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Oakland County International Airport (KPTK) is a busy general aviation reliever field in Waterford Township, Michigan, about thirty miles northwest of Detroit. Operated by Oakland County, it ranks among the busiest general-aviation airports in the United States and offers a full ATC service, three runways and an ILS approach, making it a straightforward and well-equipped destination for visiting VFR and IFR pilots alike.
Oakland County International Airport, known locally by its historic name Pontiac, lies in Waterford Township within Oakland County, Michigan, roughly thirty miles northwest of Detroit. It is a county-owned, public-use airport that functions as a designated general aviation reliever for the Detroit area, handling a high volume of business, corporate and training traffic without any scheduled passenger airline service. For a simulator pilot it offers an interesting mix of a fully staffed control tower, three runways of varying length, an ILS approach and a long and colourful history dating back to the earliest days of American civil aviation.
The airport sits under the influence of Detroit Approach/Departure control and is served by its own air traffic control tower, placing it within controlled airspace typical of a busy reliever field. It is located approximately one mile from the centre of Waterford Township and close to the city of Pontiac, within Oakland County, Michigan, and around thirty miles northwest of Detroit Metropolitan Wayne County Airport.
The airfield has three physical runways, all hard-surfaced and lit. Runway 09R/27L is the longest at 6,510 feet and is equipped with an ILS on the 09R approach. Runway 09L/27R runs parallel at 5,666 feet. The cross runway 18/36 is shorter, with the 18 threshold given as 1,933 feet and the 36 threshold as 2,583 feet. Field elevation is 971 feet.
Pontiac Tower operates on 120.5 MHz, which also serves as the CTAF. Ground control is on 121.9 MHz, clearance delivery on 118.25 MHz, and the ATIS broadcasts on 125.45 MHz. UNICOM is available on 122.95 MHz. An additional frequency of 127.5 MHz is listed for Detroit Approach/Departure, and a Lansing radio outlet is noted on 111 MHz. The field is equipped with an ILS, supporting instrument approaches to the primary runway.
With a staffed FAA control tower providing full air traffic control services, including tower advisory radar, pilots should expect standard tower-directed sequencing and pattern instructions on first contact rather than a self-announced circuit join. No specific published circuit height or noise abatement procedure is detailed in the available material, though the airport's Ground Run-up Enclosure, added in 2004, indicates an active noise-abatement programme for engine testing on the ground.
No specific published visual reporting points are noted in the available material. Pilots can use the airport's position close to Waterford Township and the city of Pontiac, and its general location some thirty miles northwest of Detroit, as broad references when planning a visual approach.
The airport traces its origins to 12 September 1928, when the City of Pontiac purchased 160 acres of land; it opened on 27 November of that year and was formally dedicated in June 1929 by the Pontiac Junior Chamber of Commerce in memory of Harry Joseph Brooks, an Oakland County aviation pioneer. It was part of the first Michigan Air Tour, held 10 to 16 June 1929. On 15 February 1930 it received the first airport rating ever issued by the U.S. Department of Commerce's Aeronautics Branch, the predecessor of the FAA, earning the highest possible grade of A-1-A. Oakland County purchased the airport from the City of Pontiac on 25 February 1967, and it was renamed Oakland County International Airport on 7 March 1996 at the suggestion of L. Brooks Patterson. Customs service began on a limited basis in January 1990 and became a full daily service in January 1996. During the years of DaimlerChrysler, from 1998 to 2007, the airport hosted a frequent corporate shuttle to Stuttgart on an Airbus A319CJ, using a jet bridge fitted to the Pentastar Aviation FBO; the same jet bridge later served sports charters connected to the nearby Palace of Auburn Hills until it was retired in the early 2020s. The airport has also been the site of several recorded aircraft accidents over the decades, including fatal general aviation crashes in 1982, 1984, 1987 and 1989.
Today Oakland County International Airport functions as a major general aviation reliever, recorded as Michigan's second-busiest airport behind Detroit Metro, with over 150,000 takeoffs and landings and more than 600 based aircraft. It is served by seven fixed-base operators offering fuel, maintenance, hangarage and other support services, and hosts new and used aircraft sales operations and flight training schools. A user-fee U.S. Customs Service operates at the field, and a Ground Run-up Enclosure, or Hush House, has been in use since 2004 to reduce the community noise impact of engine testing. The airport holds an annual open house displaying based, military and vintage aircraft, supported by Civil Air Patrol security.
