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What is Parallel Index Method?

Parallel Index Method A radar navigation technique in which fixed radar echoes are kept on predetermined parallel lines to verify the vessel remains on its planned track without constant position fixing.

Source: IMO SMCP, STCW Convention, SOLAS, COLREG

How is “Parallel Index Method” Used in Practice?

Instructor to trainee: Use the parallel index method on the radar to verify we stay within lateral limits while approaching the pilot boarding ground in fog.

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 Parallel Index Method?

A radar navigation technique in which fixed radar echoes are kept on predetermined parallel lines to verify the vessel remains on its planned track without constant position fixing.

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