Maritime English
Engineering

What is Stern Tube Seal?

Stern Tube Seal A sealing device at the exit point of the ship’s propeller shaft through the hull, preventing water ingress and oil leakage, and critical for propulsion integrity.

Source: IMO SMCP, STCW Convention, SOLAS, COLREG

How is “Stern Tube Seal” Used in Practice?

Engine room, monitor stern tube seal for signs of leakage during high RPM operations and report any abnormality immediately.

Certification Exam Relevance

STCWMarlins TestISF WatchkeeperGMDSS

Who Needs to Know This Term?

  • Deck Officers
  • Engine Officers
  • Masters

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Frequently Asked Questions

What is Stern Tube Seal?

A sealing device at the exit point of the ship’s propeller shaft through the hull, preventing water ingress and oil leakage, and critical for propulsion integrity.

Where can I learn this term for free?

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