Mavroudis Global Transportation & Logistics

Ship to Ship Operations

A ship-to-ship (STS) transfer operation is the transfer of cargo between seagoing ships positioned alongside each other, either while stationary or underway. Cargoes typically transferred via STS methods include crude oil, liquefied gas (LPG or LNG), bulk cargo, and petroleum products.

Most of cargo operations are taking place between a ship and a land-based terminal. Nevertheless it sometime can be useful to transfer cargo from one ship to another in open sea and this is called a ship-to-ship operation. At that moment, one of them will act as the terminal where the other one will moor. The receiving ship is called the mother vessel.

Regulations

These operations are carried out in accordance with guidelines set out by the Oil Companies International Marine Forum and the International Chamber of Shipping (ICS), with the strictest adherence to safety regulations.

According to International Maritime Organization regulations vessels transferring OIL CARGO must have an approved STS operational manual that describes the procedure. These manuals should be available on board not later than first annual, intermediate or special survey after 1 January 2011. These manuals can be prepared either by the shipping company or external consultants.

We undertake to coordinate this activity on behalf of owners, charterers and managers as agents.

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