FAA Questions/Flight Instructor/Question #90
performanceFAA-published sample question (FIA, Aug 2021)

(Refer to FAA-CT-8080-5H, Figure 30.) What is the crosswind component for a landing on Runway 18 if the tower reports the wind as 220° at 25 knots?

FAA Figure 30Wind component chartFAA-CT-8080-5H · Flight & Ground Instructor supplement
How to read it: Follow the arc for the wind speed to the radial for the angle between wind and runway; read headwind on the left and crosswind on the bottom.
A

16 knots.✓ Correct Answer

B

19 knots.

C

22 knots.

Explanation

The wind from 220 degrees is 40 degrees off runway 18 (180 degrees). The crosswind component is 25 x sin 40 = 25 x 0.64 = about 16 knots, which the crosswind component chart also gives for a 40-degree angle and 25 knots. 19 and 22 knots would be the headwind component (25 x cos 40 = 19) and a larger angle.

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