This document provides information and procedures for conducting a Ground Controlled Approach (GCA) at sample airport RKJJ – Gwangju AB. It outlines cockpit setup, communication procedures with approach control and the GCA controller, expected GCA commands, and contingencies for a GCA failure. Pilots are instructed to review approach plates for minimums, missed approach procedures, descent angle, visual aids, and runway information before initial contact with approach control for handoff to the GCA final approach controller.