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long range math

  1. R

    How to find the ISA Temp of a Given Altitude

    I am trying to learn about Density Altitude and in doing so I’ve confused myself. I understand DA= Pressure Altitude +[120x(OAT TEMP-ISA TEMP)] If there’s an easier/friendlier equation I would appreciate it! Anyways For example Using a PA (Pressure Alt) of 2150 The only ISA temp rule of thumb...
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