Balai Besar Kalibrasi Fasilitas Penerbangan (BBKFP) A government agency that provides calibration services for the air of both civilian and military airlines. The scope of services includes calibration, inspection, and testing equipment that supports air transportation as navigation tools, landing aids, radar, and communication. Air transportation support equipment requires regular inspection and calibration to ensure the proper and accurate operation of the devices. The main objective is safe flight operations that meet safety standards.