How does the controller use "Visual Flight Rules" to maintain safety?

The use of "Visual Flight Rules" (VFR) allows pilots to navigate and conduct operations primarily by visual reference. This means that under VFR, pilots are allowed to operate their aircraft based on what they can see outside the cockpit rather than relying solely on instruments. This approach is essential for maintaining safety, as it enables pilots to recognize and avoid obstacles, other aircraft, and adverse weather conditions visually.

Under VFR, pilots are trained to maintain situational awareness, utilizing visual cues for navigation, which can include landmarks, terrain features, and weather patterns. The effective use of these visual references not only fosters a more intuitive flying experience but also enhances safety by allowing pilots to make real-time decisions based on their observations.

The other choices focus on restrictions or mandates increasing reliance on instruments or air traffic control interventions, which are not characteristics of VFR operations. Instead, they emphasize the importance of visual navigation as a means for pilots to ensure safety during flight, especially in clear weather conditions where visual references are plentiful.