Drone exam · UAS flight performance Hardware Why is a low risk hover check useful after a major payload change? Select one answer A It can reveal abnormal power, balance, vibration or control behavior before route commitment. B It proves unlimited endurance. C It replaces all manufacturer limits. D It improves weather. Check answer Correct answer: A. It can reveal abnormal power, balance, vibration or control behavior before route commitment. A staged check exposes configuration problems while recovery is easy.