Airspace

(Refer to Figure 76.) A remote pilot will photograph farmland near the obstacle charted as 3130 (1089), south of Cedar Creek and east of highway 83. It is a guyed antenna tower. What minimum horizontal distance from the tower is recommended?

Figure 76 from the FAA Airman Knowledge Testing Supplement — Figure 76, FAA Airman Knowledge Testing Supplement (FAA-CT-8080-2H). Open full size to zoom. Not for navigation.

AAt least 1,089 feet, equal to the tower's height above ground
BAt least 500 feet
CAt least 2,000 feet

Show answer and explanation

Correct answer: C. At least 2,000 feet

Guy wires supporting skeletal structures are very hard to see and can extend about 1,500 feet horizontally from the structure. The study guide therefore advises avoiding all skeletal structures horizontally by at least 2,000 feet.

A. Incorrect. The recommended distance comes from how far guy wires can extend (about 1,500 feet), not from the tower's height; skeletal structures should be avoided horizontally by at least 2,000 feet.
B. Incorrect. Guy wires can extend about 1,500 feet from a structure, so 500 feet could put the aircraft among the wires.
C. Correct. Guy wires can extend about 1,500 feet horizontally, so skeletal structures should be avoided horizontally by at least 2,000 feet.

Marked on Figure 76: Obstacle 3130 (1089).

Source

FAA-G-8082-22 Remote Pilot – sUAS Study Guide, Chapter 11, Antenna Towers These wires can extend about 1,500 feet horizontally from a structure; therefore, all skeletal structures should be avoided horizontally by at least 2,000 feet.

A practice question written from official FAA publications, not a question from the FAA knowledge test.

(Refer to Figure 76.) A remote pilot will photograph farmland near the obstacle charted as 3130 (1089), south of Cedar Creek and east of highway 83. It is a guyed antenna tower. What minimum horizontal distance from the tower is recommended?

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