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Shift rate 4

Asked by: 5697 views , , ,
Airspace, Flight Instructor

Sometimes we have shift rate 4 in a flight plan which is relalted to wind shear. The number "4" following shift rate is related to wind shear.

A) Does the number 4 represent the serverity/strength/power of the wind shear ?

B) or Does it mean the probrabilities of  wind shear?

Thanks in advance

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1 Answers



  1. Brian on Nov 06, 2010

    Well I have yet to locate an answer to your question, I did stumble upon a nice article by Airbus on wind shear that might be of interetst to someone reading this. Click the link below:
    Wind Shear Avoidance

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