SIDE FOR DIRECTIONAL CONTROL
4. Brakes.......................AS NECESSARY FOR DIRECTIONAL CONTROL AND STOPPING
5. Unsafe Gear.............. RELIEVE WEIGHT WITH AILERONS AND THRUST REVERSERS
GULFSTREAM AEROSPACE
GIV AIRPLANE FLIGHT MANUAL
SECTION 4
EMERGENCY
PROCEDURES
4-48 FAA APPROVED
31 May 2000
ONE MAIN GEAR ONLY DOWN AND LOCKED
If only one main gear is extended, retract gear and perform an all gear up landing. Touchdown
on runway centerline. When aft fuselage contacts runway surface, gently lower nose to runway,
immediately shut down both engines with Fire Handles, select APU Master OFF, and select
batteries OFF. Maintain directional control with rudder.
BOTH MAIN GEAR RETRACTED NOSE GEAR DOWN AND LOCKED
If unable to extend and lock down both main gear, retract nose and perform all gear up landing.
Touchdown on runway centerline. When aft fuselage contacts runway surface, gently lower nose
to runway, immediately shut down both engines with Fire Handles, select APU Master OFF, and
select batteries OFF. Maintain directional control with rudder.
GULFSTREAM AEROSPACE
GIV AIRPLANE FLIGHT MANUAL
SECTION 4
EMERGENCY
PROCEDURES
FAA APPROVED 4-49
31 May 2001
4-20-00: LANDING, STOPPING AND EVACUATION
4-20-10: Overweight Landing:
If landing at a weight in excess of Maximum Landing Weight is unavoidable, proceed as follows:
1. Plan to land on the longest available runway.
2. See Performance Section for landing field length requirements.
NOTE: Airplane Flight Manual Landing Field Length Data, Performance Section, for
overweight landings are predicted data and have not been verified by field performance
test.
3. Minimize sink rate and crab at touchdown.
4. During landing rollout, maximum authorized reverse thrust should be used.
5. Report overweight landing for appropriate maintenance inspections.
CAUTION: TIRE SPEED LIMITATIONS WILL BE EXCEEDED IF TOUCHDOWN IS
MADE IN EXCESS OF 182 KNOTS GROUND SPEED. (195 KNOTS GROUND
SPEED WITH ASC 190 AND SN 1214 AND SUBSEQUENT).
NOTE: For airplanes SN 1156 and subs. and airplanes SN 1000 thru 1155 with ASC 118, the
overweight landing inspection may not be required if the recorded landing vertical
acceleration is within limits. Refer to the GIV Operating Manual or the GIV
Maintenance Manual for additional information.
GULFSTREAM AEROSPACE
GIV AIRPLANE FLIGHT MANUAL
SECTION 4
EMERGENCY
PROCEDURES
4-50 FAA APPROVED
31 May 2000
4-20-20: Ditching:
1. No tests or actual ditching have been made. The following procedures will improve the
chances of a successful ditching.
2. Plan the descent and ditching to ensure minimum fuel remaining, but ample fuel aboard to
make controlled power-on.
3. At approximately 2000 ft., make an appraisal of sea surface conditions and choose a ditching
heading. The ditching heading should be parallel to and on the highest crest of the dominant
wave pattern.
4. Check that all passengers have donned life vests and are cautioned not to inflate them until
they have evacuated the airplane.
5. Check that all passengers have seat belts fastened. Distribute pillows, coats, and blankets,
with instructions to passengers to place these items in front of their faces prior to impact. All
loose items are to be collected and stowed in the lavatory prior to ditching. Instruct all
passengers to remove shoes, loosen neckwear and collars, and adjust seat upright. All
available fluids, food, flashlights and first-aid kits should be readied for removal.
6. Ditching configuration is landing gear up, wing flaps 39°, with final approach speed 1.3 VS
(VREF).
7. Establish a rate of descent of approximately 200 ft. per minute.
8. Depressurize cabin by use of ram air, manually shut outflow valve, and silence landing gear
warning horn by pulling tone warning circuit breakers or selecting minimum tone volume for
SPZ 8400 equipped airplanes.
NOTE: Ensure Cabin Differential Pressure is zero prior to entering the water.
GULFSTREAM AEROSPACE
GIV AIRPLANE FLIGHT MANUAL
SECTION 4
EMERGENCY
PROCEDURES
FAA APPROVED 4-51
31 May 2000
9. Power levers should be closed, airplane rotated to normal landing attitude (airspeed
approximately 1.25 VS), slightly nose up, and contact made with water with minimum
forward speed and at minimum sink rate.
NOTE: At water entry, expect the airplane attitude to be approximately 7 to 8 degrees nose up.
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湾4飞机飞行手册AFM Gulfstream IV AIRPLANE FLIGHT MANUAL 1(105)
