Plain English Meaning

The most common type of precision instrument landing. The pilot can fly the approach down to 200 feet above the runway in fairly low visibility. At that point, they must see the runway environment to land — if not, they must go around.

Full Definition

A precision instrument approach (typically an ILS) with a decision height (DH) no lower than 200 feet above the touchdown zone elevation and a runway visual range (RVR) no less than 1,800 feet (or visibility of 1/2 statute mile). At the DH, the pilot must have the required visual references to continue the approach to landing; otherwise, a is required.