FAA Part 107 Remote Pilot (UAG)OperationsHard
A remote pilot is preparing for a sUAS inspection flight near a large industrial facility that includes high-voltage power lines and active radio communication towers. What type of interference is most likely to affect the sUAS's flight control and navigation systems in this environment?
- AVibration interference.
- BThermal interference.
- CAcoustic interference.
- DMagnetic interference.
Show answer & explanationAnswer & explanation
Correct answer: D. Magnetic interference.
High-voltage power lines and radio communication towers are significant sources of electromagnetic fields. These fields can cause magnetic interference, which can disrupt the sUAS's compass (magnetometer) and GPS, leading to issues with navigation, position holding, and even 'flyaways'.
Why the other options are wrong
- A. Vibration interference is usually caused by unbalanced propellers or motors, not external environmental factors like power lines or radio towers.
- B. Thermal interference (heat) might affect battery life or sensor performance over time but is not the primary concern for flight control and navigation near these structures.
- C. Acoustic interference (sound) does not typically affect sUAS flight control or navigation systems.
Magnetic Interference
Disruption of a sUAS's compass and GPS by external electromagnetic fields, commonly found near power lines, metal structures, or communication towers.
- Affects compass/magnetometer
- Impacts GPS accuracy and position holding
- Caused by strong electromagnetic fields
Memory trick: Power Lines and Towers 'MESS' with the Drone's 'COMPASS'.