These tools are for someone who likes to go old-school just for the fun of it. They were shown in chapter 13 for cross country flying.


PDF File, 4 Mb

2 pages. One blank Circular graph for calculating ground speed based on forecast winds aloft with another page showing an example of how to use it.

Wind Vector Diagram Extra

GIF File, 180 Kb

updated 2008 Oct 25

Another sample use of the above circular wind vector graph. Using normal paraglider speeds, it provides an illustration of determining ground speed from plotted ground track and forecast winds. Thanks to Piotr Krzywdzinski for pointing out an error. It has been fixed.

Navigation Log

PDF File, 50 Kb

A graphic form that is to be usable in flight for anyone wanting to try their hand at dead reckoning as described in Chapter 13.