737 Flight Crew Operations Manual
Automatic Flight -
System Description
Boeing Proprietary. Copyright © Boeing. May be subject to export restrictions under EAR. See title page for details.
D6-27370-866-EGP 4.20.23
Automatic Flight Go–Around Profile
AFS Operation in Windshear
General
The autopilot and flight director provide positive corrective action to counteract
most windshears. The autothrottle system also aids in windshear recovery by
providing quick response to any increase or decrease in speed. The commanded
levels of power may be beyond what the average pilot considers necessary but, in
fact, are required by the situation.
MCP SPD
CMD
ALT HOLDLNAV
Missed Approach
Approaching
Acceleration
Above 400 feet
Push TO/GA
altitude
• Pitch mode
engages in
ALT HOLD
Missed Approach
altitude -
• Pitch mode
engages in
ALT ACQ
• A/T engages
in MCP SPD
Height
• Retract flaps
on schedule
RA
• LNAV engages
switches
• A/T engages
in G/A
MCP SPD
CMD
ALT ACQLNAV
GA
CMD
TO/GALNAV
GA
CMD
TO/GALNAV
GA
CMD
TO/GA
LNAV
• LNAV armed
September 15, 2016
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