737 Flight Crew Operations Manual
Supplementary Procedures -
Adverse Weather
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SP.16.28 D6-27370-866-EGP
• Know the all–engine initial climb pitch attitude. Rotate at the normal
rate to this attitude for all non–engine failure takeoffs. Minimize
reductions from the initial climb pitch attitude until terrain and
obstruction clearance is assured, unless stick shaker activates
• Crew coordination and awareness are very important. Develop an
awareness of normal values of airspeed, attitude, vertical speed, and
airspeed buildup. Closely monitor vertical flight path instruments
such as vertical speed and altimeters. The pilot monitoring should be
especially aware of vertical flight path instruments and call out any
deviations from normal
• Should airspeed fall below the trim airspeed, unusual control column
forces may be required to maintain the desired pitch attitude. If stick
shaker is encountered, reduce pitch attitude. Do not exceed the Pitch
Limit Indication.
Approach and Landing
• Use flaps 30 for landing
• Establish a stabilized approach no lower than 1000 feet above the
airport to improve windshear recognition capability
• Use the most suitable runway that avoids the areas of suspected
windshear and is compatible with crosswind or tailwind limitations.
Use ILS G/S, VNAV path or VASI/PAPI indications to detect flight
path deviations and help with timely detection of windshear
• If the autothrottle is disengaged, or is planned to be disengaged prior
to landing, add an appropriate airspeed correction (correction applied
in the same manner as gust), up to a maximum of 20 knots
• Avoid large thrust reductions or trim changes in response to sudden
airspeed increases as these may be followed by airspeed decreases
• Crosscheck flight director commands using vertical flight path
instruments
• Crew coordination and awareness are very important, particularly at
night or in marginal weather conditions. Closely monitor the vertical
flight path instruments such as vertical speed, altimeters, and
glideslope displacement. The pilot monitoring should call out any
deviations from normal. Use of the autopilot and autothrottle for the
approach may provide more monitoring and recognition time.
Recovery
Accomplish the Windshear Escape Maneuver found in the Non–Normal
Maneuvers section of the QRH.
September 15, 2016
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