737 Operations Manual
Non-Normal Maneuvers -
Non-Normal Maneuvers
Copyright © The Boeing Company. See title page for details.
NNM.1.8 D6-27370-400E-TBCE
Windshear
The following is immediately accomplished by recall if windshear conditions are
encountered. The following conditions are indications of windshear encounters:
• activation of the “WINDSHEAR” warning
• inadvertent windshear encounter or other situation resulting in
unacceptable flight path deviations
Note: In general, unacceptable flight path deviations are recognized as
uncontrolled changes from normal steady state flight conditions below
1000 feet AGL, in excess of any of the following:
• 15 knots indicated airspeed
• 500 fpm vertical speed
• 5° pitch attitude
• 1 dot displacement from the glideslope
• unusual thrust lever position for a significant period of time.
Pilot Flying Pilot Not Flying
MANUAL FLIGHT
• Disconnect autopilot
• Press either TO/GA switch
• Aggressively apply maximum*
thrust
• Disconnect autothrottle
• Simultaneously roll wings
level and rotate toward an
initial pitch attitude of 15 °
• Retract speedbrakes
• Follow flight director TO/GA
guidance (if available).
AUTOMATIC FLIGHT
• Press either TO/GA switch**
• Verify TO/GA mode
annunciation
• Verify thrust advances to GA
power
• Retract speedbrakes
• Monitor system
performance***.
• Assure maximum* thrust
• Verify all required actions have
been completed and call out
any omissions.
December 1, 2000
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