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Ship To Ship (STS) Transfer Manual

A Manual to identify the arrangements and equipment required to enable compliance with Annex I and STS guide for transfer operations.

Regulatory Reference: ICS/OCIMF STS transfer Guide, IMO MEPC 186(59), MARPOL Annex I / Reg. 40-41 & 42

Regulatory Reference


MARPOL Annex I requires that all oil tankers of 150 GT and above engaged in STS operations should be equipped with a Ship to Ship Transfer Manual. Scope of this plan is to provide guidance on how carry our STS operations. Plan is developed in line with IMO Legislation. Approval by the Administration or a Recognised Organisation (RO) on behalf of the Administration is mandatory.

Indicative Contents :

  • Pre-Arrival Planning
  • Arrival
  • Berthing
  • Cargo Transfer
  • Departure
  • List of Responsibility & Duties
  • STS Checklists
  • Record of STS Operations
  • Ship Specific Information

Info/Plans Required

  • Ship Specific Information (Questionnaire to be submitted)
  • General Arrangement
  • Capacity Plan
  • Anchor Handling and mooring arrangement plan
  • Inert Gas System (IGS) Manual
  • Vapour Recovery System or other VOC control systems drawing


  • Master will have a guidance with respect to Ship to Ship Transferring and the appropriate steps for conducting safely the operation
  • All latest legislation will be included
  • Procedures as per vessel specific arrangements
  • Detailed instructions for every step of operation and responsible personnel
  • Already approved by most Administrations and ROs

We will Ensure

  • Full compliance with national and international regulations and common marine practice
  • Real life documentation addressed to senior officers and crew onboard
  • Full integration of any client specific requirements
  • Full support provided after development in line with our Document Support Policy

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