What is Motion Reference Unit?
Motion Reference Unit A device that detects and reports a vessel’s six degrees of motion, used to support dynamic positioning and other navigational systems.
Source: IMO SMCP, STCW Convention, SOLAS, COLREG
How is “Motion Reference Unit” Used in Practice?
Bridge: Verify motion reference unit is calibrated and transmitting accurate roll and pitch data before initiating dynamic positioning.
Certification Exam Relevance
Who Needs to Know This Term?
- Deck Officers
- Engine Officers
- Masters
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What is Motion Reference Unit?
A device that detects and reports a vessel’s six degrees of motion, used to support dynamic positioning and other navigational systems.
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