🇬🇧 Magic Pipe on Ships The most dangerous illegal practice in the engine room

Bilge and OWS piping in the engine room where illegal bypass lines (magic pipe) are detected.

Magic Pipe on Ships. The most dangerous illegal practice in the engine room

Read the article in 🇬🇷Greek Language

In the engine room of a cargo ship, there is a term that every marine engineer knows: the magic pipe.

From my experience as a Chief Engineer, I can say clearly that this is not equipment or a system. It is an illegal bypass practice.

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What is a magic pipe

A magic pipe is an unauthorized piping arrangement used to:

• bypass the Oily Water Separator
• discharge oily bilge water directly overboard
• avoid proper recording

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Why it is dangerous

It violates the MARPOL Convention and leads to marine pollution.

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Real engine room experience

From my experience:

• inspectors check piping systems carefully
• hidden connections are often discovered
• consequences are severe

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Consequences

• heavy fines
• ship detention
• criminal charges

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Proper practice

A professional engineer must always:

• use OWS correctly
• monitor 15 ppm system
• keep accurate records
• 
  

Click on the photo for more.

Final thoughts

From my experience at sea, integrity in the engine room is just as important as technical knowledge.

The magic pipe is not just illegal – it is a serious breach of professional responsibility.

📌 The video is aimed at:

AEN students

Merchant Marine engineers

Friends of shipping

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Naval engineering is not just power — it is control, knowledge and proper timing.

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