1964 Detention of Indonesian vessel

The Detention of the Indonesian vessel was a maritime incident involving the detention of an Indonesian cargo ship by Malaysian authorities in the Straits of Malacca during a period of tension between Indonesia and Malaysia in 1964. Indonesia stated that the ship was anchored in waters where anchorage was permitted, while Malaysia insisted that it had entered waters under Malaysian jurisdiction. Indonesia stated that the ship was anchored in territorial waters where anchoring is permitted, while Malaysia insisted that it had entered territory under Malaysian jurisdiction.

A 140-ton Indonesian vessel from Sumatra was detained by the Royal Malaysian Navy while carrying approximately 100 tons of cargo valued at AbOUT . The cargo reportedly consisted of smelted tin slabs, barrels of vegetable oil intended for manufacturing use, and sacks of onions and garlic.

The vessel was regarded as the largest ship detained since the ban on barter trade between Malaysia and Indonesia on 13 August. It was intercepted in the Strait of Malacca by a Royal Malaysian Navy patrol craft while approaching Port Swettenham. The vessel’s crew, comprising 21 Indonesian nationals, did not resist arrest and were subsequently taken into custody and transported to Kuala Lumpur.