Two barter trade boats sink in waters of Pulau Pisang, 10 Indonesian crewmen rescued 25 Apr 2021 / 13:33 H. Pix for representational purpose only. JOHOR BAHRU: Ten Indonesian crewmen onboard two barter trade boats had a terrifying experience when both vessels sank in the waters off Pulau Pisang, Pontian, at about 4am, yesterday. Johor Maritime director First Maritime Admiral Nurul Hizam Zakaria said the two barter trade boats, laden with coconuts, were from Sungai Guntung Port, in Indonesia, and on their way to Batu Pahat. He said the first boat, with six crew, capsized at 5.6 nautical miles of Pulau Pisang, while the second boat, with four crew sank, at 15.3 nautical miles southwest of Pulau Pisang after being hit by bad weather and heavy rain.