A de-bunker survey is conducted to verify the quantity and quality of fuel remaining onboard a vessel before it is de-bunkered, or offloaded. The survey is typically conducted by an independent third-party surveyor who is appointed by the vessel owner or operator to ensure that the de-bunkering process is conducted in a safe and efficient manner.

It is an important tool for ensuring that he de-bunkering process is conducted in compliance with regulatory standards and that the interests of all parties involved are protected. By conducting regular surveys and following best practices for de-bunkering, vessel owners and operators can help to prevent fuel loss and maintain the long-term sustainability of the maritime industry.

• – The importance of a de-bunker survey lies in its ability to help prevent fuel loss and ensure that the de-bunkering process is conducted in compliance with industry standards and local regulations. During the survey, the surveyor will typically:
• – Verify the quantity of fuel remaining onboard the vessel: The surveyor will measure the quantity of fuel remaining in the vessel’s fuel tanks, using industry-standard measurement techniques and equipment. This can help to ensure that the correct amount of fuel is being de-bunkered.
• – Assess the quality of the fuel remaining onboard the vessel: The surveyor will take samples of the fuel remaining onboard the vessel and conduct laboratory tests to determine its quality. This can help to ensure that the fuel meets the contractual specifications and industry standards.
• – Confirm the de-bunkering procedures: The surveyor will verify that the de-bunkering procedures being used by the supplier are consistent with industry standards and local regulations. This can help to ensure that the de-bunkering process is conducted safely and efficiently.
• – Verify the documentation: The surveyor will review all relevant documentation, including the bunker delivery note, the vessel’s logbook, and any other relevant records, to ensure that the de-bunkering process is being conducted in accordance with the contractual agreement and industry standards.

The results of the de-bunker survey can be used to verify the quantity and quality of fuel remaining onboard the vessel before it is de-bunkered. This can help to prevent fuel loss, ensure that the de-bunkering process is conducted in a safe and efficient manner, and protect the interests of all parties involved.