Mount Sterling-Montgomery County Airport is a public use airport located two nautical miles (4 km) west of the central business district of Mount Sterling, a city in Montgomery County, Kentucky, United States. It is owned by the city of Mount Sterling and Montgomery County.Although most U.S. airports use the same three-letter location identifier for the FAA and IATA, this airport is assigned IOB by the FAA but has no designation from the IATA.Facilities and aircraftMount Sterling-Montgomery County Airport covers an area of 53acre at an elevation of 1,019 feet (311 m) above mean sea level. It has one asphalt paved runway designated 3/21 which measures 5,002 by 75 feet (1,525 x 23 m).For the 12-month period ending August 7, 2007, the airport had 31,505 aircraft operations, an average of 86 per day: 85% general aviation, 12% air taxi and 2% military. At that time there were 70 aircraft based at this airport: 79% single-engine, 19% multi-engine, 1% jet and 1% helicopter.