HUB AND SPOKE AIRPORT NETWORKS BASED ON FREIGHT RATIO (CASE STUDY IN KALIMANTAN ISLAND, INDONESIA)
Sultan Aji Muhammad Sulaiman International Airport, formerly named Sepinggan is the 6 busiest airport in Indonesia and the busiest airport in Kalimantan. The aim of this paper is to analysis of hub-andspoke airport networks in Kalimantan Island based on freight ratio. The freight ratio analysis for domestic flight carried out for five airports and three for international flights. Freight ratio value for domestic flights is 0.945-7.002 kg/passenger. Syamsuddin Noor Airport has the highest of freight ratio value for domestic flights and the category as a mixed passenger and freight airport. Supadio Airport as a full passenger airport. Tjilik Riwut Airport, Sultan Aji Muhammad Sulaiman Airport and Juwata Airport include in mixed passenger and freight airport category. Freight ratio value for international flight is 0.182-48.306 kg/passenger. Sultan Aji Muhammad Sulaiman has the highest of freight ratio value and the category as a freight interest airport. Supadio as a full passenger airport and Juwata include in mixed passenger and freight airport.