Download coordinates as: Barter Island LRRS Airport[2] (IATA: BTI, ICAO: PABA, FAA LID: BTI) is a public/military airport located near the city of Kaktovik on Barter Island, in the North Slope Borough, located 312 miles (502 km) east of Point Barrow, Alaska.

Barter Island LRRS Airport has one runway designed 7/25 with a gravel surface measuring 4,820 by 100 feet (1,469 x 30 m).

For the 12-month period ending December 31, 2005, the airport had 3,350 aircraft operations, an average of 9 per day: 75% air taxi, 24% general aviation and 1% military.

In 1998 Pacific Air Forces initiated "Operation Clean Sweep", in which abandoned Cold War stations in Alaska were remediated and the land restored to its previous state.

With the signing of the North American Air Defence Modernization agreement at the "Shamrock Summit" between Prime Minister Mulroney and President Reagan in Quebec City on 18 March 1985, the DEW Line began its eventual upgrading and transition becoming the North Warning System (NWS) of today.