Aji Pangeran Tumenggung Pranoto Airport or APT Pranoto Airport, also known as Sungai Siring Airport is the airport of Samarinda that was built at Sungai Siring on Samarinda. It is one of the leading airports in Kaltim. It is the hub for Kaltim Airlines. It is the busiest airport in terms of passengers in Kaltim.