VFR

Visual Flight Rules. Esp, Flying an Aircraft by Visual Flight Rules. Flight in this manner uses visible ground features and landmarks as a navigational reference, and visual scanning to avoid any colisions. Most VFR flight should be conducted OCTA (outside controlled airspace) or with a Flight Notification by an Air Trafic Controll centre. Minimum visibilitys must be adheared to and special requirements for ceartain airspace be met. Also used to discribe weather as being suitable for flight by visual references.