Kalimantan Air Service is an airline based in Kalimantan, Indonesia. It plans to operate scheduled domestic passenger services linking towns and cities on the island of Kalimantan.
The airline was established in January 2011 following an agreement between Merpati Nusantara Airlines and the four Kalimantan provincial governments. It will use Merpati's air operators certificate and some of its aircraft.
Kalimantan Air Service will use a De Havilland Canada DHC-6 Twin Otter on behalf of Merpati.