Wind Shear

Wind Shear – An abrupt change in wind speed and/or direction. It can be either horizontal or vertical or both.

Weight and Balance

Weight and Balance – Commonly the calculation of actual weight and location of the center of gravity of an aircraft to determine if it complies with the limitations set forth in the operating limitations.


WCA – Wind Correction Angle – The angle between the heading of an aircraft and the course over the ground computed to correct for wind direction.


VOR – VHF OmniRange. A ground-based navigation aid transmitting very high-frequency (VHF) navigation signals 360° in azimuth, on radials oriented from MAGNETIC NORTH. The VOR periodically identifies itself by Morse Code and may have an additional voice...