Barter Island Long Range Radar Station Airport (IATA: BTI, ICAO: PABA) is a small general aviation and charter airport located on Barter Island, Alaska, near the community of Kaktovik on the Arctic coast of the North Slope Borough. The airport serves as the primary air access point for the remote island, which lies within the Arctic National Wildlife Refuge region. The facility is owned and operated by the U.S. Air Force as part of the former Long Range Radar Station network, though it also provides essential civil aviation services to the local Iñupiat community of Kaktovik. Given the island's extreme remoteness and Arctic conditions, air travel is the only practical means of transportation for residents and visitors. The airport features a gravel runway capable of accommodating small to medium regional aircraft. It plays a critical role in supplying the community with goods, supporting wildlife researchers, and enabling access for visitors to the Arctic National Wildlife Refuge and polar bear viewing opportunities in the region.