737 Flight Crew Operations Manual
Maneuvers -
Non-Normal Maneuvers
Boeing Proprietary. Copyright © Boeing. May be subject to export restrictions under EAR. See title page for details.
MAN.1.10 D6-27370-4Q8-SJA
WARNING: * Excessive use of pitch trim or rudder can aggravate
an upset, result in loss of control, or result in high
structural loads.
Windshear
Windshear encountered during takeoff roll:
• If windshear is encountered before V1, there may not be sufficient
runway remaining to stop if an RTO is initiated at V1. At VR,
rotate at a normal rate toward a 15 degree pitch attitude. Once
airborne, perform the Windshear Escape Maneuver.
• If windshear is encountered near the normal rotation speed and
airspeed suddenly decreases, there may not be sufficient runway
left to accelerate back to normal takeoff speed. If there is
insufficient runway left to stop, initiate a normal rotation at least
2,000 feet before the end of the runway, even if airspeed is low.
Higher than normal attitudes may be needed to lift off in the
remaining runway. Ensure maximum thrust is set.
Windshear encountered in flight:
• perform the Windshear Escape Maneuver.
Note: The following are indications the airplane is in windshear:
• "WINDSHEAR" warning or
• unacceptable flight path deviations.
Note: 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.
June 15, 2019
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