weather servicesFAA-published question bank (Private Pilot, 2008)
When the term 'light and variable' is used in reference to a Winds Aloft Forecast, the coded group and windspeed is
A
0000 and less than 7 knots.
B
9900 and less than 5 knots.✓ Correct Answer
C
9999 and less than 10 knots.
Explanation
In the winds and temperatures aloft forecast (FB), a direction/speed group of 9900 means light and variable, with wind speed less than 5 knots. 0000 and 9999 are not the coded forms used for light and variable winds.
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