Maritime English
Maneuvering

What is Sternway Speed Alarm?

Sternway Speed Alarm An alarm triggered when a vessel's sternway (reverse movement) exceeds a preset speed threshold, alerting crew to possible navigational hazards during astern operations.

Source: IMO SMCP, STCW Convention, SOLAS, COLREG

How is “Sternway Speed Alarm” Used in Practice?

Sternway speed alarm has sounded. Reduce astern propulsion to prevent excessive reverse movement during berthing.

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 Sternway Speed Alarm?

An alarm triggered when a vessel's sternway (reverse movement) exceeds a preset speed threshold, alerting crew to possible navigational hazards during astern operations.

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