Who is this questionnaire relevant to?
This questionnaire is relevant to shore-based personnel such as Fleet Managers, Vessel Managers and Technical Superintendents.
What does regulation 14 of MARPOL Annex VI say?
From 1 January 2020, the sulphur content of any fuel oil used on board ships shall not exceed 0.50% m/m. And while ships are operating within a Sulphur Emission Control Area (SECA), the sulphur content of fuel oil used on board shall not exceed 0.10% m/m. (The limit within SECA’s has been in force since 1 January 2015)
Furthermore, from 1 March 2020 the carriage ban enters into force meaning that, the sulphur content of fuel oil used or carried for use on board a ship shall not exceed 0.50% m/m.
What is VLSFO and ULSFO?
VLSFO stands for Very Low Sulphur Fuel Oil either of distillate properties or of residual properties with a sulphur content not exceeding 0.50% m/m.
ULSFO stands for Ultra Low Sulphur Fuel Oil either of distillate properties or of residual properties with a sulphur content not exceeding 0.10% m/m.
What are fuel oil quality issues?
“Fuel quality issues” are the problematic properties of fuel oil that may lead to, among others, increased sludge discharge, clogging of fuel pipes, clogging of preheaters, clogging of fuel separators, clogging of fuel filters, fuel pumps getting stuck, problems with fuel injection, poor ignition of fuel oil, incomplete combustion, wax appearance, increased wear and tear of cylinder liners, that may, in worst cases, result in loss of propulsion and/or black out.