FAA AMT (Aviation Maintenance Technician) Airframe Practice Exam

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What is the approximate drag load on an antenna with a frontal area of .125 square feet installed on an aircraft with a speed of 225 MPH?

2.069 pounds
3.387 pounds
1.5 pounds
4.0 pounds

The correct answer is: 2.069 pounds

The drag load on an object can be calculated using the equation: Drag Force = 0.00256 x Velocity^2 x Frontal Area. Given that the frontal area of the antenna is 0.125 square feet, and the speed of the aircraft is 225 MPH, we can substitute these values into the equation. Drag Force = 0.00256 x 225^2 x 0.125 = 2.069 pounds. Therefore, the approximate drag load on the antenna would be 2.069 pounds, which corresponds to option A.