737 Flight Crew Operations Manual
Performance Inflight
Text
737-800WSFP1/CFM56-7B26
FAA
Category C/N Brakes
Boeing Proprietary. Copyright © Boeing. May be subject to export restrictions under EAR. See title page for details.
PI.17.2 D6-27370-866-EGP
V1(MCG)
Regulations prohibit scheduling takeoff with a V1 less than minimum V1
for control on the ground, V1(MCG). It is therefore necessary to compare
the adjusted V1 to V1(MCG). The V1(MCG) presented in this manual is
conservative for all weight and bleed configurations.
To find V1(MCG) enter the V1(MCG) table with the airport pressure
altitude and actual OAT. If the adjusted V1 is less than V1(MCG), set V1
equal to V1(MCG). If the adjusted VR is less than V1(MCG), set VR equal
to V1(MCG), and determine a new V2 by adding the difference between
the normal VR and V1(MCG) to the normal V2. No takeoff weight
adjustment is necessary provided that the actual field length exceeds the
minimum field length shown in the Field and Climb Limit Weight table in
chapter Performance Dispatch.
Clearway and Stopway V1 Adjustments
Maximum allowable clearway limits are provided for guidance when more
precise data is not available. Use of clearway is not allowed on wet
runways.
Takeoff speed adjustments are to be applied to V1 speed when using
takeoff weights based on the use of clearway and stopway.
Adjust V1 speed by the amount shown in the table. The adjusted V1 speed
must not exceed VR. If the adjusted V1 speed is greater than VR, reduce
V1 to equal VR.
Stab Trim
To find takeoff stabilizer trim setting, enter Stab Trim Setting table with
anticipated brake release weight and center of gravity (C.G. % MAC) and
read required stabilizer trim units.
VREF
This table contains flaps 40, 30 and 15 reference speeds for a given weight.
With autothrottles disengaged an approach speed wind correction (max 20
knots) of 1/2 steady headwind component + gust increment above steady
wind is recommended. Do not apply a wind correction for tailwinds. The
maximum command speed should not exceed landing flap placard speed
minus 5 knots.
September 15, 2016
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