KLM MD-11 - Windshear Annunciations and Autothrottle Operation

MD-11 Flight Crew Operations Manual
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Automatic Flight -
Description and Operation
Auto.10.32
• Autothrottle - If TO derated, unclamp, go to max TO thrust and reclamp.
• Thrust limits - If TO derated, advance to max rated TO thrust.
ENROUTE - Radio altitude more than 1500 ft.
• Detection - Inactive.
• Guidance - Disabled if windshear encouter not in progress.
• Autothrottle - No action.
• Thrust limits - No action.
APPROACH - Radio altitude less than 1500 ft.
• Detection - Active to 50 ft. radio altitude.
• Guidance - Armed.
• Autothrottle - Speed bias for incr or decr perf windshear.
• Thrust limits - Advance to max GA thrust after windshear detection.
NOTE: WAGS guidance activated by GA activation or thrust more than
95% GA thrust rating while a detection is present.
GO-AROUND - TOGA activation
• Detection - Active.
• Guidance - Armed. Will engage upon windshear detection.
• Autothrottle - Advance to max GA thrust and clamp.
• Thrust limits - Advance to max GA thrust.
NOTE: Change to enroute if RA more than 1500 ft.
TOUCHDOWN - Landing gear touchdown
• Detection - Inactive below 50 ft. RA.
• Guidance - Disabled.
• Autothrottle - No action.
• Thrust limits - No action.
NOTE: When speed below 80 kts, WAGS resets to standby.
Windshear Annunciations and Autothrottle Operation
TAKEOFF ROLL/TAKEOFF
Aural Warning
Incr Perf - None.
Decr Perf - Tone followed by WINDSHEAR voice (3 times).
PFD Upper Left
• Incr Perf - Amber WINDSHEAR.
• Decr Perf - Red WINDSHEAR.
FMA - White WINDSHEAR in speed and altitude control windows.
October 02, 2006