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Calculate separation between groups
Calculate the wing loading of a canopy
Calculate and learn more about your
Downsizing. Theory and a calculator.
Calculate the due date for a reserve repack
AXIS' articles — incl. Foundations of Flight
FS, VFS, MFS, XF, Dynamic, and CF seq.
Visualize your team performance.
A huge repository of skydiving articles, manuals, references and videos.
A system of measurement units commonly used in the United States.
The International System of Units (SI, abbreviated from the French Système international (d'unités)) is the modern form of the metric system, and is the most widely used system of measurement.