Flying Ace Exams
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Weather · 100 / 119
LLWAS (Low-Level Wind Shear Alert System) at airports detects wind shear by:
A.
Measuring vertical wind speed changes with a Doppler radar mounted on the tower
B.
Comparing wind readings from sensors distributed around the airport — differences indicate wind shear that ATC will alert pilots to
C.
Monitoring departing aircraft airspeed to detect unexpected gain or loss
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