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Pilot's Handbook of Aeronautical Knowledge
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Effect of Wind

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Pilot's Handbook of Aeronautical Knowledge

Preface

Acknowledgements

Table of Contents

Chapter 1, Introduction To Flying
Chapter 2, Aircraft Structure
Chapter 3, Principles of Flight
Chapter 4, Aerodynamics of Flight
Chapter 5, Flight Controls
Chapter 6, Aircraft Systems
Chapter 7, Flight Instruments
Chapter 8, Flight Manuals and Other Documents
Chapter 9, Weight and Balance
Chapter 10, Aircraft Performance
Chapter 11, Weather Theory
Chapter 12, Aviation Weather Services
Chapter 13, Airport Operation
Chapter 14, Airspace
Chapter 15, Navigation
Chapter 16, Aeromedical Factors
Chapter 17, Aeronautical Decision Making

Appendix

Glossary

Index

Aircraft flightpath resulting from its airspeed and direction, and the wind speed and direction.
Figure 15-14. Aircraft flightpath resulting from its airspeed and direction, and the wind speed and direction.

The following method is used by many pilots to determine
compass heading: after the TC is measured, and wind
correction applied resulting in a TH, the sequence TH ±
variation (V) = magnetic heading (MH) ± deviation (D)
= compass heading (CH) is followed to arrive at compass
heading. [Figure 15-16]

By determining the amount of drift, the pilot can counteract
the effect of the wind and make the track of the aircraft
coincide with the desired course. If the mass of air is moving
across the course from the left, the aircraft drifts to the
right, and a correction must be made by heading the aircraft
sufficiently to the left to offset this drift. To state in another
way, if the wind is from the left, the correction is made by
pointing the aircraft to the left a certain number of degrees,
therefore correcting for wind drift. This is the wind correction
angle (WCA) and is expressed in terms of degrees right or
left of the true course. [Figure 15-17]

Relationship between true, magnetic, and compass headings for a particular instance.
Figure 15-16. Relationship between true, magnetic, and compass
headings for a particular instance.

Effects of wind drift on maintaining desired course.
Figure 15-15. Effects of wind drift on maintaining desired course.

 

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