曝光台 注意防骗
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in the fire test section of overhead panel, and by the Red EICAS message (ENG FIRE LOOP
ALRT) with associated tone. Re-test the system. If system does not check, the loop has failed
and fire indication is genuine; execute engine fire checklist. If system does check, the loop
warning is false; disable the faulty loop.
SINGLE FIRE TEST LOOP LIGHT
Lighted Fire Test Switch/Light ............................................................................................. PRESS
1. Warnings illuminate,
A. Fire Test Switch ................................................................................................RELEASE
B. Faulty loop with fault switch on FIRE DETECTION panel ..............................DISABLE
2. Warnings DO NOT illuminate,
A. Fire Test Switch ................................................................................................RELEASE
B. ENGINE FIRE Checklist ..............................................................................COMPLETE
GULFSTREAM AEROSPACE
GIV AIRPLANE FLIGHT MANUAL
SECTION 4
EMERGENCY
PROCEDURES
4-38 FAA APPROVED
31 May 2000
4-15-00: FLIGHT CONTROLS SYSTEM
4-15-10: Flight Controls Considerations:
The Combined and Flight Hydraulic Systems provide hydraulic pressure for the primary flight
controls (ailerons, flight spoilers, elevators, and rudder). Loss of either system has no effect on
operation of flight controls. If both the Combined and the Flight Hydraulic Systems fail, the
flight controls revert to manual operation. Pulling the FLIGHT POWER SHUTOFF handle will
shut off pressure to ailerons, flight spoilers, ground spoilers, elevator, and rudder.
Although the airplane has been demonstrated capable of safe operation at speeds up to VMO/MMO
when operating in the manual reversion mode, it is recommended that airspeed be maintained
below 250 KCAS and altitude below 25,000 ft., if practical, in order to avoid airplane control
difficulties due to high control forces and corresponding slow airplane response. Flight attitude
changes (Pitch, Roll, and Yaw) should be held to minimum angles consistent with safe flight.
Turns and evasive maneuvers must be anticipated with sufficient time to allow for slow airplane
response. If either the Combined or Flight Hydraulic System fails in flight, it is recommended
that speed and altitude be adjusted to less than 250 KCAS and 25,000 feet, respectively, as soon
as practicable.
CAUTION: DO NOT PULL FLIGHT POWER SHUTOFF HANDLE WITH SPEED BRAKES
EXTENDED AS ASYMMETRIC SPOILER BLOWDOWN MAY CAUSE
AIRPLANE ROLL. SHOULD THE FLIGHT POWER SHUTOFF HANDLE
INADVERTENTLY BE PULLED WITH SPEED BRAKES EXTENDED,
IMMEDIATELY MOVE SPEED BRAKE HANDLE TO FULL RETRACTED
POSITION.
NOTE: During approach to landing, the red GROUND SPOILER message light may illuminate
during flap extension. This is due to "spoiler-float" and is considered normal.
GULFSTREAM AEROSPACE
GIV AIRPLANE FLIGHT MANUAL
SECTION 4
EMERGENCY
PROCEDURES
FAA APPROVED 4-39
11 October 2002
If turbulence is encountered, slow but damped Dutch Roll motion can be anticipated. Pilot
control inputs can also induce this motion, and smooth control force application is recommended.
For landing in manual mode, the control forces will be high and control authority limited. It is
recommended that a long runway into the wind be utilized. A wide pattern, power-on with 20°
flaps is recommended. Landings with 39° flaps have not been demonstrated and are not
recommended. After touchdown, if hydraulic pressure is available, maintain directional control
with brakes and nose wheel steering.
For the following situations, disengage autopilot and autothrottle, then take appropriate action as
noted below. Ensure that speed brakes retract. Select Yaw Damper OFF before selecting manual
operation. This ensures that electric pitch trim will be available while in manual reversion.
4-15-20: Flight Control Runaway To Hardover Poisiton:
1. Rudder Control (Yaw) ......................................................PULL Flight Power Shutoff Handle
2. Aileron Control (Roll), Check GND SPOILER message; if extinguished, Flight Power
Shutoff Handle................................................................................................................. PULL
3. Elevator Control (Pitch)..........................VERIFY that runaway Electric Trim or Stall Barrier
is not the problem, then Flight Power Shutoff Handle ................................................... PULL
4-15-30: Immovable Flight Controls:
1. Rudder Control (Yaw) ..........................................DO NOT Pull Flight Power Shutoff Handle
unless coupled with single engine emergency.
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湾4飞机飞行手册AFM Gulfstream IV AIRPLANE FLIGHT MANUAL 1(101)
