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Brown County Airport is a small public-use general aviation field a mile north of Georgetown, Ohio, in Brown County, offering a single lit hard-surfaced runway and simple, uncontrolled operations typical of rural Ohio airfields. It sees light traffic dominated by general aviation, making it a straightforward stop for VFR pilots exploring southwestern Ohio.
Brown County Airport (KGEO), also known by its FAA identifier GEO, is a publicly owned general aviation airfield serving Georgetown, Ohio, and the surrounding Brown County area. It is a modest facility with a single runway, no control tower, and no scheduled airline service, making it a quiet, uncomplicated destination for visiting light aircraft. The airport is owned by the Brown County Commissioners and supports mostly single-engine piston traffic based and operating from the field.
The airport lies within uncontrolled airspace roughly one mile north of the town of Georgetown, in Brown County, Ohio, under the jurisdiction of Indianapolis Center for en route control. It sits within the Cincinnati sectional chart area and falls under the Indianapolis Air Route Traffic Control Center (ARTCC), with Dayton Flight Service Station providing NOTAM and flight-following support in the region. There is no control tower on the field, so all arriving and departing traffic must self-coordinate using the common frequency.
The airport has a single physical runway, 18/36, measuring 3,506 feet in length with a hard (asphalt) surface, and it is equipped with runway lighting for operations in low-light conditions. Both runway ends are lit but there is no ILS or other precision instrument approach aid installed at the field, so operations are conducted visually or under non-precision procedures.
Pilots should use the common traffic advisory frequency (CTAF) of 122.9 MHz for self-announcing intentions in the airport traffic pattern, as there is no tower or dedicated air-ground station. Indianapolis Center can be reached on 135.575 MHz for en route or transition services. The airport has no on-field navigation aids of its own, though numerous NDBs and VORs in the surrounding region, such as the Cincinnati VORTAC and the West Union NDB, can assist with navigation in the vicinity. There is no ILS approach published for the field.
As an uncontrolled airfield, traffic pattern entry and departure are managed by pilots using standard left-hand traffic patterns for both runway 18 and runway 36. Pilots should make position reports on the CTAF (122.9 MHz) when approaching, joining the pattern, and departing, in accordance with standard uncontrolled-field procedures, given the absence of a tower or segmented circle at the airport.
The airport is located about one nautical mile northeast of the town of Georgetown, Ohio, which serves as the primary visual landmark for pilots approaching from the south. There is no segmented circle to assist with pattern identification, so pilots should rely on the runway lighting and the surrounding rural terrain, along with the town of Georgetown itself, to orient themselves when joining the pattern.
Brown County Airport was constructed on 40 acres of land purchased from local businessman Forrest Wahl. Construction was temporarily halted in early November 1968 due to poor soil conditions before resuming, and the airport was formally dedicated on 19 October 1969, with state and U.S. officials taking part in the ceremony. The field has seen a small number of aviation incidents over the years, including the destruction of a Piper Warrior by fire during maintenance on 25 October 1989, and a fatal gyrocopter crash near the airport on 12 June 1994.
Today the airport covers 42 acres and operates as a general aviation field with a fixed-base operator providing fuel and limited amenities, including 100LL avgas. In the year ending June 2023 the airport recorded about 8,030 aircraft operations, averaging roughly 22 per day, with the vast majority being general aviation traffic, a small proportion of air taxi operations, and a minimal military presence; nine single-engine aircraft were based at the field. There is no control tower, and pilots should be aware that prior permission may be required for certain operations at this quiet rural airfield.
