Plain English Meaning

An ILS approach that lets the pilot fly closer to the ground in worse visibility before needing to see the runway, but only if the pilot, the aircraft, and the runway are all specially approved for it.

Full Definition

A precision instrument approach using an ILS that allows landing with lower minimums than a standard (Category I) ILS approach, typically a decision height of 100 feet above the runway touchdown zone and a runway visual range of 1,200 feet. Category II approaches require specially certified aircraft equipment, a specifically authorized , and a runway and ILS facility approved for .