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What is Dead Slow Astern?

Dead Slow Astern Engine telegraph order instructing propulsion at the lowest possible speed astern, used for delicate reversing or while manoeuvring in tight spaces.

Source: IMO SMCP, STCW Convention, SOLAS, COLREG

How is “Dead Slow Astern” Used in Practice?

Bridge to engine room: 'Dead slow astern.' Maintain dead slow until vessel is clear and ready to stop or go ahead.

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 Dead Slow Astern?

Engine telegraph order instructing propulsion at the lowest possible speed astern, used for delicate reversing or while manoeuvring in tight spaces.

Where can I learn this term for free?

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