Harrisburg International Airport and Tucson International Airport, are which classification of airports?
Harrisburg International Airport Harrisburg International Airport (IATA: MDT, ICAO: KMDT, FAA LID: MDT) is a public airport in Lower Swatara Township, Pennsylvania, nine miles (15 km) southeast of Harrisburg. It is owned by the Susquehanna Area Regional Airport Authority.
Monterrey International Airport Monterrey International Airport, (Spanish: "Aeropuerto Internacional de Monterrey" ); ceremonial name General Mariano Escobedo International Airport (IATA: MTY, ICAO: MMMY) , is an international airport located in Apodaca, Nuevo León, Mexico. Together with Del Norte International Airport, the airport handles domestic and international operations for the city of Monterrey and its metropolitan area.