In aviation, what does a VFR flight plan allow a pilot to do?

A VFR flight plan allows a pilot to operate under visual flight rules (VFR), which means they can navigate and fly primarily by visual references outside the aircraft, rather than relying solely on instruments. This is particularly advantageous during good weather conditions, where visibility is clear, and pilots can easily observe terrain, other aircraft, and navigational aids.

Flying under VFR implies that pilots assume responsibility for their navigation and are required to maintain certain visibility and cloud clearance minimums. A VFR flight plan helps communicate a pilot's intended route to air traffic control, enhancing safety by allowing controllers to provide necessary separation and assistance.

While the other options may seem relevant, they do not accurately describe the primary purpose of a VFR flight plan. Instrument flight solely pertains to flying in less than ideal conditions using flight instruments, while minimizing navigation requirements is not specifically tied to a VFR flight plan any more than to other types of operations. Controlling airspace around busy airports involves air traffic management procedures, which are not the function of a VFR flight plan itself.