Complex sentence: In the United States, a visual approach is an approach flown while on an instrument flight rules (IFR) flight plan which allows a pilot to proceed visually to the airport as long as the aircraft remains clear of clouds.
Split into simpler sentences: In the United States, a visual approach is an approach flown while on an instrument flight rules (IFR) flight plan. It allows a pilot to proceed visually to the airport as long as the aircraft remains clear of clouds.