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DOWN (39°).
(4) When stick shaker is encountered, or as VREF is approached, reduce
pitch rate/angle of attack to intercept VREF -20 KCAS.
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(5) Do not retract flaps or landing gear until a safe climbout is assured.
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APPROACH AND LANDING CHARACTERISTICS AND PROCEDURES
06-05-10: Landing
1. Normal Landing:
(See Figure 1.)
Cross runway threshold at VREF. Retard power levers as necessary for airspeed
control, leaving power levers at idle after touchdown. Glide path should allow for a
smooth flare into the touchdown zone. At touchdown, the PF will gently lower the
nosewheels to the runway and, as necessary, deploy the thrust reversers and
apply brakes to slow the aircraft. The PNF will confirm ground spoiler deployment.
If the ground spoilers are not deployed, the PNF will state “No Ground Spoilers”
and confirm the PF extends the speed brakes. As the aircraft approaches 70
KCAS, the PF will begin to reduce reverse thrust to idle reverse by 60 KCAS.
Rudder and rudder pedal steering are the primary means for steering during
rollout. As speed decreases, the PF should transition to nosewheel steering and
the PNF should maintain wings level with the control yoke. Ensure the aircraft has
slowed to a safe taxi speed before turning off the runway.
NOTE:
When landing with the autothrottle engaged, the
autothrottle maintains airspeed during the approach.
The autothrottle should be disengaged and speed
control adjusted so as to arrive 50 feet over the
threshold at VREF.
2. Crosswind Landing:
(See Figure 2.)
Fly the airplane down final approach with runway centerline alignment maintained
with normal drift correction. Approaching the threshold, lower the upwind wing to
maintain no drift, and apply opposite rudder to maintain alignment with runway
centerline.
Or:
The “crab” (wings-level) method may be continued until just before touchdown.
Then, with wings level, apply rudder to align the airplane with the runway
centerline at the moment of touchdown.
With either technique, fly the airplane onto the runway; do not allow drift to
develop. Use rudder and pedal steering to maintain directional control. As ground
speed decreases, guard nosewheel steering and use if necessary. The PNF
should control ailerons at PF command and maintain control inputs to maintain
wings level throughout the rollout.
3. Single-Engine Landing:
Single engine landings do not deviate from normal procedures except airspeed
and that use of a single thrust reverser is permitted. If directional control becomes
difficult, cancel reverse thrust.
A. Procedure:
(See Figure 3.)
(1) Complete the Before Landing checklist.
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(2) Leave flaps at 20° until landing is assured.
(3) Maintain an approach speed of VREF for 20° Flaps +10 knots.
(4) When landing is assured, select flaps to 39° (DOWN).
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Normal Landing
Figure 1
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Crosswind Landing
Figure 2
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Single Engine Landing
Figure 3
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06-05-20: Go-Around
1. Procedure:
(See Figure 4 and Figure 5.)
A. Balked Landing:
When it becomes doubtful that a safe landing can be accomplished, apply
go-around power and simultaneously increase pitch attitude to stop the
sink rate as quickly as possible. Do not change aircraft configuration until
sink rate is arrested and the aircraft will not touch down. Contact with the
runway may be unavoidable. If the aircraft does touch down, allow the
aircraft to accelerate and continue with the go-around. Once a positive rate
of climb is achieved, set flaps to 20° and retract the landing gear. Climb out
at VREF +10 knots until a safe altitude is attained.
B. Missed Approach/Go-Around (Autopilot Engaged):
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湾流4操作手册 Gulfstream IV Operating Manual 3(132)
