Class 4 (4th Engineer) MEKM 📅 Jul 2023

Exam Question

(a) Describe procedure of changeover of high sulphur fuel from high seas to 0.1% sulphur in ECA zone (8)

(b) How time for change over is determined such that vessel enters ECA zone with 0.1% of sulphur (4)

Reference Answer

### (a) Procedure for Changeover from High Sulphur to Low Sulphur Fuel
The changeover from High Sulphur Fuel Oil (HSFO) to a compliant fuel (e.g., VLSFO/MGO with ≤ 0.10% Sulphur) before entering an Emission Control Area (ECA) is a critical operation governed by MARPOL Annex VI, Regulation 14. The procedure must be detailed in the ship-specific Fuel Oil Changeover Plan and executed meticulously to ensure compliance, equipment safety, and vessel safety.
**1. Preparation Phase:**
* **Planning & Communication:** Ascertain the exact time and position of ECA entry from the Bridge team. The entire procedure must be completed before the vessel crosses the ECA boundary.

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