Greenville Mid-Delta Airport , operating as Mid Delta Regional Airport until 2011, is a public use airport in unincorporated Washington County, Mississippi, United States. It is located five nautical miles (6 mi, 9 km) northeast of the central business district of Greenville, the city that owns the airport. It is served by one commercial airline, Contour Airlines, which is subsidized by the Essential Air Service program. Formerly, the facility was known as Greenville Air Force Base. As per the Federal Aviation Administration, this airport had 6,310 passenger boardings (enplanements) in calendar year 2008, 6,290 in 2009, 6,609 in 2010, 7,417 in 2011, and 5,181 in 2012. The National Plan of Integrated Airport Systems for 2011–2015 categorized it as a non-primary commercial service airport. Facilities and aircraft Mid-Delta Regional Airport is the only commercial airport located in the Mississippi Delta. Located approximately north of central Greenville, MDRA is situated on of land, with a sizable portion in the Mid-Delta Empowerment Zone. A controlled airfield, MDRA has a control tower which is staffed from 7:00 a.m. to 7:00 p.m., seven days a week. The facility has two runways, the primary being 18L/36R which is composed of an asphalt surface wide by long. Runway 18L/36R is a precision approach runway with an Instrument landing System (ILS), medium approach lighting system with rails, (MALSR) approach lights and High Intensity Runway Lights (HIRLs). A parallel runway, 18R/36L, has an asphalt and concrete surface with a width of and length of . Runway 18R/36L is a non-precision runway with Medium Intensity Runway Lights, (MIRL). The runways are connected by six taxiways. Ramp space is abundant, with of concrete ramp area. For the 12-month period ending December 31, 2009, the airport had 37,295 aircraft operations, an average of 102 per day: 47% military, 30% air taxi, 23% general aviation, and <1% scheduled commercial. At that time there were 17 aircraft based at this airport: 88% single-engine and 12% jet. History Historically, Greenville had scheduled passenger service provided by Southern Airways commencing during the early 1950s from the former Greenville Municipal Airport (Mississippi) operated with Douglas DC-3 prop aircraft flying daily round trip routings of Memphis - Greenville - Vicksburg - Jackson, MS - Natchez - Baton Rouge - New Orleans and Memphis - Greenville - Vicksburg - Jackson, MS - Laurel - Hattiesburg - Mobile. Southern subsequently moved its service to Mid Delta Regional and in 1968