Wind Correction Angle Calculator
Wind correction angle, true heading and ground speed for a course and wind.
Aviation Navigation
Aviation Navigation
The geometry of getting from one point to another: the wind triangle, wind correction angle, and the steps between true, magnetic and compass headings. The guides explain the conventions that cause most navigation arithmetic errors.
Calculators
True Heading and Magnetic Heading Calculator
Convert between true, magnetic and compass headings with variation and deviation.
Aviation Navigation
Guides
Aviation Navigation
Common Aviation Calculation Mistakes
Unit mix-ups, true versus magnetic, wind from versus to, and airspeed used as ground speed: the common errors, with the size of each shown.
Aviation Navigation
True Heading vs Magnetic Heading
True, magnetic and compass headings differ by variation and deviation. Learn the sign convention and follow a worked conversion with example values.
Aviation Navigation
Wind Correction Angle Explained
Why an aircraft has to point into a crosswind to hold its course, how the wind triangle gives the angle, and how airspeed changes the answer.