Welcome to Spin-a-Wind.

Spin-a-Wind is a pilot's tool for iPhone and iPod Touch to calculate the headwind and crosswind components for a runway.  It is available for purchase on the iTunes store..

The new version is 2.0, available Feb 22, 2010, with graphical depiction of runway and relative wind, and new page for Spin-a-Temp.  See the Screen Shots page for images of the update.