Maritime English
Maneuvering

What is Rudder Effectiveness Loss?

Rudder Effectiveness Loss Reduction in steering response due to low water flow over rudder, cavitation, or mechanical limitation.

Source: IMO SMCP, STCW Convention, SOLAS, COLREG

How is “Rudder Effectiveness Loss” Used in Practice?

Bridge to engine, experiencing rudder effectiveness loss at dead slow; request increase in propeller wash to restore steerage, over.

Certification Exam Relevance

STCWMarlins TestISF WatchkeeperGMDSS

Who Needs to Know This Term?

  • Deck Officers
  • Engine Officers
  • Masters

Related Maritime English Terms

Rudder Angle LimiterEmergency Steering GearSteering Gear AlarmBack Up Steering

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Frequently Asked Questions

What is Rudder Effectiveness Loss?

Reduction in steering response due to low water flow over rudder, cavitation, or mechanical limitation.

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