The 99 meter long, 3000 dwt tanker Tirta Samutra XXI sank in the Java Sea near Jakarta, Indonesia.   The coastal tanker was overwhelmed in 5 meter waves and 35 knot winds caused by Cyclone Narelle.   The 15 crewmen on board abandoned ship into the vessel’s lifeboat.  The crew spent 18 hours before being spotted by a helicopter.  A rescue boat was dispatched and rescued the crew.   No reports of injuries.   No further details reported.