Boone County Airport (IATA: HRO, ICAO: KHRO, FAA LID: HRO) is a public airport in Boone County, Arkansas. Also known as Boone County Regional Airport, it is four miles northwest of Harrison, Arkansas and serves the surrounding areas including Branson, Missouri. It is used for general aviation and sees one airline, a service subsidized by the federal government's Essential Air Service program at a cost of $2,251,207 per year. Central Airlines served Harrison starting in 1957; successor Frontier Airlines continued into the 1970s.