MD-80 Flight Manual 麦道80飞行手册 2(15)

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Verify ground spoilers are deployed.  During autoland touchdowns where the aircraft bounces after touchdown, ascertain ground spoiler status.  If the ground spoilers do not deploy, disengage the autopilot and fly the aircraft manually through the subsequent touchdown and rollout or go-around if necessary.
The autopilot will disengage automatically and the FD display will be biased from view five seconds after nose strut compression if the automatic ground rollout option is not installed.
For aircraft equipped with the optional rollout mode, the autopilot will remain engaged and steering control to the center of the localizer beam will be maintained by rudder and nosewheel steering.
At initiation of reverse thrust, the autothrottle engage lever drops to the OFF position.  The autothrottle warning lights are not illuminated when this occurs.
 The autothrottle may also be disengaged by pressing the disengage button on the throttle levers or by manual placement of the engage lever to the OFF position.  In both of the latter two cases, the autothrottle flashing red warning lights will be illuminated.
During autoland rollouts with reverse thrust greater than 1.6 EPR, the
autopilot may disengage. The autopilot should be disengaged upon the completion of ground rollout and before a turn is executed.  To avoid a sudden stop, insure that the autobrakes (if installed) are disengaged prior to 20 knots.  The autopilot may be disengaged by pressing the disengage button on either control wheel or by manually moving the engage lever to the OFF position.  As the lever moves to OFF, the red flashing autopilot disconnect warning lights come on and the aural warning sounds.  The lights and horn may be turned off by pressing the autopilot disengage button on either control wheel.
FMA Displays During Autoland Mode Approach
1.

SPD  LND  HDG  VERT 
250  ALT  SEL  SPD 

Airplane is descending on intercept heading for localizer with autoland and altitude preselect armed.
2.

SPD  LND  LOC  ALT 
165  CAP  CAP 

Localizer and altitude (preselect) capture have been initiated.  Airplane is turning
onto localizer and leveling out on approach altitude.
3.

SPD  LND  LOC  ALT 
165  TRK  HLD 

Localizer and altitude capture have been completed.  The airplane is tracking the localizer on a preselected altitude to intercept the glideslope.
4.

SPD  LND  LOC  G/S 
165  TRK  CAP 

Glideslope capture has been initiated.  The airplane is tracking the localizer while
establishing a rate of descent to coincide with the glideslope.
5.

SPD  LND  LOC  G/S 
135  TRK  TRK 

Glideslope capture has been completed. Landing flaps selected and appropriate speed selected.  Airplane is tracking localizer and glideslope.
6.

SPD  AUT  AUT  AUT 
135  G/A  LND  LND 

When both pilot’s NAV and CRS are set to the ILS frequency and runway heading,
all autoland monitors are satisfied, and the radio altitude is 1500 feet or less, the flight guidance system engages into autoland mode.
7.
SPD  AUT  ALN  AUT 
135  G/A  LND 

At approximately 150 feet (radio altitude), align mode is initiated and the transition
from a crab angle to a forward slip begins for crosswind correction.
8.
At approximately 50 feet (radio altitude), the ATS retard mode and AP flare modes
RETD  AUT G/A  ALN  FLAR 

are initiated.  The throttles are controlled to the retard schedule and the rate of descent is transitioned from glideslope to touchdown.
9.
RETD  F/D  ROL  ROL 
G/A  OUT  OUT 

At main gear wheel spin-up, rollout begins and nose lowering is initiated for nosewheel touchdown.  Flight director go-around mode is armed and available for 20 seconds.
ROL  ROL 
OUT  OUT 

If system does not have the roll out option,
the AP will disengage automatically 5 seconds after nose strut compression.  The flight director will revert to basic roll and pitch mode when the autopilot disengages.
MD-80 Sec. 4 Page 147
Flight Manual Continental Rev. 01/01/00  #28

Sec. 4 Page 148  MD-80 
Rev. 01/01/00  #28  Continental  Flight Manual 
Autoland Sheet 2 

Autoland Approach Procedures
Note:  The autopilot must be disengaged at 50 feet AGL or higher.
If autoland mode is armed but does not engage at 1500 feet AGL the flight crew should confirm that the compass headings and courses in the CRS windows are in agreement.  If the autopilot will not engage in autoland mode, the flight crew may wish to cancel autoland mode and switch the autopilot back to ILS mode for a basic autopilot coupled ILS approach.  This can be done by momentarily disengaging the autopilot and then re-engaging autopilot in ILS mode.  Switching autopilot modes in this manner is only authorized above 1,000 feet.  Once below 1,000 feet AGL the autopilot mode may not be switched.
　
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