Aji Pangeran Tumenggung Pranoto Airport or APT Pranoto Airport, also known as Sungai Siring Airport is the airport of Samarinda, Indonesia. It is in the Sungai Siring district of Samarinda. It is one of the leading airports in Kaltim, and it is the hub for Kaltim Airlines. It is the busiest airport in terms of passengers in Kaltim.