FSX/Prepar3D Scenery--Marcos Gelabert International Airport. Albrook "Marcos A. Gelabert" International Airport (Spanish: Aeropuerto Internacional de Albrook "Marcos A. Gelabert") (IATA: PAC, ICAO: MPMG) is a public airport located 1.5 km (0.93 mi) west of the center of Panama City, in the Panama Province of Panama. The airport resides at an elevation of 30 ft (9 m) above mean sea level. The airport have one runway designated 18/36 with an asphalt surface measuring 5,906 by 98 ft (1,800 m by 30 m). By Fabian Rivas Oliva.