Approaches

A final approach is the last leg in an aircraft's approach to landing. In aviation radio terminology, it is often abbreviated to "on final". In a standard airport landing pattern, aircraft turn from base leg to final within one to two miles of the airport. For instrument approaches, as well as approaches into a controlled airfield under VFR, often a "straight-in" final approach is used, where all the other legs are dispensed with .
An approach slope is the path that an airplane follows on its final approach to land on a