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General Santos International Airport (RPMR/GES) is a large public airport serving the Soccsksargen region on Mindanao, built to replace the smaller Buayan Airport in 1996. It offers a single long runway with an ILS on one end, making it a straightforward destination for airline and general aviation traffic flying into southern Mindanao.
General Santos International Airport, also known as Tambler Airport or General Santos City Airport, serves the city of General Santos and the wider Soccsksargen area (Region XII) on the island of Mindanao. It is operated by the Civil Aviation Authority of the Philippines (CAAP) and is officially classified as an international airport, despite functioning mainly as an alternate international gateway. For a simulator pilot, it is notable as a long single-runway field with a substantial ILS-equipped approach, set on high ground on the outskirts of a major fishing and tuna-export city.
The airport sits in the barangays of Fatima and Tambler, General Santos, on a large plot of high-altitude former pasture land roughly 14 kilometres from the city's central business district.
The airport has a single physical runway, 17/35, oriented north-south. It is 10,571 to 10,406 feet long (reported fractionally differently for each direction) with a hard surface and runway lighting. Runway 17 is equipped with an ILS.
Radio services include an approach frequency (APP) on 119.1 MHz, a radio/ADF or company frequency (RDO) on 680.25 MHz, and a tower (TWR) frequency of 118.4 MHz. Runway 17 is served by an ILS approach.
The airport was inaugurated on 6 July 1996, opening in time to handle the influx of visitors and athletes for the 42nd Palarong Pambansa (National Games) held in the South Cotabato, Sarangani and General Santos area that year. It was built mainly with funding from the United States Government, through the United States Agency for International Development (USAID), amounting to US$47.6 million, with the Philippine Department of Transportation and Communication co-financing 25 percent of the project cost. The new field replaced the older, smaller Buayan Airport in Barangay Buayan, which was subsequently converted into a Philippine Air Force installation and renamed Rajah Buayan Air Base; General Santos International Airport nonetheless retained the old IATA code GES inherited from Buayan Airport. Its construction was rumoured at the time to be connected to a US military forward strategy in Southeast Asia following the American withdrawal from Subic Naval Base and Clark Air Base in 1992, an allegation denied by both governments. On opening, it became the largest airport facility on Mindanao. Philippine Airlines initially flew Boeing 737-300 aircraft on special direct services to Manila to support the Palarong Pambansa, previously impossible because the old Buayan Airport could not accommodate wide-body or long-range aircraft; travellers previously had to connect via Cebu or make a lengthy overland journey to Davao City. Philippine Airlines then introduced thrice-weekly direct Manila flights using Airbus A300B4 aircraft, increasing to five times weekly by November 1996 and to a daily service by December 1997, alongside existing Fokker 50 services to Iloilo and Cebu. Financial difficulties in the late 1990s forced Philippine Airlines to suspend its Iloilo and Cebu routes from General Santos in 1998, leaving only the daily Manila service.
The airport continues to operate as the principal air gateway for General Santos and the Soccsksargen region, handling scheduled passenger and cargo traffic reflective of the city's tuna export industry.
