What is a potential issue for operators during extended radar surveillance sessions, and what mitigation is suggested?

• A. Complacency or fatigue
• B. Increased reaction time
• C. Enhanced alertness
• D. Faster decision making

Answer: (A)

Prolonged radar surveillance can wear down attention over time, leading to vigilance fatigue and complacency. When monitoring stretches become lengthy, operators may miss cues, miss detections, or react more slowly because alertness naturally declines. The best way to address this is through fatigue management: scheduled breaks, short rest periods, rotating duty shifts, and balancing workload or using automated aids to help keep the operator’s attention fresh. These measures help maintain consistent detection performance and quicker, more reliable responses. The other possibilities—faster or improved reaction—don’t fit because extended monitoring typically reduces, not enhances, alertness and speed.