Sultan Aji Muhammad Sulaiman Airport, formerly Sepinggan Airport, is an international airport serving East Kalimantan area on the island of Kalimantan, Indonesia. The airport began its new operational phase in 1997, with new building and runway structure, replacing old structure on the same site. With numerous buildings located around the airport and its only runway jutting out into the settlement, landings at the airport are dramatic to experience and technically demanding for pilots.