Middletown Regional Airport, also known as Hook Field, is a city-owned public-use airport located two nautical miles (3.7 km) north of the central business district of Middletown, a city in Butler County, Ohio, United States. The airport was renamed in October 2008; it was previously known as Hook Field Municipal Airport.
In late August 2008 the airport gained some national prominence when the Republican vice presidential nominee Sarah Palin flew into Hook to later attend a Dayton campaign rally where she was announced as Senator John McCain's running mate.
The airport is home to the Ohio Challenge Hot Air Balloon Festival, an annual event for over 20 years. There is also a nonprofit museum at the airport hosted by Butler County Warbirds, Inc.
The airport was formed in 1925 when local businessmen formed Middletown Airport Park from a number of farms they had purchased. The following year, plans were made to acquire an additional 130 adjacent building lots for use as a civic park.
Aeronca moved to the airport in 1939âÂÂ1940 from Lunken Airport after the company's factory at the latter was damaged by a flood.
A fishing pond nearby was closed in 1946 to make room for a runway extension. The extension was planned to allow aircraft from Superior Airlines of Youngstown and a corporate aircraft of American Rolling Mill Company to land at the airport.
The airport was renamed Hook Field in May 1949 after Armco chairman Charles R. Hook.
Lighting to enable night landings at the airport was installed in 1952.
A paved runway was added in 1961.
The airport was hit by a tornado in April 1980, damaging a number of aircraft.
It was again renamed Middletown Regional Airport in 2008.
By June 2025, construction on a aviation technical high school for Butler Tech was underway at the airport.
Middletown Regional Airport covers an area of at an elevation of 650 feet (198 m) above mean sea level. It has two runways: 5/23 is 6,100 by 100 feet (1,859 x 30 m) with an asphalt pavement; 8/26 is 3,040 by 297 feet (927 x 91 m) with a turf surface. It has the longest runway of any non-towered airport in southwest Ohio.
The airport is home to facilities managed by Butler Tech, which provides technical training for adults in the area. The school boasts a 25,000-square-foot facility that includes a 10,000-square-foot hangar.
The airport has a fixed-base operator that offers fuel; services such as general maintenance, catering, hangars, and courtesy cars; and amenities such as conference rooms, a crew lounge, snooze rooms, showers, and more.
For the 12-month period ending October 12, 2022, the airport had 40,150 aircraft operations, an average of 110 per day: 91% general aviation, 9% air taxi, and <% military. At that time there were 81 aircraft based at this airport: 77 single-engine and 2 multi-engine airplanes as well as 2 helicopters.