Why is understanding magnetic variation important for pilots?

Understanding magnetic variation is crucial for pilots as it directly affects navigation accuracy. Magnetic variation refers to the difference between true north (geographic north) and magnetic north, which varies depending on where you are on Earth. As pilots rely on magnetic compasses for navigation, any discrepancy caused by magnetic variation can lead to incorrect headings and navigation errors.

Ensuring accurate navigation and course corrections is fundamental for pilots, as even a slight inaccuracy can result in significant deviations over long distances. This understanding allows pilots to compensate for the magnetic variation in their calculations, ensuring that the aircraft stays on the intended flight path. By accounting for this variation, pilots can navigate more effectively, ultimately enhancing safety and efficiency during the flight.