Class 1 (Chief Engineer) Engineering Management 📅 Sep 2022

Exam Question

The HNS Convention is expected shortly to come into force. Explain the following in the respect of this convention

(a) List and give examples of substances covered under this convention

(b) Types of pollution and subsequent losses or damages which can come under this convention

(c) Why would an oil products tanker probably require to have certificates under all 3 conventions i.e. CLC, Bunker and HNS

Reference Answer

### (a) Substances Covered Under the HNS Convention
The International Convention on Liability and Compensation for Damage in Connection with the Carriage of Hazardous and Noxious Substances by Sea (HNS Convention) provides a comprehensive framework for substances that pose a threat to human health, the marine environment, and property. The substances are categorized based on existing IMO conventions and codes.
**List of Covered Substances with Examples:**
1. **Oils:** As defined in Annex I of MARPOL. This primarily covers persistent oils such as crude oil, fuel oil, heavy diesel oil, and lubricating oil when carried as cargo.

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