The MV Heng Tong 77 was a Panama-registered cargo ship which became stranded near Karachi in July 2021.

[1][2][3][4][5] On 21 July 2021, the ship lost anchor and started drifting towards shallow waters near Karachi.

[1][2][3][4][5] The ship is now detained by the Government of Pakistan due to defective conditions of the hull.

The Ministry of Maritime Affairs declared Heng Tong 77 as "unseaworthy" and detained the ship.

[7][8] On 29 July 2021, the defueling of the ship was completed, resulting in removal of 118 tonnes of bunker fuel.