The KM Marisa is a passenger ferry. She belongs to the National Indonesian Shipping Company. A series of short cruises between Jakarta (Indonesia) and Pontianak (Indonesia) took place in July - September 2012. The cruise area included Java Sea. Five hundred eighty five (585) measurement series spanning 24 days were acquired during the cruise.
Mr. Yanto and Mr. Dany Prasetyo from PILA and Co (Jakarta, Indonesia) were Principal Investigators for optical depth measurements. Mr. Deden Tri Atmaja operated a sunphotometer onboard.