Drone exam · UAS flight performance Hardware A route consistently needs more battery than last month in similar conditions. What is the best response? Select one answer A Investigate the performance change before normalising it. B Assume the battery indicator is wrong and ignore it. C Increase payload. D Fly farther to test it. Check answer Correct answer: A. Investigate the performance change before normalising it. A repeatable efficiency loss can be an early fault symptom.