Grimes Field (FAA LID: I74) is a city-owned public-use airport located one nautical mile (1.85 km) north of the central business district of Urbana, a city in Champaign County, Ohio, United States.

[5] In 2017, 20 World War II era B-25 Mitchell bombers were staged at the airport to commemorate the 75th Anniversary of the Doolittle Raid.

[6] Grimes Field covers an area of 329 acres (133 ha) at an elevation of 1,068 feet (326 m) above mean sea level.

[7] The airport received $795,000 in 2021 for facility upgrades, including improving and replacing runways, taxiways, and airport-owned towers.

[9] For the 12-month period ending Sept 8, 2019, the airport had 59,130 aircraft operations, an average of 162 per day: 97% general aviation, 2% air taxi, and <1% military.