Class 2 (2nd Engineer) SSEP 📅 Oct 2024

Exam Question

The HNS Convention is expected shortly to come into force. Explain the following in 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. (20)

Reference Answer

(a) The Hazardous and Noxious Substances (HNS) Convention covers a wide range of materials that can pose significant risks when carried at sea. These substances include:
Oils : As defined under the International Convention for the Prevention of Pollution from Ships (MARPOL) , particularly in Annex I .
Noxious Liquid Substances (NLS) : As per Annex II of MARPOL .
Dangerous Liquid Substances : These are listed in the International Code for the Construction and Equipment of Ships Carrying Dangerous Chemicals in Bulk .

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