Ground Speed

Not Reviewed
Equation / Last modified by KurtHeckman on 2018/08/13 12:25
KurtHeckman.Ground Speed

The Aircraft Ground Speed calculator computes the ground speed based on the wind speed (WS), GroundSpeed-illustration.pngFlight parametersa wind direction (`beta`), a Flight Heading (`alpha`) and an Air Speed (AS).

INSTRUCTIONS: Choose units and enter the following:

  • (WS) The wind speed.
  • (β) The azimuth of the wind direction
  • (α) The flight heading
  • (AS) The air speed.

Ground Speed (GS): The calculator returns the ground speed in miles per hour.  However, this can be automatically converted to other velocity units (e.g. kilometers per hour) via the pull-down menu.

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The Math / Science

The Aircraft Ground Speed is computed using vector arithmetic.